Walker MDD User Manual
ILLUSTRATED
PARTS MANUAL
Model MDD (20.9 HP Diesel)
TM
Effective Date: P/N 7000-9
03-01-06
KEY TO ABBREVIATIONS USED IN THIS MANUAL
Abbreviation What it Represents
º (Dimension) ....................................................................................................................................Degrees (Angle)
" (Dimension) ....................................................................................................................................................inches
(-) ...................................................................................................................................................Negative (Polarity)
(+).................................................................................................................................................... Positive (Polarity)
AT................................................................................................................................................................ All-Terrain
CCW ..............................................................................................................................................Counter-clockwise
Conn. ..........................................................................................................................................................Connector
CW.............................................................................................................................................................. Clockwise
D ...................................................................................................................................................................Diameter
DGHS......................................................................Deck, Grass Handling System (number refers to size in inches)
DML ............................................................................................... Deck, Mulching (number refers to size in inches)
DSD ..................................................................................... Deck, Side Discharge (number refers to size in inches)
DU................................................................................................................................................... Garlock (Bearing)
ESNA (Fastener)........... ... ... ... .... ... ... .......................................... ... .... ... ... ... .................................Nylon Insert Locknut
FSC........................................................................................................................................ Forward Speed Control
GA.....................................................................................................................................................................Gauge
gal. .....................................................................................................................................................................gallon
GHS .......................................................................................................................................Grass Handling System
GR (Fastener)................................................................................................................................................... Grade
HP...........................................................................................................................................................Horse Power
HT .......................................................................................................................................................... Heat-Treated
ID ..............................................................................................................................Identification or Inside Diameter
L....................................................................................................................................................................... Length
LH ..........................................................................................................Left Hand (orientated with operator on seat)
LP...............................................................................................................................................................Low Profile
mm (Dimension).........................................................................................................................................millimeters
MS (Fastener).....................................................................................................................................Machine Screw
NS (as part number)................................................................................... Item is not sold by Walker Manufacturing
OD................................................................................................................................................... Outside Diameter
oz. ......................................................................................................................................................................ounce
PFH (Fastener) ............................................................................................................................... Phillips Flat Head
P/N..........................................................................................................................................................Part Number
PPH (Fastener)................................ ... .... ... ... ..................................................................................Phillips Pan Head
PTH (Fastener) .............................................................................................................................Phillips Truss Head
PTO.....................................................................................................................................................Power Take-Off
QKS ..........................................................................................................................................................Quick Slide
qt.........................................................................................................................................................................quart
RH....................................................................................................... Right Hand (orientated with operator on seat)
SAE (Fastener) ....................................................................................................... Society of Automotive Engineers
SBH (Fastener)................................ ... .... ... ... .....................................................................Socket Button Head (Bolt)
SD.......................................................................................................................................................Side Discharge
SFH (Fastener) ................................................................................................................................Slotted Flat Head
SHC (Fastener)................... ... .... ... ... .......................................... ... .... ... ... ... ..................................... Socket Head Cap
SHL (Fastener) ................................................................................................................................... Shoulder (Bolt)
SM (Fastener).............................................................................................................................Sheet Metal (Screw)
S/N....................................................................................................................................................... Serial Number
Spg............................................................................................................................
SQH (Fastener)...................................................................................................................................... Square Head
SS (Fastener).......................................................................................................................................Stainless Steel
ST (Fastener).............................................................................................................................Self-Tapping (Screw)
Term...............................................................................................................................................................Terminal
V...........................................................................................................................................................................Volts
........................................Spring
NOTE: In some instances, combinations of abbreviations may be used (e.g. PPHMS - Phillips Pan Head Machine Screw).
Use only genuine Walker® replacement parts. Effective Date 03-01-06
ILLUSTRATED PARTS LIST
Section of Mower Covered Page Section of Mower Covered Page
Decals
Tractor Decals ........... ... ... ........................................ 2
Body / Chassis Assemblies
Body / Chassis Assembly (GHS Models) ................ 4
Rear Body Assembly (GHS Models) ....................... 6
Body Assembly (SD Models) .................................. 8
Tractor Components
Main Component Power Transmission
(GHS Models) .............................. .... ... ... ... .... .. 10
(SD Models) .................................................... 12
Engine Group ........................ .... ... ... ... .... ... ............14
Air Intake And Exhaust Group ............................ .. 16
Radiator Group ............................... ... .... ... ... ... .... .. 18
Hydrostatic Ground Drive Assemblies ..................20
Steering Control Assemblies ................................. 22
Throttle Control Assemblies ............ ... .... ... ... ... .... .. 24
Parking Brake Assembly .................... .... ... ... ... .... .. 26
GHS Group ........................................................... 28
GHS Powerfil
GHS 7.0 Bushel Catcher &
Exhaust Deflector Assemblies .............................. 32
GHS 9.5 Bushel Catcher Assembly ...................... 34
Instrument Panel Assembly .................................. 36
®
Assembly ......................................30
Options and Kits
Power Deck Lift Kit ................................................ 44
Armrest Kit / Touch-Up Paint / Comfort Seat Kit ... 46
Suspension Seat Kit / Light Kit............................... 48
Power Dump Kit
(7.0 Bushel GHS Models Only) ...................... 50
(9.5 Bushel GHS Models Only) ...................... 52
Hi-Dump Kit ........................................................... 54
Hi-Dump Kit - Hydraulic ........................................ 56
No Catch Deflector Kit / Tail Weight Kit ................ 58
Spread Tail Wheel Axle Kit / Speed Up Kit............ 60
Tail Wheel Lock Kit ............................................... 62
Wide Tail Wheel / All-Terrain Tire Kit &
Tire Chain Set ....................................................... 64
Maintenance
Lubrication Points ................................................. 66
Wiring Schematic .................................................. 68
Warranty
Limited Warranty ................................................... 69
Electrical Components
Electrical Assembly ............ ... .... ... ... ... .... ... ... ... .... .. 38
Electrical Assemblies
(GHS 7.0 / 9.5 Bushel Components) ..............40
Electrical Connectors ............................................42
Effective Date 03-01-06 Use only genuine Walker® replacement parts.
1
TRACTOR DECALS
I T E M P A R T D E S C R I P T I O N L O C AT I O N N O . N O .
NO. NO. REQ’D. GHS REQ’D SD
Walker Product Decals
1 7802 RH Fender Body, RH Side near Seat 1 1 2 5856 Made in USA Body, Spring Bracket 1 1 3 5803 Walker Manufacturing Logo Body 1 1 4 5813-1 Powerfil 5 5801 GHS 7.0 / 9.5 Bushel Catcher (one on each side) 2 0 6 5800 Walker Mower (4 x 7-1/2) Utility Bed (one on each side) 0 2 7 5806 Blade Clutch Body, RH Side 1 1
Danger Decals Warning Decals Caution Decals
8 5804 Blower Blade Warning Body near Body Chute 1 0 9 7818 Warning, Read Manual Body 1 1
10 5868 Danger, Pinch Point 7.0 / 9.5 Bushel Catcher Mounting Frame Assembly 2 0
Maintenance Decals
®
7.0 / 9.5 Bushel Catcher, Front 1 0
(one on each side)
11 7809 Parking Brake Body, RH Side below Seat 1 1 12 8400-6 Danger, Body Latch Body 1 1 13 7819 Throttle Body, LH Side 1 1 14 NS Sealed Reservoir Hydrostatic Drives (one on each) 2 2 15 5810-1 Axle Oil Level Gear Axle Drive Assemblies (one on each) 2 2 16 5819 Blower Maintenance Blower Housing 1 0 17 6875 PTO Alignment Arrow Universal Joint Tube Assembly 1 1 18 7827 Oil Level Jackshaft Support 1 1 19 5874 Push to Release 7.0 / 9.5 Bushel Catcher Safety Latch 1 0 20 8825 Front Body Closure Rear Cross Member, Body 1 1 21 5869 Removable Screen 7.0 / 9.5 Bushel Catcher Removable Screen 1 0 22 NS Caution (19426-87881 Kubota) Radiator 1 1 23 NS Caution (19426-87903 Kubota) Air Cleaner Cover 1 1
Option Decals
24 7633 Power Dump Switch Body 1 0 25 8555 Tail Wheel Lock FSC Lever Assembly - Switch Mount Bracket 1 1 26 8654 Power Deck Lift Body, RH Side 1 1
*
8500-8 No Catch Deflector 7.0 / 9.5 Bushel No Catch Deflector, LH Side 1 0
(Refer to 7.0 / 9.5 Bushel No Catch Deflector Kit Listing)
* Option Decals applied only to units with corresponding Options installed.
NOTE: All parts requiring decals are shipped with decals applied.
Use only genuine Walker® replacement parts. Effective Date 03-01-06
2
TRACTOR DECALS
6
23
25
1
7
12
9
15
11
26
14
18
20
15
6
22
SD Model
GHS Model
3
17
Refer to Decks
Parts Manual
for Deck Decals
1
9
24
2
26
15
2
25
14
3
13
4
7
12
11
18
16
15
20
8
13
19
10
5
21
10
23
22
5
17
Refer to Decks
Parts Manual
for Deck Decals
Effective Date 03-01-06 Use only genuine Walker® replacement parts.
3
BODY / CHASSIS ASSEMBLY (GHS MODELS)
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Seat Assembly
1 5103 Seat 1 2 7203 Seat Spring Plate 1 3 7223 Compression Spring (1/2 x 1) 2 4 7845 Rubber Bumper (1.375 OD x .63) 2 5 7846 Washer (3/8 ID x 1-1/4 OD x 1/8) 2 6 7204 Shoulder Bolt, Seat Mount 2 7 7440-5 Shock Mount (1-1/4 x 3/4) 2
Rear Bumper Assembly (GHS Models Only)
8 NS Recovery Tank Mount 1
(19449-72502 Kubota)
9 7047-5 Mount Plate 1 10 7516-7 7.0 / 9.5 Rear Bumper 1 11 7516-5 Catcher Pivot Bushing 2 12 5162 Roller Wheel (5" Rubber) 2 13 7517-2 Catcher Pivot Plate 2 14 5832 Cable Clamp (1/2) 2
Body Assembly
15 NS Body ID Plate 1 16 5845 Rubber Bumper (1.50 OD x 1.25) 4 17 7422 Panel Guard 1 18 5989-4 Dome Plug (3/8) 4 19 5989-3 Dome Plug (5/16) 2 20 7146 13mm Ball Stud 2 21 7844 Rubber Bumper (1.25 OD x .25) 1 22 7147 Spring Clip 2 23 7145 Gas Spring Assembly 1
(Includes Items # 20 & 22)
24 7222 Extension Spring (1/4 x 3) 1
25 7383-2 Body Latch Hook 1
26 7854 Plastic Tip, Red 1
27 5989-9 Dome Plug (1/4) 8
28 7100 Front Body 1
29 5180 Edge Molding, Lever Opening 2
30 5989-55 Dome Plug (1/2) 1
31 5989-5 Dome Plug (7/16) 1
Tilt-Up Latch Assembly
32 5847 Plastic Tip 1 33 5744-20 Spring Arm, Tilt-Up Latch 1 34 5744-10 Spring Pivot Bushing 1 35 5744-15 Compression Spring (3/8 x 5/8) 1 36 5744-13 Mount Angle, LH 1 37 5744-12 Hook, Tilt-Up Latch 1 38 5744-14 Mount Angle, RH 1
Chassis Assembly
39 5267-1 Retainer Collar (1") 1 40 5270-1 Pivot Bearing 2
41 7420 Tail Wheel Fork 1 42 5830-3 Grease Fitting (45 Degree) 2 43 8039 Nut, Tail Wheel Axle 2 44 8037-1 Seal, Outer (1-3/4 x 1-1/8) 2 45 8038-1 Spacer, Tail Wheel Axle 2
***
(Includes Item # F413)
*
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
46 8037 Bearing Cone (3/4 ID) 4 47 8037-2 Bearing Race 4 48 8035 Tail Wheel & Tire (13 x 5.00-6) 2
(With Bearing Race)
7035-1 Tail Wheel Tire (13 x 5.00-6)
8036 Tail Wheel & Hub (6 x 3.25) **
(Includes Items # 41 & 47)
7420-20 Dual Tail Wheel & Tire Assembly
(Includes Items # 43-46 & 48-50)
49 8768-2 Seal, Reverse Lip 2
50 8038 Tail Wheel Axle (3/4 x 10-3/8) 1
51 7070 Wheel & Tire (18 x 9.5-8) 2
7070-1 DriveTire (18 x 9.5-8)
5070-4 Wide Wheel (8 x 7) **
52 7300-5 Chassis Frame 1
Fasteners
F002 10-24 Keps Nut 2
F004 1/4-20 Keps Nut 6
F005 1/4-20 ESNA Nut 1
F009 5/16-18 Whiz Locknut 13
F012 3/8-16 Keps Nut 8
F013 3/8-16 Whiz Locknut 2
F014 3/8-16 ESNA Nut 4
F020 5/16-18 ESNA Nut 1
F026 10-24 x 1/2 PPHMS 2
F029 1/4-20 x 1/2 Hex Bolt 2
F031 1/4-20 x 5/8 Hex Bolt 1
F034 5/16-18 x 3/4 Hex Bolt 2
F038 3/8-16 x 1 Hex Bolt 6
F040 3/8-16 x 1-1/2 Hex Bolt 2
F042 3/8-16 x 2-1/4 Hex Bolt 2
F050 1/4 SAE Washer 1
F051 3/8 SAE Washer 2
F059 3/8 Wave Spring Washer 2
F093 5/16-18 x 1 Hex Bolt 1
F104 1/4-20 x 3/4 PFH Bolt 4
F151 3/8-16 x 7/8 Hex Bolt 2
F157 1/2-20 x 1-1/4 Wheel Lug Bolt 8
F205 5/16-18 x 1/4 Set Screw, Knurl Point 2
F206 #2 x 3/16 Drive Pin 2
F218 7/16 Split Lock Washer 2
F219 7/16-14 x 1-1/4 Hex Bolt 2
F227 3/8 x 1-1/4 x 1/8 Plastic Washer 2
F241 .375 x .875 x .10 Washer 4
F341 Coil Roll Pin (7/64 x 9/16) 1
F342 5/16 Conical Washer 2
F413 5/16-24 x 5/16 Set Screw 2
**
**
**
* Rear Bumper Assembly for SD Models is not shown here.
Refer to BODY ASSEMBLY (SD MODELS), Page 8.
** Service Part Only
*** Complete Tilt-Up Latch Assembly Kit available by ordering
kit # 5747.
Use only genuine Walker® replacement parts. Effective Date 03-01-06
4
F020
38
F004
F029
F342
BODY / CHASSIS ASSEMBLY (GHS MODELS)
1
F104
8
9
F104
F004
F026
F002
F013
13
F014
17
14
F038
F241
F038
10
F059
F014
F413
F151
11
F241
F012
F042
12
39
F413
40
F009
F038
12
F042
F059
F227
2
3
F206
18
19
Refer to
GHS Group
15
16
5
6
7
32
33
34
35
F341
F029
36
F093
18
19
37
F342
18
F004
31
30
18
4
F009
27
27
F005
23
24
F009
22
26
Refer to
Electrical
Assembly
29
F009
28
F014
F031
25
F050
21
F009
F051
F040
51
52
27
F034
20
F009
F002
F012
14
F012
F026
F218
F219
16
F009
F205
51
47
46
F157
42
43
44
45
46
47
49
50
49
46
47
Effective Date 03-01-06 Use only genuine Walker
40
Refer to
Power Dump
Kit Assemblies
41
F218
48
47
F205
®
replacement parts.
F219
42
46
45
44
43
5
REAR BODY ASSEMBLY (GHS MODELS)
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Rear Body Assembly (GHS Models)
1 8515-10 Catcher Reinforcing Plate 2 2 7515-2 Catcher Support Frame 1 3 7190-2 Insulation Foam Pad, RH 1 4 7190-1 Insulation Foam Pad, LH 1 5 7145 Gas Spring Assembly 1
(Includes Items # 6 & 7)
6 7147 Spring Clip 2
7 7146 13mm Ball Stud 2
8 5845 Rubber Bumper (1.50 x 1.25) 1
9 7105-5 Rear Body Panel 1
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Fasteners
F002 10-24 Keps Nut 6
F004 1/4-20 Keps Nut 5
F009 5/16-18 Whiz Locknut 4
F025 10-24 x 3/8 PPHMS 6
F031 1/4-20 x 5/8 Hex Bolt 2
F032 1/4-20 x 3/4 Hex Bolt 1
F178 1/4 x 1 Fender Washer 1
F390 1/4-20 x 7/8 Carriage Bolt 2
NOTE: Rear Bumper Assembly for GHS Models is not shown
here. Refer to BODY / CHASSIS ASSEMBLY (GHS
MODELS), Page 4.
NOTE: Decals for this assembly are not shown here. Refer to
TRACTOR DECALS, Page 2 for Decal listing and place-
ment information.
Use only genuine Walker® replacement parts. Effective Date 03-01-06
6
REAR BODY ASSEMBLY (GHS MODELS)
Refer to
GHS 7.0 Bushel Catcher &
Exhaust Deflector Assemblies
or GHS 9.5 Bushel Catcher Assembly
2
F004
Refer to
Body / Chassis Assembly
(GHS Models)
F390
1
F032
F004
3
5
6
4
7
F178
F009
F009
F009
8
F390
1
F004
F009
F031
F004
F002
F025
9
Effective Date 03-01-06 Use only genuine Walker
®
replacement parts.
7
BODY ASSEMBLY (SD MODELS)
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Utility Bed Assembly
1 8650-10 Bed Liner (21.5 x 27.5) 1 2 7650-3 Utility Bed (Includes Item # 1) 1 3 7190-2 Insulation Foam Pad, RH 1 4 7190-1 Insulation Foam Pad, LH 1
Rear Bumper Assembly (SD Models)
5 7153-3 Cover Plate 1 6 5845 Rubber Bumper (1.50 x 1.25) 1 7 7145 Gas Spring Assembly 1
(Includes Items # 8 & 9)
8 7147 Spring Clip 2
9 7146 13mm Ball Stud 2
10 7521-5 Rear Bumper 1 11 NS Recovery Tank Mount 1
(19449-72502 Kubota)
12 7047-5 Mount Plate 1 13 5832 Cable Clamp (1/2) 2 14 5162 Roller Wheel (5" Rubber) 2 15 7105-5 Rear Body Panel 1
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Fasteners
F002 10-24 Keps Nut 11
F004 1/4-20 Keps Nut 4
F009 5/16-18 Whiz Locknut 4
F012 3/8-16 Keps Nut 6
F013 3/8-16 Whiz Locknut 4
F014 3/8-16 ESNA Nut 2
F025 10-24 x 3/8 PPHMS 6
F026 10-24 x 1/2 PPHMS 1
F038 3/8-16 x 1 Hex Bolt 6
F040 3/8-16 x 1-1/2 Hex Bolt 2
F042 3/8-16 x 2-1/4 Hex Bolt 2
F051 3/8 SAE Washer 4
F059 3/8 Wave Spring Washer 2
F104 1/4-20 x 3/4 PFH Bolt 4
F128 10-24 x 3/8 PTHMS 4
NOTE: Refer to BODY / CHASSIS ASSEMBLY (GHS MODELS),
Page 4 for all common parts used on both models.
Use only genuine Walker® replacement parts. Effective Date 03-01-06
8
BODY ASSEMBLY (SD MODELS)
1
F009
F013
F002
F038
11
F104
F013
F051
F038
2
3
5
F009
F009
F128
6
7
8
9
F002
4
F104
F042
10
F012
F051
F059
F014
F040
12
F004
13
F042
F004
F026
14
15
F025
F002
Refer to
Body / Chassis Assembly
(GHS Models)
Refer to
Body / Chassis Assembly
(GHS Models)
Effective Date 03-01-06 Use only genuine Walker
F009
®
replacement parts.
9
MAIN COMPONENT POWER TRANSMISSION (GHS MODELS)
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Clutch Lever Assembly
1 5830 Grease Fitting 4 2 5229 Extension Spring (1/2 x 2-1/4) 1 3 7243 Clutch Idler Pulley 1 4 7368-2 PTO Belt Tightener (1.75 TAB) 1 5 7201-3 DU Bearing 6 6 7201-6 Inner Race (3-5/8) 1 7 7303-9 Clutch Actuator Block 1 8 7226 Compression Spring (3/4 x 2-1/2) 1 9 7380 Knuckle Joint 1
10 5830-3 Grease Fitting (45 Degree) 1 11 7303-7 Clutch Actuator Rod 1 12 7378 Pivot Bearing (7/16 x 9/16) 1 13 7358 Clutch Lever 1
(Includes Items # 1 & 14)
14 7860 Handle Grip 1
PTO Drive Shaft Assembly
15 7050-1 Dipstick, Gearbox 1 16 7377-1 Brake Band Guide 1 17 7050-11 PTO Gearbox / Flange Pulley 1 18 7248 Ground Drive Belt, Micro-V 1 19 7275-16 Universal Joint Tube Assembly / Spline 1 20 7303-2 Brake Band (13-5/8) 1 21 7236-1 PTO Drive Pulley (4-1/2 / 3V) 1
(Includes Items # F168 & F226)
22 7237-30 Engine Pulley (Flywheel Mount) 1
(Includes Item # F221)
23 7230 Engine PTO Belt 1 24 6231 Drive Belt (3VX355) 1
Jackshaft Assembly
25 7240-3 Jackshaft Drive Pulley (4.15/3V) 1
(Includes Items # F067 & F171)
26 5268 Bearing with Collar (3/4) 2 27 7273 Jackshaft (3/4 x 8-7/8) 1 28 7393-7 Hydro Jackshaft Mount 1
7394-1 Hydro Jackshaft Mount Assembly
(Includes Items # 1, 5, 26-28 & 30)
29 5841 Retainer Washer (3/8 x 1-1/4) 1 30 7201-4 Inner Race (1-1/2) 2 31 7349-50 Idler Arm 1 32 7349-2 Extension Spring (3/4 x 4) 1 33 6325-3 Spacer Bushing (9/16) 1 34 5245 Idler Pulley (3") 1 35 7241-2 Transmission Drive Pulley (3-1/4/MV) 1
(Includes Items # F067 & F171)
*
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Ground Drive Release Assembly
36 7245-1 Idler Pulley (3/8 Groove) 1 37 7374 Ground Drive Release Arm 1 38 7390 Idler Arm Guide 1 39 7406-1 Handle Grip, Red 1 40 7376 Handle, Ground Drive Release 1
(Includes Item # 39)
41 5221 Extension Spring (3/4 x 4) 1
42 7854 Plastic Tip, Red 1
43 7375 Spring Arm, Ground Drive Idler Release 1
(Includes Item # 42)
44 7225 Compression Spring (7/16 x 1/2) 1
Fasteners
F002 10-24 Keps Nut 1
F004 1/4-20 Keps Nut 2
F005 1/4-20 ESNA Nut 2
F009 5/16-18 Whiz Locknut 3
F012 3/8-16 Keps Nut 4
F013 3/8-16 Whiz Locknut 2
F029 1/4-20 x 1/2 Hex Bolt 1
F041 3/8-16 x 1-3/4 Hex Bolt 1
F042 3/8-16 x 2-1/4 Hex Bolt 2
F047 3/8-16 x 4-1/2 Hex Bolt 1
F050 1/4 SAE Washer 1
F060 AN960516 Washer 2
F061 1/4 Internal Star Lock Washer 1
F067 3/16 x 3/16 x 1 Key 2
F069 3/32 x 1/2 Cotter Pin 1
F108 3/8-16 x 2 Hex Bolt 1
F116 1/4-20 x 1-1/4 Hex Bolt 1
F167 5/16-18 Hex Nut 1
F168 5/16 Split Lock Washer 10
F171 5/16-18 x 3/8 Set Screw 4
F178 1/4 x 1 Fender Washer 1
F187 1/4-20 x 1-1/2 Hex Bolt 2
F221 M8 x 1.25 x 16 PFH Bolt 5
F226 5/16-18 x 7/8 Hex Bolt 6
F245 3/8-24 x 7/8 SFH Cap Screw 1
F252 10-24 x 3/4 PFHMS 1
F255 5/16-18 x 1-1/2 Hex Bolt 2
F275 5/16-18 x 2 Hex Bolt 1
F288 5/16-18 ESNA Jam Nut 1
* Service Part Only
Use only genuine Walker® replacement parts. Effective Date 03-01-06
10
F252
38
F187
F012
5
F245
F116
F002
F226
MAIN COMPONENT POWER TRANSMISSION (GHS MODELS)
12
F060
F060
F288
F167
F009
F041
1
F047
2
F009
F255
F012
3
F012
F178
F061
F029
4
5
6
5
Refer to
GHS Group
F226
F168
16
39
F004
14
1
37
F168
13
40
41
42
43
44
F005
F050
F042
36
30
5
29
11
9
10
9
8
F275
1
7
24
23
F221
22
21
F069
15
17
Refer to
GHS Group
20
F005
Refer to
Hydrostatic Ground
Drive Assemblies
F171
25
26
27
29
5
F042
28
F067
F108
F067
Refer to
Hydrostatic Ground
Drive Assemblies
1
30
5
31
F013
19
18
Refer to
Engine Group
Refer to
F171
26
26
35
32
33
34
Hydrostatic Ground
Drive Assemblies
F013
Refer to
Body / Chassis Assembly
(GHS Models)
F168
F226
Effective Date 03-01-06 Use only genuine Walker
®
replacement parts.
11
MAIN COMPONENT POWER TRANSMISSION (SD MODELS)
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Clutch Lever Assembly
1 5830 Grease Fitting 4 2 5229 Extension Spring (1/2 x 2-1/4) 1 3 7243 Clutch Idler Pulley 1 4 7368-2 PTO Belt Tightener (1.75 TAB) 1 5 7201-3 DU Bearing 6 6 7201-6 Inner Race (3-5/8) 1 7 7303-9 Clutch Actuator Block 1 8 7226 Compression Spring (3/4 x 2-1/2) 1
9 7380 Knuckle Joint 1 10 5830-3 Grease Fitting (45 Degree) 1 11 7303-7 Clutch Actuator Rod 1 12 7378 Pivot Bearing (7/16 x 9/16) 1 13 7358 Clutch Lever 1
(Includes Items # 1 & 14)
14 7860 Handle Grip 1
PTO Drive Shaft Assembly
15 7050-1 Dipstick, Gearbox 1 16 7377-1 Brake Band Guide 1 17 7050-11 PTO Gearbox / Flange Pulley 1 18 7248 Ground Drive Belt, Micro-V 1 19 7275-16 Universal Joint Tube Assembly / Spline 1 20 7303-2 Brake Band (13-5/8) 1 21 7236-1 PTO Drive Pulley (4-1/2 / 3V) 1
(Includes Items # F168 & F226)
22 7237-30 Engine Pulley (Flywheel Mount) 1
(Includes Item # F221)
23 7230 Engine PTO Belt 1
24 6231 Drive Belt (3VX355) 1
Jackshaft Assembly
25 7240-3 Jackshaft Drive Pulley (4.15/3V) 1
(Includes Items # F067 & F171)
26 5268 Bearing with Collar (3/4) 2
27 7273 Jackshaft (3/4 x 8-7/8) 1
28 7393-7 Hydro Jackshaft Mount 1
7394-1 Hydro Jackshaft Mount Assembly
(Includes Items # 1, 5, 26-28 & 30)
29 5841 Retainer Washer (3/8 x 1-1/4) 1
30 7201-4 Inner Race (1-1/2) 2
31 7349-50 Idler Arm 1
32 7349-2 Extension Spring (3/4 x 4) 1
33 6325-3 Spacer Bushing (9/16) 1
34 5245 Idler Pulley (3") 1
35 7241-2 Transmission Drive Pulley (3-1/4/MV) 1
(Includes Items # F067 & F171)
*
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Ground Drive Release Assembly
36 7245-1 Idler Pulley (3/8 Groove) 1 37 7374 Ground Drive Release Arm 1 38 7390 Idler Arm Guide 1 39 7406-1 Handle Grip, Red 1 40 7376 Handle, Ground Drive Release 1
(Includes Item # 39)
41 5221 Extension Spring (3/4 x 4) 1
42 7854 Plastic Tip, Red 1
43 7375 Spring Arm, Ground Drive Idler Release 1
(Includes Item # 42)
44 7225 Compression Spring (7/16 x 1/2) 1
Fasteners
F002 10-24 Keps Nut 1
F004 1/4-20 Keps Nut 2
F005 1/4-20 ESNA Nut 2
F009 5/16-18 Whiz Locknut 3
F012 3/8-16 Keps Nut 4
F013 3/8-16 Whiz Locknut 2
F029 1/4-20 x 1/2 Hex Bolt 1
F041 3/8-16 x 1-3/4 Hex Bolt 1
F042 3/8-16 x 2-1/4 Hex Bolt 2
F047 3/8-16 x 4-1/2 Hex Bolt 1
F050 1/4 SAE Washer 1
F060 AN960516 Washer 2
F061 1/4 Internal Star Lock Washer 1
F067 3/16 x 3/16 x 1 Key 2
F069 3/32 x 1/2 Cotter Pin 1
F108 3/8-16 x 2 Hex Bolt 1
F116 1/4-20 x 1-1/4 Hex Bolt 1
F167 5/16-18 Hex Nut 1
F168 5/16 Split Lock Washer 10
F171 5/16-18 x 3/8 Set Screw 4
F178 1/4 x 1 Fender Washer 1
F187 1/4-20 x 1-1/2 Hex Bolt 2
F221 M8 x 1.25 x 16 PFH Bolt 5
F226 5/16-18 x 7/8 Hex Bolt 6
F245 3/8-24 x 7/8 SFH Cap Screw 1
F252 10-24 x 3/4 PFHMS 1
F255 5/16-18 x 1-1/2 Hex Bolt 2
F275 5/16-18 x 2 Hex Bolt 1
F288 5/16-18 ESNA Jam Nut 1
* Service Part Only
Use only genuine Walker® replacement parts. Effective Date 03-01-06
12
F252
38
F187
F012
5
F245
F116
F002
F226
39
F004
MAIN COMPONENT POWER TRANSMISSION (SD MODELS)
12
F060
F060
F288
F167
F009
F041
1
F047
2
F009
F255
F012
3
F012
F178
F061
F029
4
5
6
5
F226
F168
16
14
1
37
F168
13
40
41
42
43
44
F005
F050
F042
36
30
5
29
11
9
10
9
8
F275
1
7
24
23
F221
22
21
F069
15
17
20
F005
Refer to
Hydrostatic Ground
Drive Assemblies
F171
25
26
27
29
5
F042
F067
28
F067
F108
Refer to
Hydrostatic Ground
Drive Assemblies
1
30
5
31
F013
19
18
Refer to
Engine Group
Refer to
F171
26
26
35
32
33
34
Hydrostatic Ground
Drive Assemblies
F013
Refer to
Body / Chassis Assembly
(GHS Models)
F168
F226
Effective Date 03-01-06 Use only genuine Walker
®
replacement parts.
13
ENGINE GROUP
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Engine Assembly
1 7929 Actuating Solenoid 1 2 7343 Solenoid Mount 1 3 7305 Solenoid Linkage Rod 1 4 NS Kubota Diesel Engine 1
(D 722 Kubota)
5 7341 Throttle Cable Mount Bracket 1
Fuel Tank Assembly
6 5083-2 Tank Tube Elbow 1 7 5879-3 Hose Clamp (1/2) 2 8 7015-14 Hose (1/4 x 16-1/2) 1
9 5975-3 Cable Tie (50# x 7") 1 10 7833 Cable Clamp (7/8 x 1/4) 2 11 7015-12 Hose (3/16 x 32) 1 12 5879-2 Hose Clamp, Silver (7/16) 2 13 7840-2 Hose Clamp (1/4 to 5/8) 6 14 7015-16 Hose (5/16 x 14-1/2) 1 15 NS Fuel Filter (19204-43010 Kubota) 1 16 7015-17 Hose (5/16 x 25-1/2) 1 17 7021 Fuel Filter (15231-43560 Kubota) 1 18 7389 Splash Guard 1 19 7048 Trash Guard 1 20 7015-15 Hose (5/16 x 17-1/2) 1 21 NS Fuel Pump (12691-52031 Kubota) 1 22 7020 Fuel Filter (In-Line) 1 23 8046-8 Fuel Tank, 5 Gallon, Diesel 1
(Includes Items # 25 & 28)
24 5082-2 Fuel Cap Seal
25 7082 Fuel Tank Cap, Diesel *
(Includes Item # 24)
*
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
26 5020-2 Fuel Filter, In Tank 1 27 5086 Fuel Line (In Tank P/U) 1 28 5083-1 Bushing, Rubber 29 7046-1 Fuel Return Tube 1
Fasteners
F002 10-24 Keps Nut 4
F003 1/4-28 Hex Nut 1
F004 1/4-20 Keps Nut 6
F009 5/16-18 Whiz Locknut 2
F027 10-24 x 5/8 PPHMS 3
F029 1/4-20 x 1/2 Hex Bolt 5
F031 1/4-20 x 5/8 Hex Bolt 5
F050 1/4 SAE Washer 1
F061 1/4 Internal Star Lock Washer 1
F069 3/32 x 1/2 Cotter Pin 1
F079 A/A66D Aluminum Pop Rivet 2
F091 5/16-18 x 5/8 Hex Bolt 1
F182 5/8 x 1/4 x 1/8 Washer 2
F233 M8 x 1.25 x 16 Hex Bolt 2
F235 5/16-18 x 2-1/2 Hex Bolt 1
*
* Service Part Only
NOTE: Refer to ELECTRICAL CONNECTORS, Page 42 for iden-
tification of all Electrical Wiring Service Parts.
NOTE: Decals for this assembly are not shown here. Refer to
TRACTOR DECALS, Page 2 for Decal listing and place-
ment information.
Use only genuine Walker® replacement parts. Effective Date 03-01-06
14
Refer to Air Intake
& Exhaust Group
ENGINE GROUP
2
1
Refer to Air Intake
4
3
& Exhaust Group
F061
F029
F031
F182
12
F091
6
7
12
28
29
27
26
25
24
23
7
22
13
11
8
9
F079
10
F079
10
13
F002
19
21
20
F004
13
14
F235
F002
F004
13
F002
F003
F009
F069
F050
F233
5
13
15
F009
13
16
17
15
18
F027
F029
F029
F004
Refer to
Body / Chassis Assembly
(GHS Models)
F031
F029
F031
F002
Effective Date 03-01-06 Use only genuine Walker
®
replacement parts.
15
AIR INTAKE AND EXHAUST GROUP
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Precleaner Assembly
1 7026-2 Remote Precleaner (Includes Item # 5) 1
2 7440 Shock Mount (1.0 OD x .75) 3
3 7028-20 Rear Precleaner Mount 1
4 7027 Elbow, Precleaner 1
5 7840 Hose Clamp (1-5/16 to 2-1/4) 3
6 5088-10 Air Cleaner Assembly
(Includes Item # 15)
7 5088-1 Air Cleaner Band 1
8 5090-3 Safety Filter Insert 1
9 5090-1 Air Cleaner Cartridge 1
10 5088-5 Air Cleaner Draw Latch 2 11 5088-11 Air Cleaner Cap 1 12 5090-2 Vacuator Valve 1 13 6029 Hose Clamp (2-1/2) 1 14 7016 Air Intake Hose 1 15 5091-10 Air Flow Indicator & Nipple 1 16 7031 Tube Support Arm 1 17 7028-3 Precleaner Tube, SD 1 18 7028-2 Precleaner Tube, GHS 1
Exhaust Assembly
*
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Fasteners
F002 10-24 Keps Nut 2
F009 5/16-18 Whiz Locknut 10
F012 3/8-16 Keps Nut 1
F025 10-24 x 3/8 PPHMS 2
F038 3/8-16 x 1 Hex Bolt 2
F091 5/16-18 x 5/8 Hex Bolt 2
F217 7/16-14 Hex Nut 4
F218 7/16 Split Lock Washer 4
F219 7/16-14 x 1-1/4 Hex Bolt 4
(GHS Models use only 3)
F226 5/16-18 x 7/8 Hex Bolt 1
F239 7/16-14 x 1-1/2 Hex Bolt 1
F249 M10 Split Lock Washer 8
F253 M8 x 1.25 x 35 GR 8 Bolt 3
F255 5/16-18 x 1-1/2 Hex Bolt 2
F311 M10 x 1.25 x 20 Hex Bolt 8
F327 M8 x 1.25 x 40 GR8 Hex Bolt 1
*
**
***
* Two (2) F009 and two (2) F035 fasteners are reused from
Clutch Lever Assembly. Refer to MAIN COMPONENT POWER
TRANSMISSION (GHS OR SD MODELS), Pages 10 or 12.
19 7437-1 Exhaust Manifold Shield 1 20 NS Spring Washer (04512-50080 Kubota) 4 21 7437-6 Engine Brace 1
(Includes Items # 19, F002 & F025)
22 NS Muffler (15262-12110 Kubota) 1
23 NS Muffler Gasket (15371-12370 Kubota) 2
24 7034 Spacer, Muffler 1
25 7354 Motor Mount 2
26 7306-15 Water Temperature Sender 1
27 7306-12 Temperature Sender Adapter 1
28 7306-13 Oil Pressure Switch 1
29 7023 Oil Filter (15841-32429 Kubota) 1
30 7047-2 Manifold Heat Shield 1
31 7013-2 Tail Pipe 1
** One (1) F012 and one (1) F038 fastener are reused from
Rear Bumper Assembly. Refer to BODY / CHASSIS ASSEMBLY (GHS MODELS), Page 4.
*** GHS Models Only
Use only genuine Walker® replacement parts. Effective Date 03-01-06
16
5
18
17
16
F009
F009
1
2
F009
F255
AIR INTAKE AND EXHAUST GROUP
6
9
8
23
24
F009
F038
2
F009
3
15
5
5
F009
4
F009
5
13
14
6
F091
7
F009
23
11
10
12
F025
19
20
F002
22
F253
20
26
27
28
30
29
F327
31
F009
21
F012
F226
F038
F311
F249
25
F219
F218
F217
Refer to
Body / Chassis Assembly
(GHS Models)
Refer to
Engine Group
F239
(GHS Models Only)
Effective Date 03-01-06 Use only genuine Walker
®
replacement parts.
17
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18
Refer to
Engine Group
5$',$725*5283
1
2
3
F129
4
5
F031
F061
6
Refer to
Body / Chassis Assembly
(GHS Models)
8
7
11
9
7
9
3
22
3
Refer to
Body / Chassis Assembly
(GHS Models)
F129
21
F029
F061
F004
F004
13
14
F004
19
12
20
F061
F029
10
Refer to
Body / Chassis Assembly
15
F090
(GHS Models)
16
F073
F029
F061
F004
12
F029
F061
16
17
F004
F090
F014
F004
19
18
F031
F031
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19
HYDROSTATIC GROUND DRIVE ASSEMBLIES
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Transmission Lockout Assembly
1 5028-3 Transmission Lockout Assembly
(Includes Items # 2-5, F023, F027 & F081)
2 5847 Plastic Tip 2 3 5057 Lockout Cam 2
(Includes Item # F081)
4 5028-5 Lockout Lever 2 5 5027-5 Lockout Mount 2
Ground Drive Assemblies
6 6209-1 Bridge Assembly 1 7 5832 Cable Clamp (1/2) 1 8 7394-7 Throttle Cable Mount Bracket 1
9 6243-2 Hydro Fan, CCW 1 10 5025 Hydrostatic Drive, CCW (700-042) 1 11 6206-1 Air Vent Valve 12 6200-9 Gear Axle Drive Assembly 2
(Includes Items # 11 & 13)
13 6207-12 Pipe Plug (1/4 NPTF) 4
14 5126 Cable Retainer 1
(Uses existing bolt on
Gear Axle Drive Assembly)
15 6233-1 Pinion Gear 2
16 6234 Spacer, Pinion Gear 2
17 6201 O-Ring Seal 2
18 7244 Hydro Pulley (3-7/8/MV) 2
(Includes Items # F064 & F359)
19 6243-1 Hydro Fan, CW 1
20 5026 Hydrostatic Drive, CW (700-041) 1
Deck Support Arm Assemblies
21 6430-10 Outboard Mount, LH 1 22 6430-2 Deck Support Arm, LH 1
(Includes Item # 26)
23 5775-2 Hitch Pin (# 6) 2
24 6430-1 Deck Support Arm, RH 1
(Includes Item # 26)
25 6430-9 Outboard Mount, RH 1
26 5830 Grease Fitting 2
27 6840-1 Support Arm Bushing (2-1/16) 2
*
*
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Transmission Repair Parts
28 5025-5 Input Shaft
29 5025-8 Bearing, Input Shaft *
30 5025-7 Snap Ring *
31 5025-2 Seal, Input Shaft *
32 5022 Reservoir to Casting Gasket *
33 5024 Reservoir Cap and Gasket *
34 5023 Transmission Reservoir Kit *
35 5023-1 Rubber Bladder *
36 5025-6 O-Ring & Plug Assembly *
37 5025-3 Seal, Control Shaft *
Fasteners
F012 3/8-16 Keps Nut 1
F023 10-24 ESNA Nut 2
F026 10-24 x 1/2 PPHMS 1
F027 10-24 x 5/8 PPHMS 2
F036 1/4-20 x 1/2 SBH Screw 2
F038 3/8-16 x 1 Hex Bolt 4
F040 3/8-16 x 1-1/2 Hex Bolt 4
F043 3/8-16 x 3 Hex Bolt 7
F051 3/8 SAE Washer 2
F053 7/16 Internal Star Lock Washer 4
F063 3/8 Internal Star Lock Washer 14
F064 1/8 x 1/2 Woodruff Key (#3) 6
F081 A/A45D Aluminum Pop Rivet 2
F160 External Snap Ring (.669 Shaft) 2
F178 1/4 x 1 Fender Washer 2
F194 7/16 x 1-1/4 x 1/8 Washer 2
F200 7/16-20 x 3 Grade 8 Bolt 2
F244 7/16-20 x 3/4 Hex Bolt 2
F262 3/8-16 x 4 Hex Bolt All Thread 1
F359 5/16-18 x 5/16 Set Screw 4
(Unbrako Knurl Point)
F416 3/8-16 x 4 Socket Head Cap Screw 1
*
* Service Part Only
Use only genuine Walker® replacement parts. Effective Date 03-01-06
20
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