Kenworth Heavy Duty Body Builder 2017 User Manual

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Kenworth Heavy Duty
Body Builder Manual
2017
®
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Kenworth Heavy Duty
2.1m Cab
Body Builder Manual
Page 4
Body Builder Manual
Contents
SECTION 1: INTRODUCTION 1-1
SECTION 2: SAFETY & COMPLIANCE 2-1
SAFETY SIGNALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
FEDERAL MOTOR VEHICLE SAFETY
STANDARDS COMPLIANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
SECTION 3: DIMENSIONS 3-1
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
ABBREVIATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
TURNING RADIUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
OVERALL DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
T680 STANDARD HOOD DAYCAB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
T680 MX (SHORT) HOOD DAYCAB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
T880 STANDARD HOOD DAYCAB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
T880S SFFA (SHORT) HOOD DAYCAB . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
T680 STANDARD HOOD 40” SLEEPER . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
T680 MX (SHORT) HOOD 40” SLEEPER . . . . . . . . . . . . . . . . . . . . . . . . . . .3-11
T880 STANDARD HOOD 40” SLEEPER . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
T880S SFFA (SHORT) HOOD 40” SLEEPER . . . . . . . . . . . . . . . . . . . . . . . . .3-13
T680 STANDARD HOOD 52” SLEEPER . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
T680 MX (SHORT) HOOD 52” SLEEPER . . . . . . . . . . . . . . . . . . . . . . . . . . .3-15
T880 STANDARD HOOD WITH 52” SLEEPER . . . . . . . . . . . . . . . . . . . . . . . .3-16
T880 MX (SHORT) HOOD WITH 52” SLEEPER . . . . . . . . . . . . . . . . . . . . . . . 3-17
T680 STANDARD HOOD WITH 76” HIGH-ROOF SLEEPER . . . . . . . . . . . . . . . . .3-18
T680 MX (SHORT) HOOD WITH 76” HIGH-ROOF SLEEPER . . . . . . . . . . . . . . . .3-19
T680 STANDARD HOOD WITH 76” MID-ROOF SLEEPER . . . . . . . . . . . . . . . . . 3-20
T680 MX (SHORT) HOOD WITH 76” MID-ROOF SLEEPER . . . . . . . . . . . . . . . . . 3-21
T880 STANDARD HOOD WITH 76” MID-ROOF SLEEPER . . . . . . . . . . . . . . . . . 3-22
T880 MX (SHORT) HOOD WITH 76” MID-ROOF SLEEPER . . . . . . . . . . . . . . . . . 3-23
RIDE HEIGHTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24
REAR SUSPENSION LAYOUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26
AG400L TANDEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-27
AG400 OR AG460 TANDEM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-28
AG460 TANDEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-29
AG690 TRIDEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-30
REYCO 79KB SINGLE REAR AXLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31
REYCO 102 TANDEM REAR AXLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-32
NEWAY ADZ 123 SINGLE REAR AXLE. . . . . . . . . . . . . . . . . . . . . . . . . . . .3-33
NEWAY ADZ 246 TANDEM SUSPENSION . . . . . . . . . . . . . . . . . . . . . . . . . . 3-34
NEWAY ADZ 369 TRIDEM SUSPENSION . . . . . . . . . . . . . . . . . . . . . . . . . . 3-35
HENDRICKSON PRIMAAX EX TANDEM SUSPENSION . . . . . . . . . . . . . . . . . . .3-36
HENDRICKSON PRIMAAX EX TRIDEM SUSPENSION . . . . . . . . . . . . . . . . . . . 3-37
HENDRICKSON UMX TANDEM SUSPENSION . . . . . . . . . . . . . . . . . . . . . . . 3-38
HENDRICKSON RT TANDEM SUSPENSION. . . . . . . . . . . . . . . . . . . . . . . . .3-39
CHALMERS 856-46 TANDEM SUSPENSION. . . . . . . . . . . . . . . . . . . . . . . . .3-40
LIFT AXLES (PUSHERS AND TAGS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-42
AXLE TRACK AND TIRE WIDTH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-45
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Body Builder Manual
Contents
SECTION 4: PTO MOUNTING & PROGRAMMING 4-1
4-1. PTO MOUNTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4-2. PTO TELLTALE: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
PTO WIRING DIAGRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
4-3. PTO CLEARANCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
4-4. T680/880 TRANSMISSION PTO APPLICATION GUIDE . . . . . . . . . . . . . . . . . 4-10
4.5 PTO CONTROLS: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
4-6. ELECTRIC OVER AIR SYSTEM INTERLOCKING . . . . . . . . . . . . . . . . . . . .4-22
4-7. PACCAR MX ENGINES - PTO PROGRAMMING: . . . . . . . . . . . . . . . . . . . . 4-25
SECTION 5: EXHAUST & AFTERTREATMENT 5-1
EXHAUST AND AFTER-TREATMENT INFORMATION . . . . . . . . . . . . . . . . . . . . 5-1
GENERAL GUIDELINES FOR DEF SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . 5-3
GENERAL EXHAUST INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
SECTION 6: FRAME LAYOUTS 6-1
FRAME LAYOUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
COMMON OPTIONAL COMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
FRAME LAYOUT INDEX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
SECTION 7: BODY MOUNTING 7-1
FRAME INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
CRITICAL CLEARANCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
BODY MOUNTING USING BRACKETS. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
MOUNTING HOLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5
BODY MOUNTING USING U–BOLTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6
SECTION 8: FRAME MODIFICATIONS 8-1
FRAME MODIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
DRILLING RAILS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
MODIFYING FRAME LENGTH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
CHANGING WHEELBASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
CROSSMEMBERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5
WELDING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
TORQUE REQUIREMENTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7
SECTION 9: ELECTRICAL 9-1
ELECTRICAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
BODY BUILDER CONNECTION POINTS . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
LIFT AXLES (PUSHERS & TAG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-19
SECTION 10: ROUTING 10-1
ROUTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
ROUTING REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
APPENDIX A: VEHICLE IDENTIFICATION 1
VEHICLE IDENTIFICATION LABELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
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Figures
FIGURE 2-1. Incomplete Vehicle Certication Document . . . . . . . . . . . . . . . . . . . 2-2
FIGURE 2-2. Locations Of Certication Labels - Driver’s Door And Frame . . . . . . . . . . 2-2
FIGURE 2-3: Aerodynamic Mirror Oat Sensor Location. . . . . . . . . . . . . . . . . . . . 2-8
FIGURE 2-4: Instrument Cluster For T680/T880 . . . . . . . . . . . . . . . . . . . . . . . 2-8
FIGURE 3-1. Prospecter Turn Circle Analysis . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
FIGURE 4-1. Medium Duty Manual Transmission Ptos . . . . . . . . . . . . . . . . . . . . 4-1
FIGURE 4-2. Heavy Duty Manual Transmission Ptos . . . . . . . . . . . . . . . . . . . . . 4-1
FIGURE 4-3. Thru-Shaft Pto. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
FIGURE 4-4. Allison 4000 Series Transmission Pto Locations . . . . . . . . . . . . . . . . 4-2
FIGURE 4-5. Allison 3000 Series Transmission Pto Locations . . . . . . . . . . . . . . . . 4-2
FIGURE 4-6. Repto Location Shown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
FIGURE 4-7. Pto Icon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
FIGURE 4-8. Pto Telltale Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
FIGURE 4-9. Relay Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
FIGURE 4-10. 2013+ Mx-11 And Mx-13 Pin-Out . . . . . . . . . . . . . . . . . . . . . . . 4-5
FIGURE 4-11. 2013+ Isx15, Isx12, Px-9 Pin-Out . . . . . . . . . . . . . . . . . . . . . . . 4-5
FIGURE 4-12. Pto Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
FIGURE 4-13. Single Acting And Dual Acting Ptos . . . . . . . . . . . . . . . . . . . . . . 4-15
FIGURE 4-14. Single-Acting Eaton Pto . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17
FIGURE 4-15. Double-Acting Eaton Pto. . . . . . . . . . . . . . . . . . . . . . . . . . . .4-17
FIGURE 4-16. Allison Transmission-Mounted Ptos . . . . . . . . . . . . . . . . . . . . . . 4-18
FIGURE 4-17. Auto Susp Dump W/ Allison Mtd Pto. . . . . . . . . . . . . . . . . . . . . .4-19
FIGURE 4-18. Eoa Reversible Pto Example. . . . . . . . . . . . . . . . . . . . . . . . . .4-20
FIGURE 4-19. Air Actuated Pto (No Interlock). . . . . . . . . . . . . . . . . . . . . . . . .4-20
FIGURE 4-20. Rear Axle Declutch Telltale. . . . . . . . . . . . . . . . . . . . . . . . . . .4-21
FIGURE 4-21. Split Shaft Pto Example #1. . . . . . . . . . . . . . . . . . . . . . . . . . .4-21
FIGURE 4-22. Pump Mode Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22
FIGURE 4-23. Sample Chassis Node And Eoa Manifold.. . . . . . . . . . . . . . . . . . .4-23
FIGURE 4-24. Wiring Diagram For Chassis Node, Cab Switches, And Eoa Manifold. . . . .4-24
FIGURE 4-25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-27
FIGURE 4-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-28
FIGURE 4-27. In-Cab Pto Control For T680/T880. . . . . . . . . . . . . . . . . . . . . . .4-29
FIGURE 4-28. In-Cab Pto Control – Esa Settings For T680/T880. . . . . . . . . . . . . . .4-30
FIGURE 4-29. Hard-Wired Remote Pto Control . . . . . . . . . . . . . . . . . . . . . . . .4-31
FIGURE 4-30. Hardwired Remote Pto Control – Esa Settings For T680/T880 . . . . . . . . 4-33
FIGURE 4-31. Remote Pto Control Over Bcan With Pto On/Off Switch Hardwired To Cecu . 4-34 FIGURE 4-32. Remote Pto Control Over Bcan With Hardwired Pto Engagement Feedback
To Engine– Esa Settings T680/T880 . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-36
FIGURE 4-33. Remote Pto Control Over Bcan With Hardwired Pto Engagement Feedback
To Engine – Esa Settings T680/T880 . . . . . . . . . . . . . . . . . . . . . . . . . . .4-37
FIGURE 4-34. Remote Pto Control Over Bcan With Pto On/Off Switch Signal Over Bcan . . 4-38 FIGURE 4-35. Remote Pto Control Over Bcan With Pto On/Off Switch Signal Over Bcan –
Esa Settings For T680/T880 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-40
FIGURE 4-36. Remote Pto Control Over Bcan With Pto On/Off Switch Signal Over Bcan –
Esa Settings For T680/T880 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-41
FIGURE 4-37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-42
FIGURE 4-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-43
FIGURE 5-1. Routing Def And Coolant Lines . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
FIGURE 5-2. Supply Module Allowed Clocking Angle Limit Scribes A 90° Inverted Cone. . . 5-6 FIGURE 5-3. Isometric View Of Right Hand Under Dpf/Scr With Single Side Of Cab Tailpipe 5-8 FIGURE 5-4. Isometric View Of Right Hand Under Dpf/Scr With Single Side Of Cab Tailpipe 5-8 FIGURE 5-5. Right View Of Right Hand Under Dpf/Scr With Single Side Of Cab Tailpipe . . 5-9 FIGURE 5-6. Back View Of Right Hand Under Dpf/Scr With Single Side Of Cab Tailpipe. . . 5-9 FIGURE 5-7. Isometric View Of Right Hand Under Dpf/Scr With Dual Side Of Cab Tailpipe . 5-10 FIGURE 5-8. Isometric View Of Right Hand Under Dpf/Scr With Dual Side Of Cab Tailpipe 5-10
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Figures
FIGURE 5-9. Right View Of Right Hand Under Dpf/Scr With Dual Side Of Cab Tailpipe . . . 5-11 FIGURE 5-10. Back View Of Right Hand Under Dpf/Scr With Dual Side Of Cab Tailpipe . . .5-11 FIGURE 5-11. Isometric View Of Right Hand Under Dpf/Scr With Single
Back Of Cab Tailpipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
FIGURE 5-12. Isometric View Of Right Hand Under Dpf/Scr With Single
Back Of Cab Tailpipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
FIGURE 5-13. Right View Of Right Hand Under Dpf/Scr With Single Back Of Cab Tailpipe . 5-13 FIGURE 5-14. Back View Of Right Hand Under Dpf/Scr With Single Back Of Cab Tailpipe . .5-13 FIGURE 5-15. Isometric View Of Right Hand Under Dpf/Scr With Ground-Dump Tailpipe . . 5-14 FIGURE 5-16. Isometric View Of Right Hand Under Dpf/Scr With Ground-Dump Tailpipe . . 5-14
FIGURE 5-17. Right View Of Right Hand Under Dpf/Scr With Ground-Dump Tailpipe . . . . 5-15
FIGURE 5-18. Back View Of Right Hand Under Dpf/Scr With Ground-Dump Tailpipe . . . . 5-15
FIGURE 5-19. Isometric View Of Independent Back Of Cab Dpf/Scr With
Back Of Cab Tailpipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16
FIGURE 5-20. Isometric View Of Independent Back Of Cab Dpf/Scr With
Back Of Cab Tailpipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16
FIGURE 5-21. Right View Of Independent Back Of Cab Dpf/Scr With Back Of Cab Tailpipe 5-17 FIGURE 5-22. Back View Of Independent Back Of Cab Dpf/Scr With Back Of Cab Tailpipe 5-17
FIGURE 5-23. Isometric View Of Horizontal Dpf/Scr With Ground-Dump Tailpipe . . . . . . 5-18
FIGURE 5-24. Isometric View Of Horizontal Dpf/Scr With Ground-Dump Tailpipe . . . . . . 5-18
FIGURE 5-25. Right View Of Horizontal Dpf/Scr With Ground-Dump Tailpipe. . . . . . . . .5-19
FIGURE 5-26. Back View Of Horizontal Dpf/Scr With Ground-Dump Tailpipe . . . . . . . . .5-19
FIGURE 5-27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-20
FIGURE 5-28. Dimension A = Top Of Rail Frame Height From Prospector – Frame Depth. . 5-21
FIGURE 6-1. Def Tank Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
FIGURE 7-1. Minimum Clearance Between Top Of Rear Tires And Body Structure Overhang. 7-2
FIGURE 7-2. Minimum Back Of Cab Clearance . . . . . . . . . . . . . . . . . . . . . . . . 7-3
FIGURE 7-3. Spacer Between Frame Sill And Body Rail - Rubber Or Plastic. . . . . . . . . 7-4
FIGURE 7-4. High Compression Spring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4
FIGURE 7-5. Rubber Spacer Between BracketsBetween The Mounting Bolt
And Upper Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4
FIGURE 7-6. Crossmember-Gusset Hole Pattern Requirements. [Inch (Mm)] . . . . . . . . 7-5
FIGURE 7-7. Acceptable U-Bolt Mounting With Wood And Fabricated Spacers [Inch (Mm)] . 7-6
FIGURE 7-8. Clearance Space For Air Lines And Cables. . . . . . . . . . . . . . . . . . . 7-7
FIGURE 7-9. Example Of Fishplate Bracket At Rear End Of Body, Used With U-Bolts . . . . 7-8
FIGURE 8-1. Detail Of Frame Extension And Joint Welding. . . . . . . . . . . . . . . . . . 8-2
FIGURE 8-2. Frame Insert . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
FIGURE 8-3. Comparison Of Original, Shortened, And Extended Wheelbases. . . . . . . . 8-4
FIGURE 8-4. Crossmember Added When Distance Exceeds 60 Inches (1524 Mm) . . . . . 8-5
FIGURE 9-1. Namux 4 System Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
FIGURE 9-2. Diagnostic Connector Comparison . . . . . . . . . . . . . . . . . . . . . . . 9-2
FIGURE 9-3. 2016+ Service Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
FIGURE 9-4. 12 Pin Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
FIGURE 9-5. Spare Circuit Connector Detail . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
FIGURE 9-6. Grounding Buss Bar Design. . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4
FIGURE 9-7. Grounding Point - Cab Interior Behind Driver’s Side Kick Panel . . . . . . . . 9-4
FIGURE 9-8. Grounding Point - Cab Exterior Lh Side Of Firewall. . . . . . . . . . . . . . . 9-4
TABLE 9-1. Wire Number General Categories . . . . . . . . . . . . . . . . . . . . . . . . 9-5
FIGURE 9-9. Spare Circuit Location Under-Dash (P096) . . . . . . . . . . . . . . . . . . . 9-6
FIGURE 9-10. Spare Circuit Location On Power Distribution Center (Dash-Side, P001) . . . 9-7
FIGURE 9-11. Spare Circuit Diagram (P001 And P096) . . . . . . . . . . . . . . . . . . . 9-8
FIGURE 9-12. Electric Engaged Equipment Connector . . . . . . . . . . . . . . . . . . . . 9-9
FIGURE 9-13. Air Solenoid Bank And Chassis Node . . . . . . . . . . . . . . . . . . . . . 9-9
FIGURE 9-14. Rear Axle Controls And Sensors Connector. . . . . . . . . . . . . . . . . .9-10
FIGURE 9-15. B-Can Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-11
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Figures
FIGURE 9-16. Chassis Harness From Cab Mount To Front Of Frame . . . . . . . . . . . . 9-11
FIGURE 9-17. Chassis Harness From Cab Mount To Boc . . . . . . . . . . . . . . . . . . 9-12
FIGURE 9-18. Connectors Near Front Cab Mount . . . . . . . . . . . . . . . . . . . . . . 9-12
FIGURE 9-19. Connector Near Boc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-13
FIGURE 9-20. Vcan Connectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-13
FIGURE 9-21. Firewall Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-13
FIGURE 9-22. Chassis Node And Electric Over Air Solenoid Bank . . . . . . . . . . . . . .9-14
FIGURE 9-23. Installing Additional Switches Onto The Chassis Side . . . . . . . . . . . . .9-15
FIGURE 9-24. Installing Additional Gauges On The Dash. . . . . . . . . . . . . . . . . . .9-16
FIGURE 9-25. Installing Sensors On The Chassis Side For Gauges . . . . . . . . . . . . . 9-17
FIGURE 9-26. Typical Installation Of Sensors Diagram . . . . . . . . . . . . . . . . . . . . 9-18
FIGURE 9-27. Spare Power Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-18
FIGURE 9-28. Truck Lift Axles (Separate Switches). . . . . . . . . . . . . . . . . . . . . .9-19
FIGURE 9-29. Truck Lift Axles (Single Switch) . . . . . . . . . . . . . . . . . . . . . . . . 9-19
FIGURE 9-30. Eoa Trailer Lift Axles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-20
FIGURE 9-31. Mx-13 Connection Location. . . . . . . . . . . . . . . . . . . . . . . . . . . 9-22
FIGURE 9-32. Mx-11 Connection Location. . . . . . . . . . . . . . . . . . . . . . . . . . . 9-22
FIGURE 9-33. Isx15 Connection Location. . . . . . . . . . . . . . . . . . . . . . . . . . .9-23
FIGURE 9-34. Isx12 Connection Location. . . . . . . . . . . . . . . . . . . . . . . . . . . 9-23
FIGURE 9-35. Mating Connector: Packard Pn 12020786 . . . . . . . . . . . . . . . . . . . 9-30
FIGURE 9-36. Junction Box Boc Or Eof . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-30
FIGURE 9-37. Dash Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-31
FIGURE 9-38. Engine Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-31
FIGURE 9-39. J1939 Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-32
FIGURE 9-40. J1939 Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-32
FIGURE 9-41. J1939 Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-33
FIGURE 9-42. Trim Panel Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-34
FIGURE 9-43. Gauge Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-34
FIGURE 9-44. Switch Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-35
FIGURE 9-45. Cluster Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-35
FIGURE 9-46. Telltale Installation Diagnostics & Service Tool Connection . . . . . . . . . . 9-36
FIGURE 10-1. Clamp And Buttery Clamp . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
FIGURE 10-2. Buttery Tie . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
FIGURE 10-3. Tie Strap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
FIGURE 10-4. Heavy Duty (Hd) Mount. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
FIGURE 10-5. Denition Of Measurements.. . . . . . . . . . . . . . . . . . . . . . . . . .10-4
2/17
vi
Page 9
Tables
TABLE 3-1. Abbreviations Used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
TABLE 3-2. Turning Radius . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
TABLE 3-3. Ride Heights. To calculate the frame height use the following formulas: . . . . .3-24
TABLE 3-4. Rear Suspension Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27
TABLE 3-5. Rear Suspension Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28
TABLE 3-6. Rear Suspension Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29
TABLE 3-7. Rear Suspension Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-30
TABLE 3-8. Rear Suspension Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31
TABLE 3-9. Rear Suspension Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32
TABLE 3-10. Rear Suspension Options . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-33
TABLE 3-11. Rear Suspension Options . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-34
TABLE 3-12. Rear Suspension Options . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-35
TABLE 3-13. Rear Suspension Options . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-36
TABLE 3-14. Rear Suspension Options . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-37
TABLE 3-15. Rear Suspension Options . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-38
TABLE 3-16. Rear Suspension Options . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-39
TABLE 3-17. Rear Suspension Options . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-40
TABLE 3-18. Axle Width Calculation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-45
TABLE 3-19. Ground Clearance for Fuel Tanks . . . . . . . . . . . . . . . . . . . . . . . . 3-47
TABLE 3-20. Ground Clearance for Battery Boxes . . . . . . . . . . . . . . . . . . . . . . 3-48
TABLE 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
TABLE 4-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
TABLE 4-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13
TABLE 4-4. Current single-acting PTOs include: . . . . . . . . . . . . . . . . . . . . . . . 4-16
TABLE 4-6. Reversible PTO States to Ports. . . . . . . . . . . . . . . . . . . . . . . . . .4-20
TABLE 4-7. PACCAR PTO TSC1 Message Requirements . . . . . . . . . . . . . . . . . .4-26
TABLE 4-8. In cab PTO Control – ESA Settings for T680/T880 . . . . . . . . . . . . . . . .4-29
TABLE 4-9. In-Cab PTO Control – PEP Settings . . . . . . . . . . . . . . . . . . . . . . . 4-31
TABLE 4-10. J1939 signals from CECU (SA 0x31) to Engine over VCAN . . . . . . . . . . 4-32
TABLE 4-11. Hard-wired Remote PTO Control – ESA Settings for T680/T880 . . . . . . . . 4-32
TABLE 4-12. Hardwired Remote PTO Control – PEP Settings . . . . . . . . . . . . . . . . 4-34
TABLE 4-13. J1939 signals from CECU (SA 0x31) to Engine over VCAN . . . . . . . . . . 4-35
TABLE 4-14. Engine Fault Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-35
TABLE 4-15. Remote PTO Control over BCAN with hardwired PTO Engagement
Feedback to Engine– ESA Settings T680/T880 . . . . . . . . . . . . . . . . . . . . . 4-35
TABLE 4-16. Hardwired Remote PTO Control – PEP Settings . . . . . . . . . . . . . . . . 4-37
TABLE 4-17. J1939 signals from CECU (SA 0x31) to Engine over VCAN . . . . . . . . . . 4-39
TABLE 4-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-39
TABLE 4-19. Remote PTO Control over BCAN with PTO ON/OFF Switch Signal over
BCAN – ESA Settings for T680/T880. . . . . . . . . . . . . . . . . . . . . . . . . . .4-39
TABLE 4-20. Hardwired Remote PTO Control – PEP Settings . . . . . . . . . . . . . . . . 4-44
TABLE 4-21. PACCAR BCAN Message Requirements . . . . . . . . . . . . . . . . . . . . 4-44
TABLE 5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
TABLE 5-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-20
TABLE 6-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
TABLE 6-2. Fuel Tank Overall Length (in) . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
TABLE 6-3. Battery Box Centerframe Lengths (in) . . . . . . . . . . . . . . . . . . . . . . 6-2
TABLE 6-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
TABLE 6-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
TABLE 6-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
TABLE 6-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
TABLE 6-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10
TABLE 6-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11
TABLE 6-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-12
TABLE 6-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13
vii
2/17
Page 10
Figures
Tables
TABLE 6-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-14
TABLE 6-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-15
TABLE 6-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-16
TABLE 6-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17
TABLE 6-17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18
TABLE 6-18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-19
TABLE 6-19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-20
TABLE 7-1. Single Steel Rails. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
TABLE 7-2. Inserted Steel Rails . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
TABLE 8-1. Customary Grade 8 UNF or UNC. . . . . . . . . . . . . . . . . . . . . . . . . 8-7
TABLE 8-2. U.S. Customary – Grade 8. Metric Class 10.9 . . . . . . . . . . . . . . . . . . 8-7
TABLE 9-2. Truck Lift Axle Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-20
TABLE 9-3. Air Solenoid Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-20
TABLE 9-4. MX engine (P111C/J111C) . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-21
TABLE 9-5. ISX Remote Throttle/PTO Connector P111A/J111A: . . . . . . . . . . . . . . .9-23
TABLE 9-6. EoA Chassis Node Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-24
TABLE 9-7. EoA CECU Guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-24
TABLE 9-8. CECU Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-25
TABLE 9-9. Interlocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-27
TABLE 10-1. Exhaust – System Clearance . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4
2/17
viii
Page 11
Section 1
Introduction
This manual was created to provide body builders with appropriate information and guidelines useful in the body planning and installation process. This information will be helpful when installing bodies or other associated equipment.
This manual contains appropriate dimensional information, guidelines for mounting bodies, guide­lines for modifying frames, electrical wiring information, and other information useful in the body installation process. This manual is specic to chassis with 2017 EPA emissions engines.
The Body Builder Manual can be very useful when specifying a vehicle, particularly when the body builder is involved in the vehicle denition and ordering process. Early in the process, professional body builders can often contribute valuable information that reduces the ultimate cost of the body installation.
In the interest of continuing product development, Kenworth reserves the right to change speci­cations or products at any time without prior notice. It is the responsibility of the user to ensure that he is working with the latest released information. Check Kenworth.com for the latest released version.
If you require additional information or reference materials, please contact your local Kenworth dealer.
1-1
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Page 12
This page intentionally left blank.
Page 13
Section 2
Safety & Compliance
SAFETY SIGNALS
We’ve put a number of alerting messages in this book. Please read and follow them. They are there for your protection and information. These alerting messages can help you avoid injury to yourself or others and help prevent costly dam­age to the vehicle.
Key symbols and “signal words” are used to indicate what kind of message is going to follow. Pay special attention to comments prefaced by “WARNING”, “CAUTION”, and “NOTE.” Please don’t ignore any of these alerts.
Warnings, cautions, and notes
WARNING
Example:
WARNING! Be sure to use a circuit breaker designed to meet liftgate amperage requirements. An incor-
rectly specied circuit breaker could result in a electrical overload or re situation. Follow the liftgate installation instructions and use a circuit breaker with the recommended capacity.
CAUTION
Example:
CAUTION: Never use a torch to make a hole in the rail. Use the appropriate drill bit.
NOTE
When you see this word and symbol, the message that follows is especially vital. It signals a potentially hazardous situation which, if not avoided, could result in death or serious injury. This message will tell you what the hazard is, what can happen if you don’t heed the warning, and how to avoid it.
Signals a potentially hazardous situation which, if not avoided, could result in minor or mod­erate injury or damage to the vehicle.
Provides general information: for example, the note could warn you on how to avoid damaging
your vehicle or how to drive the vehicle more efciently.
Example:
Note: Be sure to provide maintenance access to the battery box and fuel tank ll neck.
Please take the time to read these messages when you see them, and remember:
WARNING
Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION
Signals a potentially hazardous situation which, if not avoided, could result in minor or moderate injury or damage to the vehicle.
NOTE
Useful information that is related to the topic being discussed.
2-1
2/17
Page 14
Section 2
Safety & Compliance
FEDERAL MOTOR VEHICLE SAFETY STANDARDS COMPLIANCE
As an Original Equipment Manufacturer (OEM), Kenworth Truck Co. ensures that our products comply with all applicable
U.S. or Canadian Federal Motor Vehicle Safety Standards. However, the fact that this vehicle has no fth wheel and that a Body Builder (Intermediate or Final Stage Manufacturer) will be doing additional modications means that the vehicle was
incomplete when it left the build plant. See next section and Appendix A for additional information.
Incomplete Vehicle Certication
An Incomplete Vehicle Document is shipped with the vehicle, certifying that the vehicle is not complete. See Figure 2–1.
In addition, afxed to the driver’s side door frame or edge is an Incomplete Vehicle Certication label. See Figure 2–2. For further information on Vehicle Certication and Identication, see APPENDIX A “VEHICLE IDENTIFICATION.”
NOTE
These documents list the U.S. or Canadian Federal Motor Vehicle Safety Standard regulations that the vehicle complied with when it left the build plant. You should be aware that if you add, modify or alter any of the components or systems covered by these regulations, it is your responsibility as the Intermediate or Final Stage Manufacturer to ensure that the complete vehicle is in compliance with the particular regula-
tions upon completion of the modications.
U.S. EPA Noise Label (U.S. registered vehicles only)
Final Stage Manufacturer Label to be Installed by Final Stage Manufacturer
Chassis Serial Number
Vehicle Emission Control Information Label
FIGURE 2-1. Incomplete Ve-
hicle Certication Document
Tire, Rim and Weight Rating Data label
Safety Mark (Canadian Registry Only)
Incomplete Vehicle
Certication Label
Major Components and Weights Label
FIGURE 2-2. Locations of Certica- tion Labels - Driver’s Door and Frame
As the Intermediate or Final Stage Manufacturer, you should retain the Incomplete Vehicle Document for your records. In addition, you should record and retain the manufacturer and serial number of the tires on the vehicle. Upon completion
of the vehicle (installation of the body and any other modications), you should afx your certication label to the vehicle as required by Federal law. This tag identies you as the “Intermediate or Final Stage Manufacturer” and certies that the
vehicle complies with Federal Motor Vehicle Safety Standards. (See Figure 2–2.) Be advised that regulations affecting the
intermediate and nal stage manufacturer may change without notice. Ensure you are referencing the most updated copy of the regulation during the certication and documentation processes.
In part, if the nal stage manufacturer can complete and certify the vehicle within the instruction in the incomplete vehicle document (IVD) the certication label would need a statement that reads, “This vehicle has been completed in accordance
with the prior manufacturers‚ IVD where applicable. This vehicle conforms to all applicable Federal Motor Vehicle Safety Standards [and Bumper and Theft Prevention Standards if applicable] in effect in (month, year).”
However, if the vehicle can not be completed and certied with in the guidance provided in the IVD, the nal stage manu­facturer must ensure the vehicle conforms to all applicable Federal Motor Vehicle Safety Standards (FMVSS). The nal stage manufactures certication label would need a statement that reads, “This vehicle conforms to all applicable Federal
Motor Vehicle Safety Standards [and Bumper and Theft Prevention Standards if applicable] in effect in (month, year).”
2/17
2-2
Page 15
Section 2
Safety & Compliance
These statements are just part of the changes to the new certication regulation. Please refer to the Feb 15, 2005 nal rule for all of the details related to this regulation. You can contact NTEA Technical Services Department at 1-800-441­NTEA for a copy of the nal rule (DocID 101760).
For Canadian nal stage manufacturers see:
http://www.gazette.gc.ca/index-eng.html; and http://www.tc.gc.ca/eng/acts-regulations/menu.htm for the regulations.
Or contact:
Transport Canada
Tower C, Place de Ville, 330 Sparks Street Ottawa, Ontario K1A 0N5 (613) 990-2309 TTY: 1-888-675-6863
Noise and Emissions Requirements
NOTE
This truck may be equipped with specic emissions control components/systems* in order to
meet applicable Federal and California noise and exhaust emissions requirements. Tampering
with these emissions control components/systems* is against the rules that are established by the
U.S Code of Federal Regulations, Environment Canada Regulations and California Air Resources
Board (CARB). These emissions control components/systems* may only be replaced with original
equipment parts.
Additionally, most vehicles in North America will be equipped with a Greenhouse Gas (GHG)
“Vehicle Emission Control Information” door label indicating its certied conguration. The vehicle
components listed on this label are considered emission control devices.
Modifying (i.e. altering, substituting, relocating) any of the emissions control components/sys-
tems dened above will affect the noise and emissions performance/certication. Modications
that alter the overall shape and aerodynamic performance of a tractor will also affect the emis-
sion certication. If modications are required, they must rst be approved by the manufacturer. Unapproved modications could negatively affect emissions performance/certication. There is no guarantee that proposed modications will be approved.
Tires may be substituted provided the new tires possess a Coefcient of rolling resistance (Crr)
equal to or lower than Crr of the original tires. Consult with your tire supplier(s) for appropriate replacement tires.
Contact the engine manufacturer for any requirements and restrictions prior to any modications.
For Cummins Contact 1-800-DIESELS or your local Cummins distributor. Reference AEB 21.102.
It is possible to relocate the DEF tank, however the relocation requirements need to be followed. Any variance from the relocation requirements may cause the emissions control components/systems to operate improperly potentially resulting
in engine de-rate. See page 4-3 for relocation requirements.
NOTE
All 2017 engine emissions certied vehicles will be equipped with an On-Board Diagnostics
(OBD) system. The OBD system is designed to detect malfunctions of any engine or vehicle com­ponent that may increase exhaust emissions or interfere with the proper performance of the OBD system itself.
2-3
2/17
Page 16
Section 2
Safety & Compliance
All diesel engines will be equipped with an On-Board Diagnostics (OBD) system. The OBD system consists of computer program on one or more of the vehicle’s Electronic Control Units (ECUs). This program uses information from the control system and from additional sensors to detect malfunctions. When a malfunction is detected, information is stored in the ECU(s) for diag­nostic purposes. A Malfunction Indicator Light (MIL) is illuminated in the dash to alert the driver of the need for service of an emission-related component or system.
To ensure compliance to emissions regulations, the nal conguration of certain features of the completed vehicle must meet specic requirements. This section describes requirements relevant for only the most common or critical modi­cations done by body builders. For a complete description of acceptable modications, see the application
guidance available from the manufacturer of the engine installed in the chassis.
Fuel System
The following are highlights of some of the more common or critical aspects of this system.
The overall system restriction may not exceed the restriction limitations set forth by the engine manufacturer for both supply and return.
Ensure that fuel lines are not pinched or can potentially be damaged when installed between body and frame
Fuel lines must be routed and secured without dips or sags
There must be easy access to lter(s) and ll cap
The tank vent may not obstructed
Added accessories (heaters, generators) cannot introduce air into system
Fuel tank must be located so that the full level is not above cylinder head
“Ultra Low Sulfur Fuel Only” labels must be present on the dash and fuel ll
Modication of the pressure side secondary lter and plumbing is not allowed without engine manufacturer
approval
Body installation of fuel tank or routing of lines must not cause signicant increase in fuel temperature
Fuel hoses shall meet or exceed OEM supplied hose material construction specications
Formed nylon fuel lines with quick-connects are installed underneath the cab and hood along the frame rail.
Behind the cab from the fuel tee to tanks are wirebraid-reinforced rubber lines. Supply and return ttings are
poka-yoked to prevent incorrect assembly.
2/17
Nylon
Wirebraid-reinforced rubber
2-4
Page 17
Section 2
Safety & Compliance
PARTS
Replacement nylon fuel line assemblies are available based on individual chassis and fuel system hardware. For other chassis changes, individual parts are listed below.
DESCRIPTION USE PART NO.
Supply Tee – All ports open Dual LH and RH fuel tanks K38-1057
Supply Tee – RH port closed Only LH fuel tank(s) K38-1058
Supply Tee – LH port closed Only RH fuel tank(s) K38-1059
Return Tee – All ports open Dual LH and RH fuel tanks K38-1060
Return Tee – RH port closed Only LH fuel tank(s) K38-1061
Return Tee – LH port closed Only RH fuel tank(s) K38-1062
Supply Fitting – Straight Nylon line assemblies K38-1069-001
Supply Fitting – 90˚ Nylon line assemblies K38-1069-002
Return Fitting – Straight Nylon line assemblies K38-1069-003
Return Fitting – 90˚ Nylon line assemblies K38-1069-004
Supply Union Short-term repair, 12mm ID K38-1069-010
Return Union Short-term repair, 10mm ID K38-1069-009
¼” NPT Port
Supply Rubber Line Assembly Fuel tee to fuel tank lines, xxx in
inches
Return Rubber Line Assembly Fuel tee to fuel tank lines, xxx in
inches
Supply Steel Fitting – Straight Rubber line assemblies, 1/2” barb K38-1069-007
Return Steel Fitting – Straight Rubber line assemblies, 3/8” barb K38-1069-008
Retaining Clip Collar on steel rubber hose ttings K38-1069-015
Bulk Supply Nylon Line Short-term repair, 12mm ID, xxxx
in mm
Bulk Return Nylon Line Short-term repair, 10mm ID, xxxx
in mm
Supply APU Fitting Additional fuel-powered unit, install
in-line at tee
Return APU Fitting Additional fuel-powered unit, install
in-line at tee
V50-14860082111xxx
V50-14860063111xxx
V50-1178-1xxxx
V50-1178-2xxxx
K38-1055
K38-1056
Compressed Air System
The following are highlights of some of the more common or critical aspects of this system.
Air system modication must meet applicable FMVSS regulations
Compressed Air tank may not be modied (exception – addition or removal of ttings or relocation of the tank)
Added devices or bodywork may not interfere with or rub air lines
Air supply to the engine doser may not be restricted or disconnected
Air lines should be routed, protected from heat, and properly secured to prevent damage from other components
Care should be taken so that air lines do not rub against other components
Care should be taken to protect the air system from heat sources.
2-5
2/17
Page 18
Section 2
Safety & Compliance
Exhaust and Exhaust After-treatment System
The following are highlights of some of the more common or critical aspects of this system.
The following after-treatment and exhaust system components may not be modied:
DPF assembly
SCR Catalyst assembly
Exhaust pipes between the engine and after-treatment devices (DPF, SCR Catalyst) and between
after-treatment devices
NOx Sensors
PM Sensor
The following modications may only be done within the guidelines of the “DEF System Relocation Guide.”
Modications to Diesel Exhaust Fluid (DEF) throttle, suction, or pressure lines
Modication or relocation of the DEF tank
Modication of coolant lines to and from the DEF tank
All DEF and coolant lines should be routed, protected, and properly secured to prevent damage during vehicle operation or other components
If relocation of the DCU or ACM is necessary, use existing frame brackets and mount inside of frame anges where necessary. Do not extend the harnesses
The DPF, the SCR catalyst, or their mounting may not be modied
The NOx sensor may not be relocated or altered in any way; this includes re-clocking the aftertreatement canister or reorienting the sensor(s)
Exhaust pipes used for tailpipes/stacks must be properly sized, and must prevent water from entering
Ensure adequate clearance between the exhaust and body panels, hoses, and wire harnesses
The body in the vicinity of the DPF must be able to withstand temperatures up to 400°C (750°F)
Do not add thermal insulation to the external surface of the DPF
The SCR water drain hole may not be blocked
Allow adequate clearance (25mm (1 inch)) for servicing the DPF sensors, wiring, and clamped joints
Drainage may not come in contact with the DPF, SCR catalyst, sensors or wiring
Allow sufcient clearance for removing sensors from DPF. Thermistors require four inches. Other sensors require one inch
Wiring should be routed, protected from heat, and properly secured to prevent damage from other components
The exhaust system from an auxiliary power unit (APU) must not be connected to any part of the vehicle after-treatment system or vehicle tail pipe.
Cooling System
The following are highlights of some of the more common or critical aspects of this system.
Modications to the design or locations of ll or vent lines, heater or defroster core, and surge tank are not recommended
Additional accessories plumbed into the engine cooling system are not permitted, at the risk of voiding vehicle warranty
Coolant level sensor tampering will void warranty
2/17
2-6
Page 19
Section 2
Safety & Compliance
When installing auxiliary equipment in front of the vehicle, or additional heat exchangers, ensure that adequate air ow is available to the vehicle cooling system. Refer to engine manufacturer application guide­lines for further detail
When installing FEPTO drivelines, the lower radiator anti-recirculation seal must be retained with FEPTO
driveline clearance modication only
Changes made to cooling fan circuit and controls are not allowed, with the exception of AC minimum fan on time parameter
See owner’s manual for appropriate winter front usage
Electrical System
The following are highlights of some of the more common or critical aspects of this system.
Electrical harnesses providing battery power and electronic control signals to engine and emissions control/ vehicle OBD components including datalinks may not be spliced. These emissions control/vehicle OBD components include the following:
throttle pedal
vehicle speed sensor
after-treatment wiring
9-pin OBD Connector
CAN Communication / OBD Diagnostic wiring
If the alternator or battery is substituted, it must meet the requirements of the engine manufacture’s guide­lines. This includes alternator ground voltage drop and alternator ground cable effectiveness. See the engine manufacture’s guidelines for recommended test procedure. Additionally the maximum voltage differential and the peak-peak voltage differential between the engine ECM block ground stud and battery negative terminal
may not exceed 500 mV under any combination of loads or operating conditions.
Only an OBD compliant battery disconnect switch may be installed on vehicles equipped EPA 2013 and beyond compliant diesel engines. An OBD compliant switch and harness, even in the off position, supply a small amount of power to the engine controller and enable certain emissions critical functions (e.g. DEF line
purge). Any modications to the electrical system which interrupt this power supply will cause OBD fault codes and illumination of the MIL. In addition, such a modication will render the engine non-compliant with certain
emission regulations. As a general rule of thumb, you can remove and replace a battery disconnect switch on a truck equipped with a battery disconnect switch at the factory. However, if a battery disconnect switch was
not installed in the factory a signicant harness modication is required before a battery disconnect switch can
be added.
Installation of aftermarket transfer-cases must address the vehicle speed sensor position. The standard posi­tion of the speed sensor is at the transmission tail shaft. When a transfer-case is added it is best to relocate the sensor to the axle side output shaft of the transfer-case. This is typically accomplished by adding a tone wheel into the driveline yoke assembly.
Wiring extensions for the after-treatment wiring are available for relocating the DEF tank from your dealer via Paccar Parts. For relocation of DEF tank, refer to the after-treatment section of this manual.
The emission system requires an accurate Outside Air Temperature (OAT) reading in order to properly run its control algorithms. The OAT sensor is located in the driver’s side mirror assembly on Kenworth trucks and is shown in the gures below. If the body builder needs to modify the mirror assembly in any way, it is im­portant the OAT sensor stay positioned on the mirror assembly. Running the vehicle without the OAT sensor connected will cause the MIL lamp to illuminate. If needed, a replacement sensor can be ordered from your
Kenworth dealer.
2-7
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Page 20
Section 2
Safety & Compliance
FIGURE 2-3: Aerodynamic Mirror OAT Sensor Location
Coolant Sensor considerations are given in the Cooling section above
The OBD/Diagnostic connector port is located below the dash to the left of the steering wheel. This connector and its location may not be changed.
All vehicles equipped with EPA 2013 compliant diesel and bi-fueled engines must be equipped with a Malfunc-
tion Indicator Lamp (MIL) lamp. This lamp is required to be an engine outline symbol as dened by ISO (Inter­national Standards Organization). The gure below shows the instrument cluster and MIL lamp position. Note this lamp location is xed with respect to the controls and its location may not be changed if you are updating
the warning lamp cards.
2/17
FIGURE 2-4: Instrument Cluster for T680/T880 used with EPA 2013 Emission compliant engines. The Check Engine lamp and/or the MIL will appear in the Driver Performance
Center (#8). See T680/T880 Operator’s Manual for more information.
In addition to the sensors and lamps above, the emission system also depends on signals from the exhaust DPF (Diesel Particulate Filter), SCR (Selective Catalytic Reduction), and NOx sensor. Wiring between these devices, the Dosing Control Unit (DCU) and engine ECM should not be tampered with or altered in any way.
2-8
Page 21
Section 2
Safety & Compliance
Air Intake System
The following are highlights of some of the more common or critical aspects of this system.
The air intake screen may not be blocked, either fully or partially
Modication to the air intake system may not restrict airow. For example, pipe diameter may not be reduced
All sensors must be retained in existing locations
To retain system seal, proper clamp torque must be used. Refer to service manual for proper clamp torque
Charge Air Cooler System
The following are highlights of some of the more common or critical aspects of this system.
The Charge Air Cooler may not be modied
The installation of engine overspeed shutdown devices must not introduce restriction in the intake system
All plumbing associated with the charge air cooler may not be modied
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Page 22
This page intentionally left blank.
Page 23
Section 3
Dimensions
DIMENSIONS
This section has been designed to provide enough information to successfully layout chassis in the body planning process. Optional equipment may not be depicted. Please contact your local Kenworth dealer if more dimensional information is desired.
ABBREVIATIONS
Throughout this section, and in other sections as well, abbreviations are used to describe certain characteristics on your vehicle. The chart below lists the abbreviated terms used.
TABLE 3-1. Abbreviations Used
CA BACK OF CAB TO CENTERLINE OF REAR AXLE OR CENTERLINE OF TANDEMS ON TANDEM SUSPENSION
EOF FRAME RAIL OVERHANG BEHIND REAR AXLE – MEASURED FROM THE CENTERLINE OF TANDEMS
FS FRONT SUSPENSION HEIGHT
RS REAR SUSPENSION HEIGHT
WB WHEELBASE
SOC SIDE OF CAB
BOC BACK OF CAB
TURNING RADIUS
Approximate turning radius specications are listed in the following tables as a general guide. It is important to note that
optional components may alter the results.
TABLE 3-2. Turning Radius
Model Steering Gear Front Axle Front Wheel Front Tire
T680/T880
Single Gear
HD94 or
THP60
Dana Spicer
E-1202I 12K or
E13221 13.2K
Accuride 50487
or Alcoa 88367
22.5 X 8.25
295/75R22.5
Rear
Suspension
Tandem 52” Axle Spacing
Wheel Base
(in.)
181 26.7
193 26.9
201 28.0
213 29.7
220 30.6
232 32.3
240 33.4
252 35.0
260 36.1
272 37.7
280 38.8
291 40.4
303 42.0
323 44.7
331 45.8
Turning
Radius (ft)
3-1
TABLE 3-2 CONTINUES ON NEXT PAGE…
2/17
Page 24
Section 3
Dimensions
TABLE 3-2 CONTINUED
Model Steering Gear Front Axle Front Wheel Front Tire
Meritor
MFS12 or
MFS13
Dana Spicer
E-12021 12K or
E-13221 13.2K
Meritor MFS14
Dana Spicer
E-14621
Meritor MFS20
Standard Track
Dana Spicer
D2000 20K
Standard Track
Accuride 50487
or Alcoa 88367
22.5 X 8.25
Alcoa 89365
22.5 X 9
Alcoa 89365
22.5 X 9
11R22.5
315/80R22.5
315/80R22.5
T680/T880
T880
T880
Single Gear
HD94 or
THP60
Single Gear
SD110 or
TAS85
Dual Gears
HD94 or
THP60
Rear
Suspension
Tandem 52” Axle Spacing
Tandem 52” Axle Spacing
Tandem 52” Axle Spacing
Wheel Base
(in.)
181 26.9
193 27.4
201 28.5
213 30.2
220 31.2
232 32.9
240 34.0
252 35.7
260 36.8
272 38.4
280 39.6
291 41.1
303 42.8
323 45.6
331 46.7
181 26.9
193 26.9
201 27.9
213 29.6
220 30.5
232 32.2
240 33.2
252 34.0
260 35.1
272 36.7
280 37.8
291 39.2
303 40.8
323 43.4
331 44.5
181 28.1
193 28.6
201 29.7
213 31.5
220 32.5
232 34.2
240 35.3
252 35.2
260 36.3
272 38.0
280 39.1
291 40.6
303 42.2
323 45.0
331 46.0
Turning
Radius (ft)
2/17
TABLE 3-2 CONTINUES ON NEXT PAGE…
3-2
Page 25
TABLE 3-2 CONTINUED
Section 3
Dimensions
Model Steering Gear Front Axle Front Wheel Front Tire
Meritor MFS20
Standard Track
Dana Spicer
D2000 20K
Standard Track
Meritor MFS20
Standard Track
Dana Spicer
D2000 20K
Standard Track
Alcoa 82362
22.5 X 12.25
Alcoa 82362
22.5 X 12.25
385/65R22.5
425/65R22.5
T880
T880
Dual Gears
HD94 or
THP60
Dual Gears
HD94 or
THP60
Rear
Suspension
Tandem 52” Axle Spacing
Tandem 52” Axle Spacing
Wheel Base
(in.)
181 28.1
193 28.6
201 29.8
213 31.5
220 32.5
232 34.2
240 35.4
252 35.3
260 36.4
272 38.0
280 39.1
291 40.6
303 42.2
323 45.0
331 46.1
181 28.1
193 28.6
201 29.8
213 31.5
220 32.5
232 34.2
240 35.4
252 36.7
260 37.8
272 39.5
280 40.7
291 42.2
303 43.9
323 46.8
331 47.9
Turning
Radius (ft)
3-3
2/17
Page 26
Section 3
Dimensions
Prospector Turn Circle Analysis:
Please see Figure 3-2 as an example of Kenworth’s turn circle calculation made in Prospector for your specic chassis.
Your local Kenworth dealer can provide this information to you.
FIGURE 3-1. Prospecter Turn Circle Analysis
Please consult your local Kenworth Dealer for this information, as it is chassis specic.
2/17
3-4
Page 27
Section 3
Dimensions
OVERALL DIMENSIONS
This section includes drawings and charts of the following Class 8 models: T680 and T880, including 40”, 52”, and 76” sleepers
On the pages that follow, detail drawings show particular views of each vehicle, all dimensions are in inches (in). They illustrate important measurements critical to designing bodies of all types. See the “Contents” at the beginning of the manual to locate the drawing that you need.
Note: To determine overall height please locate the chart Table 3-3 on page 3-12 and add that value to the height. All heights are given from the bottom of the frame rail.
Kenworth also offers .dxf les and frame layouts of ordered chassis four weeks prior to build. Please speak with your
salesman to request this feature when specifying your chassis.
3-5
2/17
Page 28
Section 3
Dimensions
T680 STANDARD HOOD DAYCAB
The following drawings are of a standard T680 Standard Hood Daycab, shown with standard chassis components.
2/17
3-6
Page 29
Section 3
Dimensions
T680 MX (SHORT) HOOD DAYCAB
The following drawings are of a standard T680 MX (Short) Hood Daycab, shown with standard chassis components.
3-7
2/17
Page 30
Section 3
Dimensions
T880 STANDARD HOOD DAYCAB
The following drawings are of a standard T880 Standard Hood Daycab, shown with standard chassis components.
2/17
3-8
Page 31
Section 3
Dimensions
T880S SFFA (SHORT) HOOD DAYCAB
The following drawings are of a standard T880S SFFA (Short) Hood Daycab, shown with standard chassis components.
BBC
CA
77.1
FS
BS 86.2
61.4
37.3
119.7
WB EOF
11.3
18.3
53.6
82.7
33.3
11.3
83.8
RS
3-9
34
2/17
Page 32
Section 3
Dimensions
T680 STANDARD HOOD 40” SLEEPER
The following drawings are of a standard T680 Standard Hood 40” Sleeper, shown with standard chassis components.
2/17
3-10
Page 33
Section 3
Dimensions
T680 MX (SHORT) HOOD 40” SLEEPER
The following drawings are of a standard T680 MX (Short) Hood 40” Sleeper, shown with standard chassis components.
3-11
2/17
Page 34
Section 3
Dimensions
T880 STANDARD HOOD 40” SLEEPER
The following drawings are of a standard T880 Standard Hood 40” Sleeper, shown with standard chassis components.
2/17
3-12
Page 35
Section 3
Dimensions
T880S SFFA (SHORT) HOOD 40” SLEEPER
The following drawings are of a standard T880S SFFA (Short) Hood 40” Sleeper, shown with standard chassis components.
77.1
FS
61.4
BS
37.2
119.7
BBS
115.7
WB
18.2
CA
11.1
94.7
35
87.2
RS
EOF
11.1
18.1
51
34
3-13
2/17
Page 36
Section 3
Dimensions
T680 STANDARD HOOD 52” SLEEPER
The following drawings are of a standard T680 Standard Hood 52” Sleeper, shown with standard chassis components.
2/17
3-14
Page 37
Section 3
Dimensions
T680 MX (SHORT) HOOD 52” SLEEPER
The following drawings are of a standard T880 MX (Short) Hood 52” Sleeper, shown with standard chassis components.
3-15
2/17
Page 38
Section 3
Dimensions
T880 STANDARD HOOD WITH 52” SLEEPER
The following drawings are of a standard T880 Standard Hood with 52” Sleeper, shown with standard chassis components.
2/17
3-16
Page 39
Section 3
Dimensions
T880 MX (SHORT) HOOD WITH 52” SLEEPER
The following drawings are of a standard T880 MX (Short) hood with 52” Sleeper, shown with standard chassis components.
3-17
2/17
Page 40
Section 3
Dimensions
T680 STANDARD HOOD WITH 76” HIGH-ROOF SLEEPER
The following drawings are of a standard T680 Standard Hood with 76” High-Roof Sleeper, shown with standard chassis components.
2/17
3-18
Page 41
Section 3
Dimensions
T680 MX (SHORT) HOOD WITH 76” HIGH-ROOF SLEEPER
The following drawings are of a standard T680 MX (Short) hood with 76” High-Roof Sleeper, shown with standard chassis components.
3-19
2/17
Page 42
Section 3
Dimensions
T680 STANDARD HOOD WITH 76” MID-ROOF SLEEPER
The following drawings are of a standard T680 Standard Hood with 76” Mid-Roof Sleeper, shown with standard chassis components.
2/17
3-20
Page 43
Section 3
Dimensions
T680 MX (SHORT) HOOD WITH 76” MID-ROOF SLEEPER
The following drawings are of a standard T680 MX (Short) hood with 76” Mid-Roof Sleeper, shown with standard chassis components.
3-21
2/17
Page 44
Section 3
Dimensions
T880 STANDARD HOOD WITH 76” MID-ROOF SLEEPER
The following drawings are of a standard T880 Standard Hood with 76” Mid-Roof Sleeper, shown with standard chassis components.
2/17
3-22
Page 45
Section 3
Dimensions
T880 MX (SHORT) HOOD WITH 76” MID-ROOF SLEEPER
The following drawings are of a standard T880 MX (Short) hood with 76” Mid-Roof Sleeper, shown with standard chassis components.
3-23
2/17
Page 46
Section 3
Dimensions
RIDE HEIGHTS
The front (FS) and rear (RS) suspension ride heights are provided as a basic tool to determine the overall height of the cab, height of exhaust components, and frame heights. The heights are all calculated from the centerlines of the axles, please be sure to include the tire radius dimension to determine overall height. Note: the frame rail height itself will not affect the overall height as all components are located from the bottom of the frame rail.
82.5
TABLE 3-3. Ride Heights. To calculate the frame height use the following formulas:
Front Frame Height = FS + 1/2 Front Tire Diameter Rear Frame Height = RS + 1/2 Rear Tire Diameter
Front Suspension (T680/T880)
Front Suspension (FS) Laden: Unladen:
12K Taperleaf 10.3” 11.5”
13.2K Taperleaf 10.3” 11.5”
14.6K Taperleaf 10.3” 11.7”
16K Taperleaf 10.6” 12.3” 20K Taperleaf 10.4” 11.9” 22K Multi-stage Taperleaf 10.7” 12.7”
RSFS
2/17
3-24
Page 47
Section 3
Dimensions
Rear Suspension (All Models). Common Rear Suspensions are shown here, for detailed suspensions please use the Rear suspension layouts on pages 3-18 to 3-33.
Rear Suspension Laden: Unladen:
Kenworth AG400L 8.5” 8.5” Kenworth AG400 9” 9” Kenworth AG460 10.5” 10.5” Kenworth AG690 Tridem 10.5” 10.5” Reyco 79KB 23K Rating 8.3” 10.8” Reyco 102 38K Rating 9.2” 10.8” Chalmers 854-40-L-HS 40K Rating 9.6” 11” Chalmers 854-46-H 46K Rating 10.1” 12.4” Chalmers 854-50-H-HS 50K Rating 10.8” 12.5” Chalmers 865-65-XL 65K Rating 13” 15.7” Hend HMX400 16.5” Saddle 9.5” 10.6” Hend HMX400 17.5” Saddle 10.5” 11.6” Hend HMX460 46K 16.5” Saddle 9.5” 10.6” Hend HMX460 46K 17.5” Saddle 10.5” 11.6” Hendrickson Primaax EX 46K Rating 10” 10” Hendrickson RT463 6” Saddle
46K Rating Hendrickson RT463 7.19” Saddle
46K Rating Hend RT523 52K 6” Saddle 9.9” 11” Neway ADZ246 46K Rating 10” or 12” 10” or 12” Neway ADZ252 52K Rating 10” or 12” 10” or 12” Neway ADZ369 69K Tridem 10” or 12” 10” or 12” Neway ADZ378 78K Tridem 10” 10”
10” 11.1”
11.2” 12.5”
3-25
2/17
Page 48
Section 3
Dimensions
REAR SUSPENSION LAYOUTS
The rear suspension layouts are provided as a tool to help layout bodies prior to arrival. The applicable dimensions are shown. Be sure to check the axle spacing that is shown, as alternate spacings may exist and could change some of the dimensions. The dimensions shown below are the most typical installations, in special cases some hole locations will
move. If you are planning on using the holes shown for your body installation, please conrm with your local KW dealer that the drawing below will be the installation used on your specic truck. Ensure that proper torque is used to reinstall any
suspension components. See Tables 7-1 and 7-2 on page 7-7.
It would be a good idea in this case to order the frame layout of your chassis along with your truck order. This can be done on any Kenworth truck, and will be provided 4 weeks ahead of the build schedule.
If there are hole locations that are not detailed please work with your local Kenworth Dealer to request that information.
Additionally optional axle spacings are shown in the charts, if you would like details on the frame drilling with optional spacings, please contact your local Kenworth dealer.
NOTE: Actual axle spacing can depart from nominal due to axle slant requirements. Final axle spacing can vary by more than an inch from nominal in some cases. If precise axle spacing is critical due to body installation or state/local regulatory requirements please contact Kenworth Applications/technical Support for assistance.
2/17
3-26
Page 49
AG400L TANDEM
Section 3
Dimensions
59.4
58.3
53.8
AG400L Suspensions
56.9
54.7
8.5
Axle Spacing
Note: “54” Axle Spacing dmensions shown
TABLE 3-4. Rear Suspension Options
Suspension Type Rating Axle Spacing
AG400L Tandem 40K 52" 8.5" 8.5"
AG400L Tandem 40K 54" 8.5" 8.5"
NOTE: Actual axle spacing can depart from nominal due to axle slant requirements. Final axle spacing can vary by more than an inch from nominal in some cases. If precise axle spacing is critical due to body installation or state/local regulatory requirements please contact Kenworth Applications/technical Support for assistance.
Laden Ride
Height
Unladen Ride
Height
3-27
2/17
Page 50
Section 3
Dimensions
AG400 OR AG460 TANDEM
60.6
AG400 Suspensions
58.5
48.0
45.9
Ride
Height
Axle Spacing
TABLE 3-5. Rear Suspension Options
Suspension Type Rating Axle Spacing
AG400 Tandem 40K 52" 9" 9"
AG400 Tandem 40K 54" 9" 9"
AG460 Tandem 46K 54” 10.5” 10.5”
NOTE: Actual axle spacing can depart from nominal due to axle slant requirements. Final axle spacing can vary by more than an inch from nominal in some cases. If precise axle spacing is critical due to body installation or state/local regulatory requirements please contact Kenworth Applications/technical Support for assistance.
Laden Ride
Height
Unladen Ride
Height
2/17
3-28
Page 51
AG460 TANDEM
Section 3
Dimensions
67.7
65.8
AG460 Suspensions
52.0
49.9
10.5
60.0
TABLE 3-6. Rear Suspension Options
Suspension Type Rating Axle Spacing
AG460 Tandem 60" Spacing 46K 60" 10.5" 10.5"
NOTE: Actual axle spacing can depart from nominal due to axle slant requirements. Final axle spacing can vary by more than an inch from nominal in some cases. If precise axle spacing is critical due to body installation or state/local regulatory requirements please contact Kenworth Applications/technical Support for assistance.
Laden Ride
Height
Unladen Ride
Height
3-29
2/17
Page 52
Section 3
Dimensions
AG690 TRIDEM
87.6
85.5
54.0
AG690 Tridem Suspension
TABLE 3-7. Rear Suspension Options
Suspension Type Rating Axle Spacing
76.0
73.9
54.0
Laden Ride
Height
10.5
Unladen Ride
Height
AG690 Tridem 69K 108" (54" + 54") 10.5" 10.5"
NOTE: Actual axle spacing can depart from nominal due to axle slant requirements. Final axle spacing can vary by more than an inch from nominal in some cases. If precise axle spacing is critical due to body installation or state/local regulatory requirements please contact Kenworth Applications/technical Support for assistance.
2/17
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Page 53
REYCO 79KB SINGLE REAR AXLE
30.2 30.1
28.7 29.0
Section 3
Dimensions
Ride Height
Optional Reyco 79KB Suspensions
TABLE 3-8. Rear Suspension Options
Suspension Type Rating Axle Spacing
Reyco 79KB single 20K - 8.3” 10.8”
Reyco 79KB single 23K - 8.3” 10.8”
Reyco 79KB single 26K - 8.2” 11.3”
Reyco 79KB single 31K - 9.6” 12.2”
Laden Ride
Height
Unladen Ride
Height
3-31
2/17
Page 54
Section 3
Dimensions
REYCO 102 TANDEM REAR AXLE
Shown with a 52” Axle Spacing
Reyco 102 Suspension Data
TABLE 3-9. Rear Suspension Options
Suspension Type Rating Axle Spacing Laden Ride Height
Reyco 102 Tandem 38K 52” 9.2” 10.8”
NOTE: Actual axle spacing can depart from nominal due to axle slant requirements. Final axle spacing can vary by more than an inch from nominal in some cases. If precise axle spacing is critical due to body installation or state/local regulatory requirements please contact Kenworth Applications/technical Support for assistance.
Unladen Ride
Height
2/17
3-32
Page 55
NEWAY ADZ 123 SINGLE REAR AXLE
30.8
29.8
27.8
Section 3
Dimensions
18.0
16.0
2.1
8.0
2.7
4.6
Optional Neway ADZ Single Suspensions
TABLE 3-10. Rear Suspension Options
18.8
26.4
24.3
RIDE HEIGHT
5.9
2.4
Suspension Type Rating Axle Spacing
Neway ADZ123 single 23K - 10” 10”
Neway ADZ126 single 26K - 10” 10”
Laden Ride
Height
Unladen Ride
Height
3-33
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Section 3
Dimensions
NEWAY ADZ 246 TANDEM SUSPENSION
Shown with a 54” Axle Spacing
57.7
56.7
54.7
44.9
42.9
52.1
50.7
2.7
4.6
8.0
AXLE SPACING
Optional Neway ADZ Tandem Suspensions
TABLE 3-11. Rear Suspension Options
Suspension Type Rating Axle Spacing
Neway ADZ246 tandem 46K 54” 10” 10”
Neway ADZ246 tandem 46K 60” 10” 10”
Laden Ride
Height
Unladen Ride
Height
RIDE HEIGHT
Neway ADZ246 tandem 46K 72” 10” 10”
Neway ADZ252 tandem 52K 54” 10” 10”
Neway ADZ252 tandem 52K 54” 12” 12”
Neway ADZ252 tandem 52K 60” 10” 10”
Neway ADZ252 tandem 52K 60” 12” 12”
NOTE: Actual axle spacing can depart from nominal due to axle slant requirements. Final axle spacing can vary by more than an inch from nominal in some cases. If precise axle spacing is critical due to body installation or state/local regulatory requirements please contact Kenworth Applications/technical Support for assistance.
2/17
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Page 57
NEWAY ADZ 369 TRIDEM SUSPENSION
Shown with 54” Axle Spacings
84.7
83.7
81.7
71.9
69.9
Section 3
Dimensions
79.1
77.7
72.9
5.4
2.4
2.7
4.6
8.0
AXLE SPACING
AXLE SPACING
Optional Neway ADZ Tridem Suspensions
TABLE 3-12. Rear Suspension Options
Suspension Type Rating Axle Spacing
Laden Ride
Height
Neway ADZ369 tridem 69K 54” 10” 10”
Neway ADZ369 tridem 69K 54” 12” 12”
Unladen Ride
Height
RIDE HEIGHT
Neway ADZ369 tridem 69K 60” 12” 12”
Neway ADZ378 tridem 78K 54” 10” 10”
Neway AD378 tridem 78K 60” 10” 10”
NOTE: Actual axle spacing can depart from nominal due to axle slant requirements. Final axle spacing can vary by more than an inch from nominal in some cases. If precise axle spacing is critical due to body installation or state/local regulatory requirements please contact Kenworth Applications/technical Support for assistance.
3-35
2/17
Page 58
Section 3
Dimensions
HENDRICKSON PRIMAAX EX TANDEM SUSPENSION
Shown with 54” Axle Spacings
Optional Hendrickson Primaax EX Tandem Suspensions
TABLE 3-13. Rear Suspension Options
Suspension Type Rating Axle Spacing
Hendrickson Primaax Tandem 46K 54” 10” 10”
Hendrickson Primaax Tandem 46K 60” 10” 10”
Hendrickson Primaax Tandem 46K 72” 10” 10”
NOTE: Actual axle spacing can depart from nominal due to axle slant requirements. Final axle spacing can vary by more than an inch from nominal in some cases. If precise axle spacing is critical due to body installation or state/local regulatory requirements please contact Kenworth Applications/technical Support for assistance.
Laden Ride
Height
Unladen Ride
Height
2/17
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Page 59
Section 3
Dimensions
HENDRICKSON PRIMAAX EX TRIDEM SUSPENSION
Shown with 54” Axle Spacings
Optional Hendrickson Primaax EX Tridem Suspensions
TABLE 3-14. Rear Suspension Options
Suspension Type Rating Axle Spacing
Hendrickson Primaax Tridem 69K 54” 10” 10”
Hendrickson Primaax Tridem 69K 60” 10” 10”
NOTE: Actual axle spacing can depart from nominal due to axle slant requirements. Final axle spacing can vary by more than an inch from nominal in some cases. If precise axle spacing is critical due to body installation or state/local regulatory requirements please contact Kenworth Applications/technical Support for assistance.
Laden Ride
Height
Unladen Ride
Height
3-37
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Page 60
Section 3
Dimensions
HENDRICKSON UMX TANDEM SUSPENSION
Shown with 54” Axle Spacing
Optional Hendrickson HMX Tandem Suspensions
TABLE 3-15. Rear Suspension Options
Suspension Type Rating Axle Spacing
Hendrickson ULTIMAAX 460 17.5” Saddle Height 46K 54” 11” 12.5”
Hendrickson ULTIMAAX 460 18.25” Saddle Height 46K 54” 11” 12.5”
Hendrickson ULTIMAAX 460 17.5” Saddle Height 46K 60” 11” 12.5”
Hendrickson ULTIMAAX 460 18.25” Saddle Height 46K 60” 11” 12.5”
Hendrickson ULTIMAAX 520 17.5” Saddle Height 52K 54” 11” 12.5”
Hendrickson ULTIMAAX 520 18.25” Saddle Height 52K 54” 11” 12.5”
Hendrickson ULTIMAAX 520 17.5” Saddle Height 52K 60” 11” 12.5”
Hendrickson ULTIMAAX 520 18.25” Saddle Height 52K 60” 11” 12.5”
Laden Ride
Height
Unladen Ride
Height
NOTE: Actual axle spacing can depart from nominal due to axle slant requirements. Final axle spacing can vary by more than an inch from nominal in some cases. If precise axle spacing is critical due to body installation or state/local regulatory requirements please contact Kenworth Applications/technical Support for assistance.
2/17
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Page 61
HENDRICKSON RT TANDEM SUSPENSION
Shown with a 54” Axle Spacing Without Track Rods
Section 3
Dimensions
Optional Hendrickson RT Tandem Suspensions
TABLE 3-16. Rear Suspension Options
Suspension Type Rating Axle Spacing
Hendrickson RT463 6” saddle 46K 52” 10.0” 11.1”
Hendrickson RT463 6” saddle 46K 54” 10.0” 11.1”
Hendrickson RT463 7.19” saddle 46K 54” 11.2” 12.5”
Hendrickson RT463 7.94” saddle 46K 54” 11.9” 13.3”
Hendrickson RT463 6” saddle 46K 60” 10.0” 11.1”
Hendrickson RT463 7.94” saddle 46K 60” 11.9” 13.0”
Hendrickson RTE463 7.19” saddle 46K 52” 10.5” 11.6”
Hendrickson RT523 6” saddle 52K 52” 9.9” 11.0”
Hendrickson RT523 6” saddle 52K 54” 9.9” 11.0”
Hendrickson RT523 7.19” saddle 52K 54” 11.1” 12.2”
Hendrickson RT523 11” saddle 52K 54” 14.9” 16.0”
Hendrickson RT523 6” saddle 52K 60” 9.9” 11.0”
Laden Ride
Height
Unladen Ride
Height
Hendrickson RT523 7.19” saddle 52K 60” 11.1” 12.2”
NOTE: Actual axle spacing can depart from nominal due to axle slant requirements. Final axle spacing can vary by more than an inch from nominal in some cases. If precise axle spacing is critical due to body installation or state/local regulatory requirements please contact Kenworth Applications/technical Support for assistance.
3-39
2/17
Page 62
Section 3
Dimensions
CHALMERS 856-46 TANDEM SUSPENSION
Shown with a 54” Axle Spacing
Optional Chalmers Tandem Suspensions
TABLE 3-17. Rear Suspension Options
Suspension Type Rating Axle Spacing
Chalmers 854-40-L 40K 54” 8.9” 11.1”
Chalmers 854-40-L-HS 40K 54” 9.6” 11.1”
Chalmers 854-40-H 40K 54” 10.2” 12.4”
Chalmers 854-40-H-HS 40K 54” 10.9” 12.4”
Chalmers 854-46-L 46K 54” 8.9” 11.3”
Chalmers 854-46-L-HS 46K 54” 9.6” 11.3”
Chalmers 854-46-H 46K 54” 10.1” 12.5”
Chalmers 854-46-H-HS 46K 54” 10.9” 12.5”
Chalmers 854-50-L 50K 54” 8.9” 11.3”
Laden Ride
Height
Unladen Ride
Height
Chalmers 854-50-L-HS 50K 54” 9.6” 11.3”
Chalmers 854-50-H 50K 54” 10.1” 12.5”
TABLE 3-17 CONTINUES ON NEXT PAGE…
2/17
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Page 63
TABLE 3-17 CONTINUED
Section 3
Dimensions
Suspension Type Rating Axle Spacing
Chalmers 854-50-H-HS 50K 54” 10.9” 12.5”
Chalmers 854-52-L-HS 52K 54” 9.6” 11.3”
Chalmers 854-52-H-HS 52K 54” 10.9” 12.5”
Chalmers 860-40-L 40K 60” 8.9” 11.1”
Chalmers 860-46-L 46K 60” 8.9” 11.3”
Chalmers 860-46-L-HS 46K 60” 9.6” 11.3”
Chalmers 860-46-H 46K 60” 10.1” 12.5”
Chalmers 860-46-H-HS 46K 60” 10.9” 12.5”
Chalmers 860-52-H 52K 60” 10.9” 12.5”
Chalmers 872-46-H-HS 46K 72” 11.0” 12.5”
NOTE: Actual axle spacing can depart from nominal due to axle slant requirements. Final axle spacing can vary by more than an inch from nominal in some cases. If precise axle spacing is critical due to body installation or state/local regulatory requirements please contact Kenworth Applications/technical Support for assistance.
Laden Ride
Height
Unladen Ride
Height
3-41
2/17
Page 64
Section 3
Dimensions
LIFT AXLES (PUSHERS AND TAGS)
The rear pusher axle layouts are provided as a tool to help layout bodies prior to arrival. The applicable dimensions are shown. When using the pusher layouts to determine available frame space please be aware that clearances required are not shown. For information that may not be detailed in these drawings work with your local Kenworth Dealer to request that information.
Kenworth will automatically install highest lift axle kit as applicable based on chassis frame height and loading conditions. Lift axle available run range it utilized, along with frame height and lift axle tire size to identify applicable kits that can be installed. Installing highest lift axle kit will maximize ground clearance when axle is in lifted state. If needed, kit may be lowered in order to clear driveline when in lifted state.
Watson & Chalin 8K Steerable (SL0893SSR)
Watson & Chalin 10K Steerable (SL1093SSR)
/
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Page 65
Section 3
Dimensions
Watson & Chalin Tru Track Alumilite 13.5K Steerable (SL1190SSR)
/
Watson & Chalin Tru Track 20K Steerable (SL2065)
/
3-43
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Section 3
Dimensions
Watson & Chalin 23K Steerable (SL2200) *Use with Duals Only*
Watson & Chalin 23K Non-Steerable (AL2200)
2/17
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Page 67
Section 3
Dimensions
AXLE TRACK AND TIRE WIDTH
The dimensions provided in this section are representative of some typical product combinations. The purpose this sec­tion is to demonstrate some of the typical dimensions.
Axle Track: The distance between the dual tire centerlines on a dual tire arrangement or the distance between the tire centerlines on a single tire arrangement.
Width: The distance over the outermost tire sidewall to sidewall.
These dimensions may be signicant to the following:
Appearance relative to other tires and chassis mounted equipment.
Load carrying capacity. Different wheel disc offset can have a positive or negative impact on the axle carry­ing capacity of the axle.
TABLE 3-18. Axle Width Calculation.
Axle - Drive Wheel Tire Conguration
Meritor RT46-160(P)(EH) 46K Dual
Dana Spicer D46-170(H)(P) 46K Dual
Meritor RT46-160(P)(EH) 46K Dual
Dana Spicer D46-170(H)(P) 46K Dual
Meritor RT46-160WT(P)(EH) 46K Dual Wide Track
Dana Spicer D46-170W(H)(P) 46K Dual Wide Track
Meritor RT46-160WT(P)(EH) 46K Dual Wide Track
Dana Spicer D46-170W(H)(P) 46K Dual Wide Track
Dana Spicer D46-170(H)(P) 46K Dual
Meritor RT46-160(P)(EH) 46K Dual
Meritor RT46-160WT(P)(EH) 46K Dual Wide Track
Dana Spicer D46-170W(H)(P) 46K Dual Wide Track
Alcoa 88367
22.5X8.25
Alcoa 98363
24.5X8.25
Alcoa 88367
22.5X8.25
Alcoa 98363
24.5X8.25
Alcoa 82262
22.5X12.25
Alcoa 82262
22.5X12.25
Track
Dim “A”
11R22.5 4-4 73.3" 97.8"
11R24.5 4-4 73.6" 98.0"
11R22.5 4-4 79.2" 103.7"
11R24.5 4-4 79.5" 103.9"
425/65R22.5 2-4 72.7 88.9"
425/65R22.5 2-4 78.7" 94.9"
Overall Width
Dim “B:
3-45
TABLE 3-18 CONTINUES ON NEXT PAGE…
2/17
Page 68
Section 3
Dimensions
TABLE 3-18 CONTINUED
Axle - Steer Wheel Tire
Meritor MFS13 Std Track
Dana Spicer E-1322I 13.2K
Meritor MFS13 Wide Track
Dana Spicer E-1322W 13.2K
Meritor MFS20 Std Track
Dana Spicer D2000 20K
Meritor MFS20 Std Track
Dana Spicer D2000 20K
Lift Axle Model Wheel Tire
W&C SL0893SSR 8K Steerable
W&C SL1093SSR Steerable 10K
W&C SL1190SSR Steerable 13.5K
W&C SL2065 Steerable 20K
W&C SL2200 Steerable 23K
W&C AL2200-STD Track Non-Steerable 23K
W&C AL2200-STD Track Non-Steerable 23K
W&C AL2200-Wide Track Non-Steerable 23K
W&C AL2200-Wide Track Non-Steerable 23K
Alcoa 98363
24.5X8.25
Alcoa 98363
24.5X8.25
Alcoa 82362
22.5X12.25
Alcoa 82462
22.5X12.25
Alcoa 66480
17.5x6
Alcoa 77349
19.5x7.5
Alcoa 88367
22.5x8.25
Alcoa 82362
22.5x12.25
Alcoa 88367
22.5x8.25
Alcoa 88367
22.5x8.25
Alcoa 82362
22.5x12.25
Alcoa 89465
22.5x9
Alcoa 84362
22.5x14
Brake Drum
Type
11R24.5 CAST 80.2" 91.0"
11R24.5 CAST 82.2" 93.0"
425/65R22.5 CAST 86.5" 102.7"
425/65R22.5 CAST 82.6" 98.8"
Wheel
Orientation
215/75R17.5 Same as FR 77.3" 85.8"
265/70R19.5 Same as FR 78.5" 88.5"
255/70R22.5 Same as FR 80.4" 90.7"
425/65R22.5 Same as FR 83.6" 99.8"
295/75R22.5
11R22.5
425/65R22.5
315/80R22.5
445/50R22.5
Same as RR,
dual
Same as RR,
dual
Same as RR,
single
Same as FR,
single
Same as RR,
single
Track
Dim “A”
Track
Dim “A”
78.2" 102.8"
72.2" 96.6"
78.4" 94.7"
64.7" 77.3"
80.6" 97.7"
Overall Width
Dim “B:
Overall Width
Dim “B”
2/17
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Page 69
Section 3
Dimensions
GROUND CLEARANCE
This information is provided as a reference, not all optional equipment is included. In order to calculate the height on your
specic chassis, please use the ride height information provided on page 3-14. For comparison the FS value shown is
11.4” unladen and 10.4” laden.
TABLE 3-19. Ground Clearance for Fuel Tanks
Front
Suspension
20K
Taperleaf
Spring
Front Tires
425/65R22.5
Rear
Suspension
Hendrickson
HMX 460
17.5”
Saddle
Height
Rear Tires
11R24.5
Fuel
Tank
Size
22”
Diameter
24.5”
Diameter
28.5”
Diameter
Dimension “B”
Dimension “A”
Component
Fuel Tank 16.3 17.2 14.9
DEF Tank 15.3 18.2 15.9
Fuel Tank 18.2 15.3 13
DEF Tank 15.8 17.7 15.4
Fuel Tank 21.4 12 9.7
DEF Tank 17.2 16.2 13.9
Distance from
Bottom of
Frame Rail (in)
Ground Clearance
(in)
Unladen Laden
3-47
2/17
Page 70
Section 3
Dimensions
TABLE 3-20. Ground Clearance for Battery Boxes
Dimension
“A”
Front
Suspension
20K Taper­leaf Spring
1
Dimensions shown are for daycabs with high route exhaust. Sleeper ground clearance is reduced by 1.3 inches.
Front Tires
425/65R22.5
Tires
Rear
Suspension
Hendrickson
HMX 460
17.5” Saddle Height
Rear Tires Component
Battery Box
with Air Tanks
Vocational
11R24.5
Battery Box
with Air Tanks
DPF1 Box 15.6 17.8 15.5
Distance
from
Bottom of
Frame Rail
(in)
17.3 16.2 13.9
17.8 15.7 13.4
Dimension “B” Ground
Clearance (in)
Unladen Laden
2/17
3-48
Page 71
Section 4
PTO Mounting & Programming
4-1. PTO MOUNTING
PTOs
Power Take-Offs (PTOs) are mechanical gearboxes that attach to transmissions, or are attached to the front of the engine (FEPTO), rear of the engine (REPTO) or mounted between the driveline (split shaft PTO). They are used to transfer the power of the vehicle engine to auxiliary components, most commonly a hydraulic pump.
Manual/automated-manual transmission mounted PTOs
This is the most common type of PTO. On a manual transmission there are two locations for PTO’s: on medium duty trans-
missions there are 6 bolt PTO locations on the right and left (gure X.1 below); on heavy duty manual transmissions there is a 6 bolt PTO on the right and an 8 bolt PTO on the bottom left (gure X.2 below). There are also options for a thru-shaft
or extended countershaft PTO. On a thru shaft PTO, the counter shaft extends out through the back of the transmission
which can be used to power a PTO (gure X.3 below). When using a thru-shaft PTO the vehicle must be spec’d with the
correct option since not all transmissions will be set up for use with thru shaft PTO’s. For more information go to www. roadranger.com and enter “PTO Installation Guide” in the search bar in the upper right corner.
FIGURE 4-1. Medium Duty Manual Transmission PTOs
FIGURE 4-2. Heavy Duty Manual Transmission PTOs
4-1
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Page 72
Section 4
PTO Mounting & Programming
FIGURE 4-3. Thru-Shaft PTO
Automatic transmission mounted PTOs
On Allison transmissions there are two locations for PTO’s. The Allison 4000 series has PTO locations at 1 and 8 o’clock viewed from the back of the transmission. The 4000HS transmissions do not have any PTO locations. The 3000 series Al­lison transmissions have PTO locations at 4 and 8 o’clock. For more information on using PTO’s with an Allison transmis­sion go to www.allisontransmission.com and refer to the “Rugged Duty Series Brochure” and “PTO Request Flyer” which is
available in a 1000/2000 version and a 3000/4000 version.
FIGURE 4-4. Allison 4000 Series Transmission PTO Locations
FIGURE 4-5. Allison 3000 Series Transmission PTO Locations
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Page 73
Section 4
PTO Mounting & Programming
Rear engine PTOs
Rear Engine PTO (REPTO) is commonly used in cement mixer and feed lot applications. The REPTO is driven off the rear
gear train on the engine. There is an SAE 1350/1410 companion ange for REPTO on the bell housing in the 1 o’clock
position that can be used to attach a hydraulic pump or driveshaft.
FIGURE 4-6. REPTO Location Shown
The REPTO ange will always be turning when the engine is running and the output rotation is the same as the engine. The Cummins ISL9 and PX-9 REPTO turns at a rate of 1.15:1. The Cummins ISX12 REPTO turns at a rate of 1.32:1. The PACCAR MX-13 REPTO turns at a rate of 1.2:1 and PACCAR MX-11 REPTO turns at a rate of 1.3:1.
4-2. PTO TELLTALE:
With key switch to “RUN” position, all the telltale icons will turn on briey. PTO icon below will be illuminated green to the
left side of the Driver Performance Center.
FIGURE 4-7. PTO Icon
If the factory did not install the PTO or did not install the PTO pre-wire (T680-T880) you may have to install wiring from the PTO engagement switch to the instrument panel harness to illuminate this icon. To do this:
Your dealer will have access to your truck’s Instrumentation diagram. That drawing will have a picture of the cluster and
will help identify how to turn on the PTO ICON you saw doing the key switch test above.
4-3
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Page 74
Section 4
PTO Mounting & Programming
FIGURE 4-8. PTO Telltale Location
The standard telltale card has a GREEN PTO icon in position #2 (shown above). To activate this icon, locate where (6) RED, GREEN and YELLOW labeled 2-way connectors are taped to the instrument panel harness on the left side of the cup holder. One of these 2-way connectors has a GREEN label with the text “EDITABLE TELLTALE #2 P025”. A gray wire goes to pin 2 of this connector. When that gray wire is grounded the PTO icon will turn on. No programing is needed,
and it can be easily tested before wiring with a ground wire jumper (reference Section 9: Electrical for new telltale light connector information).
Eaton Automated Transmission PTO Signal:
If a PTO is installed in an Eaton automated transmission the automated transmission controller also needs to know when the PTO is engaged. If factory-installed, a relay will be present sending a signal to the Eaton transmission controller that the PTO is engaged. (reference Section 9: Electrical for new PTO/Transmission electrical interface information).
FIGURE 4-9. Relay Wiring Diagram
Engine PTO Signal:
The engine also needs to know when the PTO is engaged to allow different idle speeds and record PTO run time. There
is an optional REMOTE PTO/THROTTLE connector on the engine harness. It is a 12-pin Deutsch connector (Deutsch P/N DT06-12SA-P012) located on-engine (reference Section 9: Electrical for location of connector).
This connector is pinned differently depending on engine. Below are the pin outs for 2013+ emission engines.
2/17
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Page 75
FIGURE 4-10. 2013+ MX-11 and MX-13 Pin-Out
Section 4
PTO Mounting & Programming
For the MX engines pin 5 is the PTO signal. This signal needs to be +12V. Since the PTO engagement switch is a ground side switch, a relay needs to be added to provide the correct input to the engine ECU.
NOTE
Hardwired remote throttle input has a voltage range of .75V to 4.25V. Any input above or below
this range will trigger hi or low faults
2013+ Cummins ISX15, ISX12, ISL, PX-8
FIGURE 4-11. 2013+ ISX15, ISX12, PX-9 Pin-Out
For the Cummins engines pin 5 is the PTO signal. This signal needs to be low signal. Since the PTO engagement switch is a ground side the PTO switch can be wired directly to pin 5.
4-5
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Page 76
Section 4
PTO Mounting & Programming
PTO WIRING DIAGRAM
FIGURE 4-12. PTO Wiring Diagram
2/17
4-6
Page 77
Section 4
PTO Mounting & Programming
Application of +12V to pin 2 of the P198 connector will put the engine into PTO mode and illuminate the dash
PTO telltale light (if equipped)
PTO hardwired controls should be connected at the J197 or P198 connectors
If vehicle is not equipped with P201 connector it may be necessary to make your own harness to connect to
P198
If vehicle is not equipped with J197 or P198 connectors, PTO hardwired controls should be connected directly to the P111c connector
Layout and population of 40-Way Snow Plow/PTO Relay will differ depending upon PTO sales code, transmis­sion type and vehicle model
Troubleshooting:
For sporadic or inconsistent PTO performance: Check and replace the 10A fuse in location “E9” and 20A fuse in location “N9” in the Power Distribution Center (PDC) on the engine side of the rewall in front of the driver. If these fuses are blown there will not be +12V power at pin 7 or 11 of the Remote Throttle Connectors (P111C or P197)
For sporadic or inconsistent PTO performance: Check that relays and fuses in the 40-Way Snow Plow/PTO Relay Box are
present and not loose.
4-7
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Page 78
Section 4
PTO Mounting & Programming
4-3. PTO CLEARANCES
The following visuals are provided to help aid in determining PTO locations and clearances. For specic dimensions please work through your local Kenworth dealer. Note: Installations depict multiple PTOs.
In order to ensure the PTO area remains clear of air equipment, electrical and emissions equipment, Kenworth recom­mends always ordering PTO controls, even when installing the PTO aftermarket. Kenworth does offer a variety of factory installed PTOs. Contact your local dealer for assistance.
Manual Transmission:
2/17
4-8
Page 79
Allison Transmission:
Section 4
PTO Mounting & Programming
4-9
2/17
Page 80
Section 4
PTO Mounting & Programming
4-4. T680/880 TRANSMISSION PTO APPLICATION GUIDE
This application guide indicates if a PTO has sufcient clearance to truck components in various mounting congurations. A green “ok” indicates that there is sufcient clearance to other truck components. A red “x” indicates that there minimal
or no clearance and the application is not recommended. The truck components investigated in this guide include frame rails, Set Back Front Axle (SBFA) rear shackle, SBFA Front Air Suspension (FAS) rear shackle, over-bell frame brace, coolant return manifold, transmission clutch actuator, and exhaust system components.
Usage Notes:
1. This application guide is only applicable to T680/880 trucks.
2. Only the specied PTO congurations have been analyzed. Please submit an OAR to review other models and/or congurations.
3. Horizontal crossover exhaust limits access behind PTO’s for shaft drives and other PTO attachments.
4. Fuel tank cross bracing may interfere with PTO’s and/or PTO attachments (such as hydraulic pumps). If this is an issue, the cross brace may be moved to an alternate fuel tank support. “
5. Eaton FR transmissions require the use of a 30° adapter when installing Chelsea or Muncie transmission
PTO’s in the right hand position.
6. Eaton RT & Ultrashift Plus transmissions require the use of a 49° adapter when installing Chelsea transmis- sion PTO’s in the right hand position.
7. Eaton RT & Ultrashift Plus transmissions require the use of a 55° adapter when installing Muncie transmission PTO’s in the right hand position.
8. Eaton transmissions require the use of a 6 to 8 Bolt adapter when installing a 6 bolt PTO in the bottom position.
2/17
4-10
Page 81
10-Bolt PTO’s for Allison Transmissions
TABLE 4-1.
Section 4
PTO Mounting & Programming
4000 Series
Brand PTO Truck Model 1 o’clock 8 o’clock 1 o’clock 8 o’clock 4 o’clock 8 o’clock
267-M3XK All x x ok x x x
267-M5XK All ok ok ok x ok ok
T680/880 ok ok ok x ok ok
T680SH/880SH ok x ok x ok ok
T680/880 ok x ok x ok ok
T680SH/880SH ok x ok x x ok
T680/880 ok x ok x ok ok
T680SH/880SH ok x ok x x ok
T680/880 ok ok ok x ok ok
T680SH/880SH ok ok ok x x ok
T680/880 ok x x x ok x
T680SH/880SH ok x x x ok ok
Chelsea
Muncie
277-B5XS
859-B5XS All ok x x x x x
870X-B3RS All ok x ok x x x
870X-B5RS All ok x ok x x x
890-B5XS All ok x ok x x ok
CD05-M3CX All ok ok ok ok ok ok
CD10-M1CX, DX
CD10-M3CX, DX
CS10-P1CX, EX All x x x x x x
CS10-P3CX, EX All x x x x x x
CS24-P1BX, KX All ok x ok x x x
CS24-P3BX, KX
CS41-P1CX, EX All ok x x x x x
CS41-P3CX, EX All ok x x x x x
HS24-P1BX, KX
HS24-P3BX, KX All ok ok ok x x ok
3000 Series -
1 & 8 Housing
3000 Series -
4 & 8 Housing
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Section 4
PTO Mounting & Programming
6 & 8 Bolt PTO’s for Eaton Transmissions
TABLE 4-2.
FR RT Ultrashift Plus
Brand Style PTO Bottom Right Bottom Right Bottom Right
230-V3XD/XK ok ok1,2,3 ok ok1,2,3 ok ok1,2,3
Recomend
238
Recomend
489
Recomend
680
Recomend
CS8
Chelsea
6-Bolt
8-Bolt
236-V3XD/XK
270-B3XD/XK ok ok1,2,3 ok ok1,2,3 ok ok1,2,3
340-V5XD ok ok1,2,3 ok ok1,2,3 ok ok1,2,3
442-V3XK
660-V3XK
238-V3XD/XK ok n/a ok n/a ok n/a
489-V3XK ok n/a ok n/a ok n/a
680-V3XK ok n/a ok n/a ok n/a
823-V3XS ok n/a ok n/a ok n/a
880-V3XS/XV4 ok n/a ok n/a ok n/a
885-V3XS4 ok n/a ok n/a ok n/a
CS6-P1BX/KX
ok1,2,3
ok1,2,3
ok1,2,3
ok1,2,3
Recomend
238
Recomend
489
Recomend
680
Recomend
CS8
ok1,2,3
ok1,2,3
ok1,2,3
ok1,2,3 x ok1,2,3
Recomend
238
Recomend
489
Recomend
680
ok1,2,3
ok1,2,3
ok1,2,3
6-Bolt
Muncie
8-Bolt
NOTES:
1) Not available with AG130 Front Air Suspension
2) Not available with Horizontal Crossover or Right Hand Behind Fairing Exhaust Systems
3) Restricted PTO access with RH Cab Step Assembly DPF-SCR exhaust systems with Vertical BOS tailpipes or RH Hori­zontal Tailpipe below rail
4) The Optional Hydraulic Clutch Orientation must be used with this PTO
SH6-P1BX/KX
TG6-P1BX/KX
828S-U1CX/EG ok n/a ok n/a x n/a
CS8-P1BX/KX ok n/a ok n/a ok n/a
SH8-P1BX/KX ok n/a ok n/a ok n/a
TG8S-P1BX/KX ok n/a ok n/a ok n/a
Recomend
SH8
Recomend
TG8
ok1,2,3
ok1,2,3
Recomend
SH8
Recomend
TG8
ok1,2,3 x ok1,2,3
ok1,2,3
Recomend
TG8
ok1,2,3
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PTO Mounting & Programming
Dual PTO Compatibility for Eaton Transmissions
TABLE 4-3.
Chelsea Muncie
RH (6-Bolt) PTO’s
RT FR Ultrashift+ RT FR Ultrashift+
Section 4
Model
230/236-V3
340X-V5
442/660-V3
230/236-V3
340X-V5
442/660-V3
340X-V5
230/236-V3 S S S S S S ok ok 828S-U1 S S S S ok ok
238-V3 S S S S S S ok ok CS/SH8-P1 S S S S
340X-V5 S S S S S S ok ok TG8S-P1 S S S S ok ok
442/660-V3 S S S S S S ok ok
489/680-V3 S S S S S S ok ok
823-V3 S S S S S S ok ok
880-V3 x x O x O x ok ok
LH (6 & 8-Bolt) PTO’s
885-V3 x x O x O x ok ok
S = Standard Hydraulic Clutch Actuator Conguration O = Optional Hydraulic Clutch Actuator Conguration
Model
442/660-V3
CS/SH6-P1
TG6-P1
CS/SH6-P1
TG6-P1
CS/SH6-P1
ok ok
TG6-P1
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PTO Mounting & Programming
HYDRAULIC CLUTCH ACTUATOR CONFIGURATIONS:
Only used with T680/T880 trucks with Eaton FR or RT transmissions
The Clutch Actuator Conguration is driven by the PTO informational sales codes. There is not a specic sales code which species the conguration.
Standard Conguration Optional Conguration
Air assist connection faces driver’s side Air assist connection faces passenger’s side
Used with All but Chelsea 880 and 885 PTOs Used with Chelsea 880 and 885 PTOs
4.5 PTO CONTROLS:
The T680/880 models have been designed to use electric in-dash switches to control air solenoids (Electric Over Air sys­tem, or EOA) which engage/disengage transmission PTOs. This system allows for increased control and interlock oppor­tunities. This also keeps air lines for transmission PTO controls from routing inside the cab. In cab air valve actuators for
transmission PTO control are still available and are located on the cab oor on the LH side of the driver’s seat. Air valve style transmission PTO actuators should not be installed on the dash due to the difculty of air-line routing. Customer in-
stalled transmission PTO controls for use with customer installed transmission PTO’s include a chassis and dash harness pre-wire to ease the installation of in-dash transmission PTO controls at the body builder. It is strongly recommended that the truck be coded for this if transmission PTO(s) could be installed after initial in-service date.
The EOA system is used to control PTO engagement. There are three different types of PTOs supported in the EOA software:
Single-Acting PTOs – these types of PTOs have a single air control. A single chassis node output controls the air sole­noid, tand the air pressure engages the PTO – the lack of air pressure at the control port disengages the PTO.
Double-Acting PTOs – these types of PTOs have a dual air control. One air signal controls the engagement and one air signal controls the disengagement. This can be achieved in one of two ways:
A single-acting PTO is congured – the engage air control port is connected to the chassis node output and a
pilot inversion valve in the chassis air plumbing is connected to the second disengage air control port.
Two chassis node outputs control the PTO. One chassis node output and solenoid is connected to the engage air control port of the PTO, and one chassis node output and solenoid is connected to the disengage air control port.
Reversible PTOs – have three different operational states. Inactive – not engaged to driveline (no air control ports active).
Main direction –engaged to driveline (main air control port pressureized). Opposite direction –engaged to driveline (oppo­site air control port pressurized). If the vehicle is specied with a pTO installation from the factory, a protected PTO on/off
switch will be used. It will connect to the instrument panel harness ith a switch connector labeled “EOA x” x eing a number between 1 and 10.
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PTO Mounting & Programming
PTO Functionality Description
Power Take-Off (PTO)
The PTO category covers both ‘Single-Acting’ and ‘Double-Acting’ PTOs. Single-acting PTOs require air pressure on the
input cylinder to activate the function and will deactivate via an internal spring when air pressure is removed; air-on/spring-
off. Dual-acting PTOs require air pressure an input cylinder to activate and air pressure on a different input cylinder to
deactivate; air-on/air-off. This information is provided for additional clarication since the system appears identical from an
electronics-control aspect.
The PTO type depends on the actual brand and part number. Most examples in this document show double-acting. When­ever any PTO is engaged, a feedback signal will activate a single cluster telltale.
FIGURE 4-13. Single Acting and Dual Acting PTOs
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TABLE 4-4. Current single-acting PTOs include:
Model Supplier Mounting Hyd. Clutch Actuator Actuator Type
238/489/680 Chelsea
CS/SH/TG8 Muncie
885 Chelsea Optional Single
230/236/442/660 Chelsea
CS/SH/TG6 Muncie
TABLE 4-5. Current double-acting PTOs include:
Model Supplier Mounting Hyd. Clutch Actuator Actuator Type
823 Chelsea
828 Muncie
340 (reversible)
880 Optional Double
340 (reversible)
541 Back Any
Chelsea
Chelsea
Bottom
RH Standard Single
Bottom
RH Standard
Standard Single
Standard Double
Double
Eaton Transmission-Mounted PTO
When a PTO is ordered on an Eaton brand transmission it is controlled with EoA System. The PTO can be a single-acting
or double-acting and have one or two PTOs attached to the transmission. Optional park brake interlocks are available via sales codes.
All PTOs have an engaged feedback signal that is routed to the cluster to illuminate a PTO. When any PTO is actively
engaged the cluster telltale will illuminate.
Figure 4-14 shows the system diagram for a single-acting Eaton mounted transmission PTO. Signal ow is as follows:
The dash switch labelled “PTO Switch #1” is activated by the user.
The signal is received by the CECU and the optional interlocks are checked and veried.
The Chassis Node receives a multiplexed CAN message to activate and send a power signal to the appropri-
ately assigned solenoid.
The solenoid activates and allows supplied air pressure to ow to the piped PTO port.
The PTO activates and the ball switch closes sending a hardwired signal.
The CECU and Engine ECM received this signal.
The CECU sends a CAN message to the Cluster to activate the PTO telltale and the Engine changes state to
“PTO Mode”
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Section 4
PTO Mounting & Programming
FIGURE 4-14. Single-Acting Eaton PTO
The signal ow is the same for double-acting PTOs. The difference is that an inversion dump valve provides air pressure to
the “off” port when the EoA solenoid is not being command on.
FIGURE 4-15. Double-Acting Eaton PTO
Allison Transmission-Mounted PTO (a.k.a. Electric-Over-Hydraulic)
When a transmission PTO is ordered on an Allison brand transmission, it is always Electric-over-Hydraulic (EoH). From
the controls aspect, it looks like an “electric-only” type switch. The switch and telltales do not distinguish the difference between EoH and EoA.
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PTO Mounting & Programming
FIGURE 4-16. Allison Transmission-Mounted PTOs
Transmission PTO with Auto Suspension Dump/Inate
This feature requires Air Suspension Dump functionality. Upon PTO activation, if not already dumped, the NAMUX system will command the air suspension to deate (“dump”) before the PTO is engaged. When the PTO switch is deactivated the air suspension will re-inate. This feature is an optional sales code, but coded standard on some applications; such as
those with boom cranes.
With Allison transmission mounted PTOs the CECU EoA system does not directly know when the PTO is active since the switch is wired directly to the TCM. In this case, the ECM is broadcasting a CAN messages indicating that the engine is in PTO Mode. This is used as a proxy for the CECU to know when the PTO is active.
For Eaton mounted PTOs all functionality occurs within the CECU. When either the PTO switch is activated or the CECU receives a message that the ECM is in PTO Mode CECU will begin the Auto Suspension Dump functionality. First, the CECU checks applicable interlocks. If appropriate, it will send a CAN message to the Chassis Node requesting PTO sole-
noid activation and Suspension Dump activation.
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PTO Mounting & Programming
FIGURE 4-17. Auto Susp Dump w/ Allison mtd PTO
Reversible PTO (a.k.a. Fwd/Rev PTO, a.k.a. 2-Position PTO)
Some transmission-mounted PTOs have two directions of spin. The Reversible PTO switch (3-position switch) provides two CECU inputs for forward & reverse and there are two non-latching solenoids pressurizing two single-acting cylinders on the PTO, see the gure below.
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PTO Mounting & Programming
FIGURE 4-18. EoA Reversible PTO Example
PTO States
Forward Reverse OFF
Fwd X
Ports
Rev X
TABLE 4-6. Reversible PTO States to Ports
Non-EoA Air Actuated PTOs
NGP models do not offer air controls mounted on the dash. In cases where the customer must have air controls, they are mounted on the oor or side of seat. The block diagram is shown in Figure 4-19.
FIGURE 4-19. Air Actuated PTO (No Interlock)
PTO (Split-Shaft, Transfer Case, etc.)
Split-shaft PTOs are gearboxes between the transmission and rear axles. Much like transmission mounted PTOs, they
take driveline power from the transmission and divert it (“take it off”) to equipment such as pumps, winches, etc. Where they differ is split-shaft PTOs are not mounted to the transmission and can handle signicantly more power and torque
than a traditional transmission-mounted PTO.
These gearboxes have a few different congurations; some split-shaft PTOs have a single pneumatic cylinder that simulta­neously declutches the rear axle when activating the PTO,
Figure 4-20. This is known as “Pump Mode”. Other split-shaft PTOs have independent controls for PTO engagement and
rear axle declutch. This allows the drive while the PTO is running. Others have an additional PTO output pad that is sepa­rate from the main PTO output gear.
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PTO Mounting & Programming
Transmission mounted PTOs, split-shaft PTOs, and non-EoA controlled PTOs are not exclusive to the type and can be
combined in nearly any conguration.
When the Rear Axle Declutch function is active a positive feedback signal activates a telltale in the cluster editable area. The PTO active telltale is the same a transmission mounted PTO, see Figure 4-20.
FIGURE 4-20. Rear Axle Declutch Telltale
Figure 4-21 shows an example conguration where the customer has ordered a SS PTO with separate switches for Rear
Axle Declutch.
FIGURE 4-21. Split Shaft PTO Example #1
Split shaft PTO applications must be congured using one of the following control methods
In-cab controls with pedal
BCAN Remote control
TSC1 Remote control
For vehicles equipped with an automatic transmission; it will be necessary to consult the transmission manufacture’s con­guration documentation:
Allison 5th Generation Controls 1000/2000/3000/4000 Product Families - Controls Installation Manual
or
Eaton PTO Information Guide
Troubleshooting: For split shaft applications with Eaton UltraShift Plus transmissions it may need to see a torque request
before it will go into gear. This can be done by “blipping” the accelerator pedal
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PTO Mounting & Programming
Split-Shaft PTO - Pump Mode
When the PTO controls are specied/congured to have a single switch controlling both the PTO Engage and Rear Axle Declutch it is called “Pump Mode.” The controls and air piping architecture pressurizes the ports such that the PTO is engaged and rear axle declutched at the same time. This is a common term used in the industry. When engaged, two
separate telltales will illuminate (from actual wired feedback) indicating the state of both PTO and Rear Axle Declutch. Park Brake must be engaged to activate Pump Mode, if not, a popup message on the cluster will appear telling the driver to do so.
Note that the functions themselves are not unique. Controlling both functions with a single switch is convenient and offers
additional interlocks. Positive feedback signals activate a PTO and Rear Axle Declutch telltales within the cluster editable telltale area.
In the example below, a Pump Mode conguration is shown with dual-acting PTO ports. Notice that this is similar to Figure 4-21 except the Rear Axle Declutch cylinder is plumbed to activate/deactivate at the same time with the PTO engage
switch.
FIGURE 4-22. Pump Mode Example
4-6. ELECTRIC OVER AIR SYSTEM INTERLOCKING
By utilizing the Cab ECU to control the EOA system, the EOA switching has capabilities to be interlocked with other func­tions such as park brake application, vehicle speed, neutral gear selected, or a combination of these functions. Switch
activation will only occur if the interlock criteria are met. If the Cab ECU detects the switch is in the on position and if applicable, the park brake interlock is validated by the Cab ECU, the Cab ECU will send a signal to the chassis node via F-CAN. The EOA valve will be the same number as on the dash switch. Electronic Service Application (ESA) can be used
to add or remove the PTO engage park brake interlock. Depending on the application and the PTO type, the switches and wiring may differ.
For single-acting PTOs, the chassis node will energize the coil on the EOA valve allowing air to engage the PTO.
For dual-acting PTOs, the PTO’s pilot valve will provide the air function to switch the air between engage and disengage.
For reversible PTOs, a three-position switch is utilized and each direction is protected for forward and reverse functionality.
Each position controls a separate EOA solenoid, dedicated to either forward or reverse.
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Section 4
PTO Mounting & Programming
FIGURE 4-23. Sample Chassis Node and EOA Manifold. (congured to match Figure 4-24)
4-23
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Section 4
PTO Mounting & Programming
FIGURE 4-24. Wiring Diagram for Chassis Node, Cab Switches, and EOA Manifold. (congured to match Figure 4-23)
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Section 4
PTO Mounting & Programming
4-7. PACCAR MX ENGINES - PTO PROGRAMMING:
Acronyms and Abbreviations
BBM Body Builder Module
B-CAN Body Builder CAN
CAN Controller Area Network signal dened by SAE J1939
CECU Cab Electronic Control Unit
DAVIE DAF advanced vehicle investigation equipment
ESA Electronic Service Analyst, a PC based diagnostic service tool that supports Kenworth multiplexed
cab electronics
V-CAN Vehicle CAN
PEP PACCAR Engine Pro
PTO Power Take Off
Introduction
This section is intended to be used in conjunction with the PACCAR MX Programming Guide. There are a number of parameters that must be set to enable PTO functionality on PACCAR MX Engines. The MX Programming Guide explains how to set these parameters for your application in section 12 “
This section explains how to congure trucks with MX engines in one of the four PTO options as listed below:
1. Stationary In-cab PTO control
2. Mobile In-cab PTO control
3. Stationary Remote PTO with hardwired control
4. Stationary Remote PTO control over BCAN
5. Stationary Remote PTO with TSC1 control
Depending on the conguration used, it may require one or more of the following:
1. Electrical Wiring Installation
2. Reprogramming of MX Engine using PEP and DAVIE
3. Reprogramming of CECU using ESA
This section explains only the parameter congurations that are specic to one of the four options listed above. There are a number of common parameters that must be congured which are explained in section 12 “Power Take-Off Engine
Speed Control (PTO Mode)” of the MX Programming Guide.
Power Take-Off Engine Speed Control (PTO Mode)
”.
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Section 4
PTO Mounting & Programming
4-7.1. PTO Controls Utilizing TSC1 Messaging
DISCLAIMER: PACCAR is not responsible for equipment damage or personal loss related to accidental or intentional misuse of TSC1 functionality
TSC1 control is only available for “Remote Without Pedal” sales code
TSC1 control is only available for stationary PTO applications
See PACCAR MX Engine Programming Guide for necessary ECU conguration for TSC1 PTO control
See J1939 wiring interface information under Section 9 – Electrical. Both under-dash and engine locations are
acceptable for customer interface
TABLE 4-7. PACCAR PTO TSC1 Message Requirements
PTO
Priority: 0x6 PGN: 0xFEF0 SA: 0x24 hex Destination: Not specic Rx Rate: 100ms
CAN bus: VCAN (250k) SPN: 980 (PTO on/off switch for CAN based switch operation)
-TSC1_E
Priority: 0x3 PGN: 0x0000
SA: 0x24 Destination: Specic (0x00) Rx Rate: 10ms *
CAN bus: VCAN (250k)
SPN: 695 (engine override control mode) SPN: 696 (Engine requested controls condition) SPN: 897 (OCM priority) SPN: 898 (Engine requested speed limit) SPN: 518 (Engine requested Tq. Limit) SPN: 3349 (TSC1 transmission rate) = 0x07 SPN: 3350 (TSC1 Control purpose) = 0x02 (P3_PTO governor) SPN:4191 (Engine requested Tq – hi res) SPN:4206 (Message counter)
Broadcast values 0x00 – 0x07 incrementally and wrapping around back to 0x00.
SPN: 4207 (Message Checksum)
0x0F may be sent to bypass the checksum function. This may be acceptable for PACCAR, but in the event that it is de­cided the checksum must be used, it is calculated as follows:
MessageChecksum = ((((Checksum>>6) & 03n) + (Checksum >> 3) + Checksum) & 07n
Where Checksum is calculated as:
Checksum = (Byte1 + Byte2 + Byte3 + Byte4 + Byte5 + Byte6 + Byte7 Message Counter & 0Fn + Mes-
sage Identier byte0 + Message Identier byte1 + Message Identier byte2 + Message Identier byte3)
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PTO Mounting & Programming
*As far as message rates are concerned, PTO should always be sent from the body builder controller at 100ms. The TSC1
message must be sent at 10ms when the OCM (SPN 695) is broadcast at 0x1,0x2,or 0x3. If the last broadcast was OCM
= disabled (0x00) then the message no longer needs to be sent at 10ms until the next time it is required. This is preferred
to minimize bus loading.
WARNING
All congured PTO safeties, limits and interlocks will be observed if the prescribed message for­mat is followed. Using messages or format other than the PACCAR PTO TSC1 Message Require-
ments may result in unexpected vehicle and equipment behavior.
If customer BBM is not powered on at ignition key on a low rate fault CECU conguration is not
necessary for standalone TSC1 PTO control
4-7.2 Remote PTO Control over VCAN with TSC1 Customer-Installed Body Builder Module
FIGURE 4-25.
If using TSC1 PTO control and an in-cab PTO ON/OFF switch is required the CECU must be congured ac­cording to cab hardwired control as described in section 4, table 4-7 and Figure 4-25
If using an in-cab PTO ON/OFF switch t is still necessary to send the a CAN PTO ON message on VCAN to
make the engine enter PTO mode (See PACCAR PTO TSC1 Message Requirements for details)
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Section 4
PTO Mounting & Programming
4-7.3 Remote PTO Control over VCAN with TSC1 Customer-Installed Body Builder Module
FIGURE 4-26
If PTO telltale light is desired, utilize the P198 connection. See Section 9 Electrical for further information
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4-7.4. In Cab PTO Control
Section 4
PTO Mounting & Programming
FIGURE 4-27. In-Cab PTO Control for T680/T880
To activate In-Cab PTO Control, there is a PTO switch in the cab that needs to be turned ON by the operator. This PTO ON/OFF switch is hardwired to the CECU which activates the PTO equipment. The PTO engagement feedback signal wire must be connected to CECU and Engine as shown in the diagram. Refer to “Electrical” section of this manual for more
information on wiring.
When the PTO switch is ON and the engine receives signal that PTO is engaged, the engine changes its state to “PTO Mode” and the CECU will activate the PTO telltale on the cluster. For more information on engine behavior in PTO mode, please refer MX Programming Guide.
The engine speed in PTO Mode can be controlled by the cruise control switches or the accelerator pedal inside the cab
depending on how the MX Engine is congured. This is explained in Section 1.2 in the BBM. Refer to the MX programming
guide for further details on engine speed control in PTO Mode.
4-7.5. CECU Conguration for T680/T880 using ESA
To congure In-Cab PTO Control, the following parameters must be set in CECU for T680/T880 using ESA as shown in
Table 4-8:
TABLE 4-8. In cab PTO Control – ESA Settings for T680/T880
Parameter Attribute
Engine Make PACCAR
PTO Control Present Enable
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Section 4
PTO Mounting & Programming
Figure 4-28 shows the screenshot indicating where these parameters can be found in ESA.
FIGURE 4-28. In-Cab PTO Control – ESA Settings for T680/T880
4-7.6. MX Engine Parameter Conguration using PEP
There are two ways to congure In-Cab PTO Control depending on application:
1. In-Cab PTO Control with Accelerator Pedal
2. In-Cab PTO Control without Accelerator Pedal.
For both these options, the conguration on CECU is the same as described in section 1.1. The engine should be cong-
ured differently depending on whether the accelerator pedal is needed along with the cruise control switch for In-Cab PTO control. This is done by selecting the right sales code using PEP as explained below.
In PEP, click “Edit Parameters” button to enable editing and scroll down to PTO section “PTO Mode Preferences”. Towards the end of the section, there will be an entry for “Type of PTO Controls – Enable/Disable (S074)” which can be edited by making a selection from a dropdown menu. From this dropdown menu, select one of the sales codes shown in Table 4-9.
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