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ZT4000
User Manual
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Simplicity ZT4000 User Manual

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Not for
Reproduction
Parts Manual
g
ZT4000
Series Zero-Turn Rider & Mower Deck
24HP Product
. No. Description
Mf
5900707 ZT4000B2444, 24HP B&S Rider w/44" Mower
26HP Product
Mfg. No. Description
5900765 ZT4000B2648, 26HP B&S Rider w/48" Mower
Rev.
5101297
3/2009
Part No.:
Not for
Reproduction
Not for
Reproduction
Table Of Content
s
PRODUCT COMPONENTS PAGES
Main Frame & Front Suspension Group ..............................................................................................................
Rear Bumper & ROPS Group ..............................................................................................................................
Engine & PTO Group - 24HP & 26HP Briggs & Stratton .....................................................................................
Instrument & Control Panel Group .......................................................................................................................
Pump Drive Group ................................................................................................................................................
Motion Control Group ...........................................................................................................................................
Hydraulic Group ...................................................................................................................................................
Hydraulic Mount Group ........................................................................................................................................
Seat Mount & Floor Group ...................................................................................................................................
Fuel Tank & Mount Group ....................................................................................................................................
Parking Brake Group ............................................................................................................................................
Rear Suspension Group .......................................................................................................................................
Deck Lift Group ....................................................................................................................................................
Wheel & Tire Group ..............................................................................................................................................
Decals - Brand & Model .......................................................................................................................................
Decals - Safety & Operation .................................................................................................................................
44" & 48" Mower Deck Group - Hanger Chains ...................................................................................................
44" & 48" Mower Deck Group - Housing, Covers, Spindles & Blades ................................................................
44" & 48" Mower Deck Group - Pulleys, Belts & Idler Arm ..................................................................................
44" & 48" Mower Deck Group - Rollers & Casters ...............................................................................................
44" & 48" Mower Deck Group - Striper Roller ......................................................................................................
10 12 14 18 20 22 24 26 28 30 34 36 38 40 42 44 46 48
Torque Specification Chart ..................................................................... Inside Back Cover
4 6 8
Not for
Reproduction
Main Frame & Front Suspension Group
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5301149
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
4
Not for
Reproduction
Main Frame & Front Suspension Group
PART NO. DESCRIPTIONREF NO. QTY.
SEAL, GREASE 1 5021072SM 2 SCREW, 5/16-18 X 1 FLAT HD SC 2 5025303SM 4 NUT, 5/16-18 HEX NYLON LOCK 3 5025057SM 4 WASHER, 3/8 FENDER 4 5025165SM 6 WASHER, 3/8 SAE 5 5025156SM 4 BOLT, 3/8-16 X 1-3/4 GD5 6 5025013X14SM 2 NUT, 3/8-16 HEX NYLOCK FLANGE 7 5025394SM 4 BOLT, 3/8-16 X 4 GD5 YZ 8 5025013X32SM 2 BOLT, 3/4-16 X 6-1/2 YZ GD5 9 5025265X52SM 1 WASHER, 3/4" SAE 10 5025160SM 4 NUT, 3/4-16 HEX NYLON LOCK 11 5025284SM 1 SHOCK, SPRING ASSEMBLY 12 5023483SM 2 WELD, CASTER YOKE, IS500Z - ORG 13 5402539CSM 2 BEARING, TAPERED ROLLER, 1" 14 5020884SM 4 WELD, FRONT PIVOT, CITATION - ORG 15 5402536CSM 1 SPACER, .75 X 1.00 X 2.38 16 5047489SM 1 PIVOT BEARING, 1.00" X 1.125" OD X 1.50" 17 5022852SM 1 PIVOT BEARING, 1.00 X 1.125 OD X .50 18 5100358SM 1 CAP, CASTER SPINDLE, LOW PROFILE 19 5100882SM 2 PAD, FRICTION, .375 X 1.25 X 4.00 20 5100930SM 2 WELD, IS500 MAIN FRAME - ORG 21 5403394CSM 1 WASHER, BELLEVILLE - 1.500 X .755 22 5025449SM 4 NUT, 3/4-16, HEX JAM NYLON LOCK 23 5025448SM 2 BEARING CUP 24 5020883SM 4 BOLT, 1/4-28 X 1/2, GD5 YZ 25 5025457SM 2
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
5
Not for
Reproduction
Rear Bumper & ROPS Group
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5301150
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
6
Not for
Reproduction
Rear Bumper & ROPS Group
PART NO. DESCRIPTIONREF NO. QTY.
PLUG, PANEL, 1.25 - BLACK 1 5023484SM 6 SEAT BELT, RETRACTING - ASSM 2 5100139SM 1 SCREW, 1/2-13 X 1.00, SHCS 3 5100267SM 2 MOUNT, SEAT BELT - RH - ORG 4 5400847CSM 1 PLATE, SEAT BELT ANCHOR - LH - ORG 5 5400844CSM 1 SPACER, .52 X 1.00 X .75 6 5045178SM 1 SPACER, .515 X 1.00 X .218 7 5100520SM 1 ROPS, IS500Z 8 5101730SM 1 BOLT, 1/2-13 X 1-3/4, HHCS GD5 9 5100268SM 2 NUT, 1/2-13 HEX NYLOCK FLANGE 10 5025396SM 10 BOLT, 1/2-13 X 3-1/4, HEX HD, GD5, YZ 11 5025017X26SM 6 WASHER, 1/2 SAE 12 5025158SM 6 PLATE, HEAT SHIELD - IS500Z - ORG 13 5402618CSM 1 BODY CLIP, 5/16-18 X 1/2 DEEP 14 5022308SM 2 WASHER, 5/16 SAE 15 5025155SM 2 BOLT, 5/16-18 X 1 GD5 YZ 16 5025011X8SM 2 WELD, BUMPER - IS500Z - ORG 17 5402547CSM 1 CAP, VINYL - .750 X .50 - BLK 18 5101049SM 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
7
Not for
Reproduction
Engine & PTO Group - 24HP & 26HP Briggs & Stratton
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5301152
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
8
Not for
Reproduction
Engine & PTO Group - 24HP & 26HP Briggs & Stratton
PART NO. DESCRIPTIONREF NO. QTY.
BOLT, CRANKSHAFT, 7/16X2-3/4, PATCH YZ 1 5047632SM 1 BOLT, 5/16-18 X 1-3/4 GD5 YZ 2 5025011X14SM 2 NUT, 5/16-18 HEX NYLOCK FLANGE 3 5025392SM 6 WASHER, 5/16" INT. TOOTH LOCK 4 5025188SM 2 CLUTCH ANCHOR PAD 5 5043636SM 1 WASHER, .34 X 1.25 X 10 GA 6 5044617SM 3 ANCHOR, CLUTCH 7 5046416CSM 1 BOLT, 5/16-18 X 2 GD5 TFL 8 5025055X16SM 1 BOLT, 5/16-18 X 1 GD5 YZ 9 5025011X8SM 2 BOLT, 5/16-18 X 3/4 GD5 10 5025011X6SM 2 KEY, 1/4 SQ. X 1.00 11 5050407X8SM 1 PULLEY, CRANKSHAFT 12 5100914SM 1 GROMMET, 7/8 13 5021379SM 2 WASHER, 5/16 SAE 14 5025155SM 8 NUT, 5/16-18 HEX SERRATED FLANGE (LARGE) 15 5025139SM 1 ENGINE-24HP B&S, ELS #44M777-0113-E1 (24HP Models Only) 16 - 1 CLUTCH, # 5219-34A, ELECTRIC, IS500Z 17 5100915SM 1 MUFFLER, B&S-ELS 22-26HP 18 5100907SM 1 CLAMP, VINYL INSULATED 19 5021500SM 1 WASHER, 1/4 SAE 20 5025154SM 1 NUT, 1/4-20 HEX NYLOCK FLANGE 21 5025391SM 1 BOLT, 1/4-20 X 3/4 GD5 YZ 22 5025010X6SM 1 HOSE, OIL DRAIN 23 5048681SM 1 PRE CLEANER (SV) 24 792303 1 AIR CLEANER W/ PRE CLEANER (SV) (Includes Ref. No. 24) 25 792105 1 BOLT, 5/16-18 X 1-1/2" GD5 YZ 26 5025011X12SM 2 OIL FILTER (NOT ILLUSTRATED) 27 696854 1 ENGINE-26HP B&S, ELS #44M777-0124-G1 (26HP Models Only) 28 - 1 WIRE LOOM, 1/2" PUSH-LOCK, 1.00" (Used on engine oil drain.) 29 5050833X11SM 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
9
Not for
Reproduction
Instrument & Control Panel Group
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5300813
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
10
Not for
Reproduction
Instrument & Control Panel Group
PART NO. DESCRIPTIONREF NO. QTY.
RING, SWITCH RETAINER 1 5022222SM 1 NUT, 3/8-24 HEX JAM 2 5025309SM 1 PLUG, .820X1.44 HOLE, BLACK PLASTIC 3 1709188SM 1 SCREW, 1/4-20 X 1/2 ALLEN BH 4 5025299X4SM 3 BOLT, 1/4-20 X 5/8 GD5 YZ (S/N: 2012635786 & Below) 5 5025010X5SM 2 NUT, 1/4-20 HEX NYLON LOCK (S/N: 2012635786 & Below) 6 5025095SM 2 SWITCH ASMY-IGNITION INDAK NO KEYS 7 1737853SM 1 CABLE, CHOKE CONTROL, 51 (Z) 8 5047779SM 1 SWITCH, BLADE ENGAGEMENT 9 5022180SM 1 CABLE, THROTTLE CONTROL, 45 (S/N: 2012635786 & Below) 10 5021887SM 1 HOUR METER, W/ SUPRESSOR 11 5100996SM 1 PANEL, CONTROL 1500Z 12 5061361ASM 1 O-RING, 7/8 ID X 1/16 W 13 5022269SM 1 SCREW, #10-24 X 3/4" ROUND PHILLIPS (S/N: 2012635787 & Above) 14 5025179X6SM 2 NUT, #10-24 HEX NYLON LOCK (S/N: 2012635787 & Above) 15 5025271SM 2 CABLE, THROTTLE, 42" (S/N: 2012635787 & Above) 16 5101073SM 1 LEVER, THROTTLE CONTROL, HEAVY DUTY (S/N: 2012635787 & Above) 17 5101537SM 1 PLATE, CONTROL PANEL - BLACK (S/N: 2012635787 & Above) 18 5403402ASM 1 KNOB, THROTTLE CONTROL (SV) (S/N: 2012635787 & Above) 19 5046360X1SM 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
11
Not for
Reproduction
Pump Drive Group
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5301153
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
12
Not for
Reproduction
Pump Drive Group
PART NO. DESCRIPTIONREF NO. QTY.
WELD, ARM, PUMP DRIVE IDLER - ORG 1 5046430CSM 1 BUSHING, BRASS, 1.25X1X1.25 2 5022157SM 2 SPACER, .39 X 1.00 X 2.55 3 5045135SM 1 WASHER, .41 X 1.75 X .14 4 5025305SM 2 BOLT, 3/8-16 X 3-1/2 GD5 YZ 5 5025013X28SM 1 NUT, 3/8-16 HEX NYLOCK FLANGE 6 5025394SM 3 BOLT, 3/8-16 X 2-1/4 GD5 YZ 7 5025013X18SM 1 BOLT, 3/8-16 X 1-3/4 GD5 8 5025013X14SM 1 NUT, 3/8-16 HEX SIDE LOCK 9 5025100SM 1 WASHER, 3/8 GD.9 FLAT 10 5025293SM 1 PULLEY, FLAT IDLER, 4.06 X .75 W 11 5101380SM 1 SCREW HOOK, 3/8-16 X 4-1/4 12 5025321SM 1 NUT, 3/8-16 HEX 13 5025034SM 2 SPRING, EXTENSION, SWIVEL END 14 5022847SM 1 PULLEY, PUMP DRIVE 15 5100912SM 2 KEY, 5MM SQ. W/ RADIUS 16 5023254SM 2 WASHER, .265 X 1.50 X .109, YZ 17 5044577SM 2 CAPSCREW,HEX HEAD M6-1.0X 14MM 18 5023215SM 2 SET SCREW, 5/16-24 X 3/8, KNURL, W/PATCH 19 5025437SM 4 BELT, #7-9502 20 5100923 1 PULLEY, CRANKSHAFT 21 5100914SM 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
13
Not for
Reproduction
Motion Control Group
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5301154
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
14
Not for
Reproduction
Motion Control Group
PART NO. DESCRIPTIONREF NO. QTY.
ROD, NEUTRAL RETURN 1 5100947SM 2 SPRING, REVERSE RETURN 2 5022645SM 2 BUSHING, NYLON 3 5023260SM 2 BUSHING, FLANGED .375 X .630 X 2.00 4 5100942SM 2 COLLAR, 3/8" SET 5 5010546SM 4 WASHER, 3/8 SAE 6 5025156SM 2 PIN, HAIR, .0915 X 1-7/8 7 5025210SM 2 BALL STUD, 5/16 X .50,# PC-477-2) 8 5100941SM 4 DAMPENER, CONTROL,#(P6709/P3610) 9 5100940SM 2 NUT, 5/16-18 HEX NYLOCK FLANGE 10 5025392SM 6 ROD, HYDRO LINKAGE 11 5100946SM 2 NUT, 5/16-24 HEX, LH 12 5023212SM 2 BALL JOINT, 5/16-24, LH FEMALE 13 5022628SM 2 PLATE, PUMP SUPPORT - ORG 14 5402622CSM 2 BOLT, 5/16-18 X 1 GD5 YZ 15 5025011X8SM 4 WASHER, 5/16" SAE 16 5025155SM 10 BOLT, 5/16-18 X 1-1/4" GD5 YZ 17 5025011X10SM 2 BALL JOINT, 5/16-24, FEMALE 18 5021146SM 2 NUT, 5/16-24 HEX 19 5025033SM 6 BEARING, BRONZE FLANGE, 3/4 20 5021098SM 2 BOLT, 3/8-16 X 1" GD5 YZ 21 5025013X8SM 2 NUT, 3/8-16 HEX NYLOCK FLANGE 22 5025394SM 14 BEARING, FLANGE 23 5021499SM 2 BOLT, 3/8-16 X 1-1/4" GD5 24 5025013X10SM 2 NUT, 3/8-16 HEX NYLON LOCK 25 5025096SM 4 BOLT, 3/8-16 X 1-3/4" GD5 26 5025013X14SM 8 MOUNT, CONTROL ARM 27 5047004SM 2 WELD, NEUTRAL LOCK - RH - IS500-ORG 28 5402595CSM 1 WELD, NEUTRAL LOCK - LH - IS500-ORG 29 5402594CSM 1 SWITCH, PLUNGER, N.O./N.C. 30 5022095SM 2 SCREW, #10-24 X 1/2 ROUND PHILLIPS 31 5025179X4SM 4 NUT, #10-24 HEX 32 5025029SM 4 BOLT, 5/16-18 X 1-1/8" GD5 33 5025011X9SM 2 NUT, 5/16-18 HEX SERRATED FLANGE (SMALL) 34 5025127SM 8 BOLT, 3/8-16 X 2-1/2" GD5 YZ 35 5025013X20SM 4 SPACER, .38 X .50 X 1.56 36 5044992SM 6 BOLT, 3/8-16 X 3" GD5 YZ 37 5025013X24SM 2 WELD, HANDLE MOTION CONTROL-LH 38 5047055CSM 1 WELD, HANDLE MOTION CONTROL-RH 39 5047056CSM 1 WASHER, 5/16" LOCK 40 5025170SM 4 GRIP, FOAM, 3/4 ID, 16 LONG 41 5022068SM 2 GUARD, RUBBER MOT CTRS - IS500Z 42 5100948SM 2 PUSH RIVET (TREE TYPE), BLACK 43 5025431SM 4 BOLT, 5/16-18 X 3/4" GRD5 44 5025011X6SM 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
15
Not for
Reproduction
Motion Control Group
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5301154
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
16
Not for
Reproduction
Motion Control Group
PART NO. DESCRIPTIONREF NO. QTY.
WELD, SHAFT MOTION CONTROL-LH-IS500-ORG 45 5402588CSM 1 WELD, SHAFT MOTION CONTROL-RH-IS500-ORG 46 5402589CSM 1 SPRING, EXTENSION 47 5020639SM 2
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
17
Not for
Reproduction
Hydraulic Group
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5300781
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
18
Not for
Reproduction
Hydraulic Group
PART NO. DESCRIPTIONREF NO. QTY.
ADAPTER, HYD. 1 5022633SM 2 FITTING, #8 JIC - #8 O-RING, 45 DEG. 2 5023338SM 4 ADAPTER, 90 DEG, 9/16-3/8 BARB 3 5023267SM 2 FITTING, TEE, 1/2 HOSE 4 5022920SM 2 ADAPTER, 90 DEG, 9/16-5/8 BARB 5 5023346SM 1 ADAPTER, 45 DEG, 9/16-3/8 BARB 6 5023461SM 3 FITTING, #8 JIC - #8 O-RING, 90 DEG. 7 5022599SM 2 HOSE, 3/8" PUSH-LOCK, 18.50" 8 5050860X18P5SM 1 HOSE, 3/8" PUSH-LOCK, 6.50" 9 5050860X6P5SM 2 HOSE, 3/8" PUSH-LOCK, 6.00" 10 5050860X6SM 2 NUT, 3/8-16 HEX SERRATED FLANGE 11 5025128SM 4 HOSE, 3/8" PUSH-LOCK, 19.00" 12 5050860X19SM 1 HOSE, 5/8 PUSH-LOCK, 24.50" 13 5050933X24P5SM 1 HOSE ASSEMBLY (25") 14 5023370SM 2 HOSE ASSEMBLY (21) 15 5022711SM 2 CAP, HYDRAULIC 16 5101267SM 1 TANK, HYDRAULIC, ASSEMBLY (Includes Ref. Nos 21,22,23, and 24.) 17 5061712SM 1 CLAMP, #4 HOSE, STAINLESS 18 5022922SM 1 CLAMP, #10 HOSE, STAINLESS 19 5021164SM 2 CLAMP, HOSE 20 5023268SM 11 FITTING, ELBOW, 3/8" 21 5023118SM 1 GROMMET 22 5023120SM 1 GROMMET 23 5023121SM 1 FITTING, ELBOW, 5/8" 24 5023119SM 1 MOTOR, WHEEL (Includes Ref. Nos 27 and 28) 25 5023316SM 2 BOLT, 3/8-16 X 1-1/4 GD5 26 5025013X10SM 4 KEY (SV) 27 5022042X2SM 2 NUT, CASTLE, 1-20 (SV) 28 5022042X3SM 2 PE, 10CC HYDRAULIC PUMP - LH 29 5101404 1 PE, 10CC HYDRAULIC PUMP - RH 30 5101403 1 FILTER HEAD, HYDRAULIC 31 5023096SM 1 FILTER, OIL 32 1719168SM 1 BOLT, 1/4-20 X 3/4 GD5 YZ 33 5025010X6SM 2 WASHER, 1/4 SAE 34 5025154SM 2 WASHER, 1/4 LOCK 35 5025169SM 2 PIN, COTTER, 1/8 X 2 36 5025203X16SM 2
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
19
Not for
Reproduction
Hydraulic Mount Group
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5301155
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
20
Not for
Reproduction
Hydraulic Mount Group
PART NO. DESCRIPTIONREF NO. QTY.
NUT, 1/4-20 HEX NYLOCK FLANGE 1 5025391SM 4 BOLT, 3/8-16 X 1-1/4 GD5 2 5025013X10SM 2 WASHER, 3/8 SAE 3 5025156SM 6 NUT, 3/8-16 HEX NYLOCK FLANGE 4 5025394SM 6 BOLT, 1/4-20 X 3/4 GD5 YZ 5 5025010X6SM 4 WASHER, 1/4 SAE 6 5025154SM 4 WELD, HYD TANK MOUNT 7 5061747CSM 1 BRACKET, HYDRAULIC TANK 8 5061746CSM 2 BOLT, 3/8-16 X 1-1/2 GD5 YZ 9 5025013X12SM 4
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
21
Not for
Reproduction
Seat Mount & Floor Group
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5301161
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
22
Not for
Reproduction
Seat Mount & Floor Group
PART NO. DESCRIPTIONREF NO. QTY.
BUMPER, RUBBER 5/16-18 1 5022612SM 2 NUT, 5/16-18 HEX NYLOCK FLANGE 2 5025392SM 9 WELD, SEAT PLATE - RED 3 5403392CSM 1 BOLT, 3/8-16 X 6" GD5 YZ 4 5025013X48SM 2 WASHER, 3/8" SAE 5 5025156SM 6 NUT, 3/8-16 HEX NYLOCK FLANGE 6 5025394SM 8 SAFETY WALK, 17.17 X 6.00 7 5101007SM 1 SAFETY WALK, 17.13 X 11.50 8 5100999SM 1 WELD, SEAT SUPPORT - ORG (S/N: 2012635841 & Below) 9 5402688CSM 1 BOLT, 3/8-16 X 1" GD5 YZ 10 5025013X8SM 4 SEAT, NO ARM REST 11 5100909SM 1 PLATE, FLOOR PAN, FRONT - IS500Z 12 5403389CSM 1 BOLT, 5/16-18 X 1" GD5 YZ 13 5025011X8SM 2 WASHER, 5/16" GD.9 FLAT 14 5025292SM 2 PLATE, FLOOR PAN, REAR - IS500Z 15 5403390CSM 1 MNT, VBRTN 16 197546SM 4 PLATE, SUPPORT, FRONT FLOOR 17 5403403CSM 1 BOLT, 5/16-18 X 5/8, FLANGE SERRATED 18 5025481SM 6 PLATE, SEAT SUPPORT, ZT4000 - ORG (S/N: 2012635842 & Above) 19 5403754CSM 1 KIT, ARM REST (SET OF TWO)(SV) 20 1686907SM 1 SPRING, SEAT ADJUSTMENT (SV) 21 5100636SM 1 KIT, SEAT RAILS (COMPLETE)(SV) 22 5061599X1SM 1 NUT, 5/16-18 HEX NYLOCK FLANGE SMALL 23 5025127SM 2 WASHER, 3/8" INT TOOTH LOCK 24 5025480SM 6 MTN, VBRTN, 30 DURO 25 35097SM 6
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
23
Not for
Reproduction
Fuel Tank & Mount Group
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5301151
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
24
Not for
Reproduction
Fuel Tank & Mount Group
PART NO. DESCRIPTIONREF NO. QTY.
TANK, FUEL, 1500Z - LH 1 5049947SM 1 TANK, FENDER, 1500Z - RH 2 5049948SM 1 FUEL CAP, 3.5", VENTED 3 5101272SM 1 BADGE, CITATION, ORANGE 4 5400250CSM 2 SCREW, #10-24 X 3/8 ALLEN BHBZ 5 5025386SM 6 BOLT, 5/16-18 X 1 GD5 YZ 6 5025011X8SM 10 WASHER, 5/16 GD.9 FLAT 7 5025292SM 10 WASHER, 5/16 LOCK YZ 8 5025170SM 10 MOUNT, TANK, FRONT 9 5400012CSM 2 BOLT, 3/8-16 X 1 GD5 YZ 10 5025013X8SM 2 WASHER, 3/8 GD.9 FLAT 11 5025293SM 2 NUT, 3/8-16 HEX NYLOCK FLANGE 12 5025394SM 2 BOLT, 3/8-16 X 1-1/4 GD5 13 5025013X10SM 4 WELD, TANK MOUNT-RH-IS500Z-ORG 14 5402557CSM 1 WELD, TANK MOUNT-LH-IS500Z-ORG 15 5402556CSM 1 GUAGE, FUEL LEVEL 16 5022917SM 2 GROMMET 17 5022917X1SM 2 CLAMP, HOSE, EXTERNAL, 1/2 18 5020835SM 2 HOSE, FUEL, 1/4 IN, LW PRMTN 19 5050831X22SM 1 SEE REF # 23 20 - ­SEE REF # 23 21 - ­SEE REF # 23 22 - ­HOSE ASSEMBLY 23 5101149SM 1 SEE REF # 23 24 - ­WIRE LOOM, 1/2 ID, 20.00 LONG 25 5050833X20SM 1 CABLE TIE, 12" (Not shown - Used to route fuel line.) 26 5021029SM 3 WIRE LOOM, 1/2 ID, 9.00 LONG (Not Shown - Between Filter and Engine) 27 5050833X9SM 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
25
Not for
Reproduction
Parking Brake Group
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5301156
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
26
Not for
Reproduction
Parking Brake Group
PART NO. DESCRIPTIONREF NO. QTY.
BOLT, 5/16-18 X 1-1/8 GD5 1 5025011X9SM 1 NUT, 5/16-18 HEX SERRATED FLANGE (LARGE) 2 5025139SM 2 BOLT, 5/16-18 X 3/4 12PT FLANGE - PATCH 3 5023490SM 8 WASHER, 5/16 USS 4 5025337SM 2 BOLT, 3/8-16 X 3/4 GD5 YZ 5 5025013X6SM 4 NUT, 3/8-16 HEX NYLOCK FLANGE 6 5025394SM 6 BOLT, 5/16-18 X 1-3/4 GD5 YZ 7 5025011X14SM 2 NUT, 5/16-18 HEX NYLOCK FLANGE 8 5025392SM 2 LINK, BRAKE STOP, 6.0 9 5061794CSM 2 BOLT, 3/8-16 X 1-1/2 GD5 YZ 10 5025013X12SM 2 NUT, 3/8-16 HEX SERRATED FLANGE 11 5025128SM 2 DRUM,1-1/4TAPER,5 BOLT 12 5023368SM 2 ASSM, BRAKE, 1-1/4 HUB, LH 13 5023500SM 1 ASSM, BRAKE, 1-1/4 HUB, RH (Not Shown) 14 5023501SM 1 SPACER, .32 X .75 X 1.06 15 5042134SM 2 BEARING, BRONZE FLANGE, 3/4 16 5021098SM 2 GRIP, BLACK FLEXIBLE (S/N: 2012619803 & Below) 17 5100171SM 1 SPACER, .38 X .50 X .27 18 5041930SM 2 WASHER, 3/8 SAE 19 5025156SM 2 SPRING, COMPRESSION 20 5023320SM 2 SPRING-COMP, .428ID X 2.50LG X .155WR 21 5022361SM 2 WASHER, 5/16 SAE 22 5025155SM 2 NUT, 5/16-24 HEX NYLON LOCK 23 5025045SM 2 CABLE, PARKING BRAKE 24 5023324SM 2 CLEVIS, 5/16-24, PLASTIC 25 5020979SM 2 NUT, 5/16-24 HEX 26 5025033SM 2 PIN, CLEVIS, 5/16 X 1 YZ 27 5025213X8SM 2 PIN, HAIR, .0585 X 1-1/8, 1/4 EYE, YZ 28 5025211SM 2 GROMMET, 1-1/4 29 5021397SM 2 WELD, BRAKE SHAFT (S/N: 2012619803 & Below) 30 5049831CSM 1 WELD, BRAKE SHAFT - ORANGE (S/N: 2012619804 & Above) 31 5403631CSM 1 GRIP, FOAM 3/4 ID X 6 X .187 (S/N: 2012619804 & Above) 32 5101038SM 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
27
Not for
Reproduction
Rear Suspension Group
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5301157
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
28
Not for
Reproduction
Rear Suspension Group
PART NO. DESCRIPTIONREF NO. QTY.
WELD, TIE BAR - ORG 1 5404064CSM 1 WELD, MOTOR MOUNT - LH-IS500-ORG 2 5402523CSM 1 WELD, MOTOR MOUNT - RH-IS500-ORG 3 5402524CSM 1 BOLT, 1/2-13 X 6 GD5 YZ 4 5025017X48SM 2 NUT, 1/2-13 HEX NYLON LOCK 5 5025056SM 2 BUSHING, FLANGE 6 5021541SM 4 SPACER, .52 X 1.00 X 3.42 7 5061339SM 2 SHOCK ABSORBER, # 7417-106 8 5023436SM 2 BOLT, 3/8-16 X 2 GD5 YZ 9 5025013X16SM 2 WASHER, 3/8 FENDER 10 5025165SM 6 NUT, 3/8-16 HEX NYLOCK FLANGE 11 5025394SM 16 BOLT, 3/8-16 X 3-1/2 GD5 YZ 12 5025013X28SM 2 GREASE FITTING, 45 DEGREE 13 5020020SM 2 SPACER, .390 X 1.00 X 1.00 - YZ 14 5100896SM 2 PLATE, FRAME SUPPORT - IS500-ORG 15 5402456CSM 2 BOLT, 3/8-16 X 1-1/4" GD5 YZ 16 5025013X10SM 12 WASHER, 3/8 GD.9 FLAT 17 5025293SM 12 SPANNER WRENCH 18 5022853SM 1 BOLT, 1/4-20 X 3/4 GD5 YZ 19 5025010X6SM 1 WASHER, 1/4 SAE 20 5025154SM 1 NUT, 1/4-20 HEX NYLOCK FLANGE 21 5025391SM 1 CLAMP, 5/16, DOUBLE, WIRE & TUBE 22 5025430SM 1 WASHER, 1/2 SAE 23 5025158SM 2 SPACER, .39 X 1.00 X .25 24 5044960SM 2 SPACER, .34 X 1.54 X .25 UHMW 25 5400065SM 2 SCREW, 5/16-18 X 1 FLAT HD SC 26 5025303SM 2 NUT, 5/16-18 HEX NYLOCK FLANGE 27 5025392SM 2 BOLT, 1/2-13 X 2-1/4 PATCH 28 5023481SM 8 NUT, 1/2-13 SQUARE 29 5025330SM 8
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
29
Not for
Reproduction
Deck Lift Group
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5301158
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
30
Not for
Reproduction
Deck Lift Group
PART NO. DESCRIPTIONREF NO. QTY.
WELD, ROD DECK LIFT 1 5061527CSM 1 GRIP, FOAM 2 5021880SM 1 SPRING, EXTENSION 3 5020639SM 1 PIN, CLEVIS, 1/4 X 7/8 4 5025212X7SM 1 PIN, HITCH, 1/2 X 2.00 OAL, YP 5 5023498SM 1 BOLT, 3/8-16 X 2, CARRIAGE 6 5025146X16SM 1 NUT, 3/8-16 HEX SIDE LOCK 7 5025100SM 1 BOLT, 1/4-20 X 5/8 GD5 YZ 8 5025010X5SM 2 NUT, 1/4-20 HEX SERR. FLANGE 9 5025126SM 2 ROD,DECK LIFT ADJUSTMENT 10 5049971SM 2 NUT, 5/8-11 HEX 11 5025040SM 8 PIVOT, SPRING ROD 12 5045447SM 2 COLLAR, 5/8" SPLIT 13 5020441SM 6 CLEVIS, 1/2-20, STEEL 14 5023174SM 2 NUT, 1/2-20 HEX JAM 15 5025089SM 7 PIN, CLEVIS, 1/2 X 1 1/2, YZP 16 5025328X12SM 2 PIN, HAIR, .0915 X 1-7/8 17 5025210SM 2 BUSHING, .510 X .625 X .500 18 5061780SM 2 WELD, DECK LIFT SHAFT - IS500-ORG (S/N: 2013212178 & Below) 19 5402540CSM 1 RUBBER, FOOT PEDAL 20 1715834SM 1 GREASE FITTING, 1/4-28 STRAIGHT 21 5020095SM 4 BOLT, 3/8-16 X 1-1/4 GD5 (S/N: 2013212178 & Below) 22 5025013X10SM 4 NUT, 3/8-16 HEX NYLOCK FLANGE 23 5025394SM 4 WASHER, 3/8 GD.9 FLAT 24 5025293SM 8 WASHER, 3/8 SAE 25 5025156SM 8 ROD, DECK LIFT 26 5049848SM 2 PIVOT, SPRING ROD 27 5045856SM 2 WELD, DECK HANGER-REAR-RH-IS500-ORG 28 5402521CSM 1 WELD, DECK HANGER-REAR-LH-IS500-ORG 29 5402522CSM 1 WELD, REAR LIFT, LH, IS500-ORG 30 5402533CSM 1 WELD, REAR LIFT, RH, IS500-ORG 31 5402534CSM 1 BUSHING, 1.00X1.13X.75, PLA 32 5023356SM 4 BOLT, 3/8-16 X 3/4, GD5, YZ WITH PATCH 33 5025443SM 4 WASHER, .390 X 1.50 X .109, YZ 34 5100548SM 4 WELD, DECK ADJUST LINK 35 5061523CSM 1 BALL JOINT, 1/2-20, MALE 36 5022434SM 5 ADAPTER, CASTER AXLE 37 5047103SM 1 BOLT, 1/2-13 X 3 GD5 38 5025017X24SM 1 WASHER, 1/2 SAE 39 5025158SM 9 NUT, 1/2-13 HEX NYLON LOCK 40 5025056SM 2 SPRING, DECK LIFT ASSIST 41 5023355SM 1 BOLT, 1/2-13 X 2-1/4" GD5 YZ 42 5025017X18SM 1 NUT, 1/2-13 HEX JAM 43 5025301SM 1 EYE BOLT, 3/8-16 X 5", 1 EYE 44 5023497SM 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
31
Not for
Reproduction
Deck Lift Group
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5301158
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
32
Not for
Reproduction
Deck Lift Group
PART NO. DESCRIPTIONREF NO. QTY.
NUT, 3/8-16 HEX 45 5025034SM 2 WELD, DECK STABILIZER 46 5049867CSM 2 SHAFT, DECK STABILIZER 47 5049868SM 2 COLLAR, 3/4" SPLIT 48 5010114SM 2 BOLT, 1/2-20 X 1-3/4 GD5 YZ 49 5025018X14SM 4 WASHER, 1/2" SAE 50 5025158SM 8 BOLT, 3/8-16 X 1 GD5 YZ 51 5025013X8SM 4 NUT, 3/8-16 HEX SERRATED FLANGE 52 5025128SM 4 NUT, 1/2-20 HEX NYLON LOCK 53 5025098SM 4 BUSHING, 1.00 X 1.13 X 1.38, PLASTIC 54 5023343SM 4 PIN, CLEVIS, 1/2 X 2 YZP 55 5025328X16SM 1 PIN, COTTER, 1/8" X 1-1/4 56 5025203X10SM 1 CAP, VINYL - .562 X .750 - BLK 57 5101028SM 2 PLATE, PIVOT BLOCK SUPPORT - ORG (S/N: 2013212179 & Above) 58 5403925C 2 PIVOT BLOCK, PLASTIC (S/N: 2013212179 & Above) 59 5100634 4 WELD, DECK LIFT SHAFT - IS500Z - ORG (S/N: 2013212179 & Above) 60 5404299C 1 BOLT, 3/8-16 X 2-3/4 GD5 YZ (S/N: 2013212179 & Above) 61 5025013X22 4 HOSE, 1/2" PUSH-ON, 1.00" 62 5050857X1SM 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
33
Not for
Reproduction
Wheel & Tire Group
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5300784
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
34
Not for
Reproduction
Wheel & Tire Group
PART NO. DESCRIPTIONREF NO. QTY.
WHEEL, CASTER, 11X4.0-5 SILVER (Includes Ref Nos 2 & 3) 1 5022433SSM 2 TIRE, FRONT, 11 X 4.0 - 5 (SV) 2 5022433X1SM 2 WHEEL ASSEMBLY, COMPLETE (SV) 3 5022433SX2SM 2 WASHER, 1/2" SAE 4 5025158SM 4 BEARING, ROLLER (SV) 5 5021042SM 4 BEARING, RETAINER (SV) 6 5021043SM 4 CASTER AXLE DDSH 7 5045996SM 2 BOLT, 1/2-13 X 6-1/2" GD8 YZ 8 5025017X52SM 2 NUT, 1/2-13 HEX NYLON LOCK 9 5025056SM 2 TIRE ASM, REAR, 20 X 8.0 X 10 #40713 (Includes Ref Nos 11 & 12) 10 5100932SM 2 TIRE, REAR, 20 X 8.0 X 10 (SV) 11 5023095X1SM 2 WHEEL ASSEMBLY (SV) 12 5023369X1SM 2 NUT, 1/2-20, FOR WHEEL BOLT SILVER 13 5020601SM 10 WHEEL, CASTER, 11 X 4.0-5 SILVER BEAD LO 14 5101418 2 WHEEL ASSEMBLY, COMPLETE (SV) 15 5101418X1 2
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
35
Not for
Reproduction
Decals - Brand & Model
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5301159
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
36
Not for
Reproduction
Decals - Brand & Model
PART NO. DESCRIPTIONREF NO. QTY.
DECAL-SIMPLICITY SILVER & BLUE W/ICON 1 1722551SM 1 DECAL, BADGE, LH 2 5061816SM 1 DECAL, BADGE,RH 3 5061817SM 1 DECAL, 44 (44" Models Only) 4 5061846SM 1 DECAL, SIMPLICITY, ZT4000 (NOT SHOWN) 5 5101326SM 1 DECAL, 48 (48" Models Only) 6 5022811SM 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
37
Not for
Reproduction
Decals - Safety & Operation
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5301183
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
38
Not for
Reproduction
Decals - Safety & Operation
PART NO. DESCRIPTIONREF NO. QTY.
DECAL, MAIN 1 5100710SM 1 DECAL, DANGER, MOWER 2 5100136SM 1 DECAL, DANGER, MOWER DISCHARGE 3 5100137SM 1 DECAL, DANGER, FIRE 4 5100708SM 1 DECAL, THROTTLE CONTROL 5 5100280SM 1 DECAL, CZT HYDRO RELEASE (Located under seat plate.) 6 1725941SM 1 DECAL, BELT & BLADE, IS500Z (Located under seat plate.) 7 5100905SM 1 DECAL, DECK HEIGHT, IS500Z 8 5100937SM 1 DECAL, IGNITION SWITCH 9 5048970SM 1 DECAL, OIL RESEVOIR (Located on Hydraulic tank mount behind seat.) 10 5100957SM 1 DECAL, FUSE LOCATION (Located on the side of instrument control dash.) 11 5046503SM 1 DECAL, WARNING, ROLL BAR (Located behind ROPS posts.) 12 5100683SM 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
39
Not for
Reproduction
44" & 48" Mower Deck Group - Hanger Chains
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5300665
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
40
Not for
Reproduction
44" & 48" Mower Deck Group - Hanger Chains
PART NO. DESCRIPTIONREF NO. QTY.
NUT, 1/2-13 HEX 1 5025038SM 2 WASHER, 1/2 SAE 2 5025158SM 4 NUT, 1/2-13 HEX NYLON LOCK 3 5025056SM 2 BOLT, 3/8-16 X 1-3/4 GD5 4 5025013X14SM 6 WASHER, 3/8 SAE 5 5025156SM 12 NUT, 3/8-16 HEX SERRATED FLANGE 6 5025128SM 4 NUT, 3/8-16 HEX JAM 7 5025084SM 4 NUT, 3/8-16 HEX NYLON LOCK 8 5025096SM 4 CHAIN, 5/16 GD30, 3 LINKS 9 5050878X3SM 2 HANGER, FRONT DECK - 2 LINK 10 5047503SM 2
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
41
Not for
Reproduction
44" & 48" Mower Deck Group - Housing, Covers, Spindles & Blades
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5301160
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
42
Not for
Reproduction
44" & 48" Mower Deck Group - Housing, Covers, Spindles & Blades
PART NO. DESCRIPTIONREF NO. QTY.
BODY CLIP, 5/16-18 X 1/2 DEEP 1 5022308SM 6 BOLT, 5/16-18 X 3/4 GD5 2 5025011X6SM 6 WASHER, 5/16 SAE 3 5025155SM 8 GUARD, 44" MOWER DECK, LH - ORG (44" Models Only) 4 5061831CSM 1 GUARD, 44" MOWER DECK, RH - ORG (44" Models Only) 5 5061832CSM 1 ROD, BRAKE LINKAGE 6 5042555SM 1 NUT, 5/16-24 HEX NYLON LOCK 7 5025045SM 2 CHUTE, DISCHARGE, RUBBER, 44/48/52 8 5100842SM 1 SUPPORT, DISCHARGE CHUTE, 48/52 - ORG 9 5402362CSM 1 WELD, FRAME, CHUTE, 48/52 - ORG 10 5402361CSM 1 BOLT, 3/8-16 X 1-1/2 GD5 YZ 11 5025013X12SM 2 NUT, 3/8-16 HEX NYLOCK FLANGE 12 5025394SM 2 ASSM, SPINDLE, LOW PROFILE 13 5061095SM 3 BOLT, 5/16-18 X 1 1/4 FLANGE 14 5023156SM 12 NUT, 5/16-18 HEX NYLOCK FLANGE 15 5025392SM 15 BLADE, 15" (SET OF THREE) (44" Models Only) 16 5061827SSM 1 BOLT, 5/8-11 X 1-3/4" GD8 17 5025320X14SM 3 WASHER, 5/8 USS 18 5025159SM 3 WELD, DISCHARGE BAFFLE, 44" - ORG (44" Models Only) 19 5401283CSM 1 SAFETY WALK, 4.00 X 7.50 20 5101004SM 1
21 5600218SM 1
32 5600203SM 1
DECK SHELL W/DECALS, 44, IS500Z (SV) (Includes Safety Decals for Mower Deck) (44" Models Only)
BOLT, 5/16-18 X 3/4 FLANGE 22 5025411SM 1 BOLT, 5/16-18 X 1, CARRIAGE 23 5025145X8SM 1 BOLT, 5/16-18 X 3/4", CARRIAGE 24 5025145X6SM 1 KIT, DISCHARGE CHUTE, 44/48/, ORANGE (SV) (Includes Ref. Nos 8 - 12) 25 5600089SM 1 SPRING, TORSION 26 5023385SM 1 CAP, PROTECTOR, .120 ID 27 5023489SM 1 GUARD, DECK, RH (48" Models Only) 28 5049881CSM 1 GUARD, DECK, LH (48" Models Only) 29 5049882CSM 1 BLADE SET, 48 BLADE (48" Models Only) 30 5020843SSM 1 WELD, DISCHARGE BAFFLE, 48" - ORG (48" Models Only) 31 5401271CSM 1 DECK SHELL W/DECALS, 48, ZT4000 (SV) (Includes Safety Decals for Mower Deck)
(48" Models Only) WASHER, 5/16 FENDER 33 5025164SM 1 TUBE, 1/2 X 3/8 BLACK POLY, 8.00 LG 34 5050086X8SM 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
43
Not for
Reproduction
44" & 48" Mower Deck Group - Pulleys, Belts & Idler Arm
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5301162
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
44
Not for
Reproduction
44" & 48" Mower Deck Group - Pulleys, Belts & Idler Arm
PART NO. DESCRIPTIONREF NO. QTY.
SPACER, .52 X 1.00 X .44 1 5045023SM 1 KEY, 1/4" SQ. X 1-1/4 2 5050407X5SM 3 SPACER, .52 X 1.25 X .70 3 5047142SM 2 PLATE, SPRING ANCHOR 4 5402555CSM 1 KIT, PULLEY & SHIELD (Includes Part Nos 5021976 & 5101103) 5 5600184SM 2 SPACER, .50 X 1.00 X 2.00 6 5043607SM 1 SPRING, EXTENSION, SWIVEL END 7 5023340SM 1 BELT, # 7-8701 141.75 (44" Models Only) 8 5023496SM 1 PULLEY, 5.72., 48" DECK 9 5023175SM 3 GREASE FITTING, 1/4-28 STRAIGHT 10 5020095SM 1 NUT, 1/2-13 HEX NYLON LOCK 11 5025056SM 2 WASHER, 1/2" SAE 12 5025158SM 2 WASHER, 1/2" USS 13 5025150SM 2 SPACER, .51 X .75 X .56 14 5047027SM 1 BOLT, 1/2-13 X 5" GD5 YZ 15 5025017X40SM 1 BOLT, 1/2-13 X 3" GD5 16 5025017X24SM 2 NUT, 1/2-13 HEX SIDE LOCK 17 5025332SM 3 PULLEY, IDLER, 6.75 OD X 1.62 FACE 18 5100529SM 1 WASHER, .53 X 1.50 X .25 19 5044913SM 1 NUT, 5/16-18 HEX SERRATED FLANGE (SMALL) 20 5025127SM 2 SPACER, .52 X 1.00 X 3.50 21 5045022SM 1 SPACER, .52 X 1.00 X .88 22 5044673SM 1 BOLT, 1/2-13 X 3-1/2" GD5 23 5025017X28SM 1 BOLT, 1/2-13 X 2-3/4" GD5 24 5025017X22SM 1 BOLT, 5/16-18 X 1-1/4" GD5 YZ 25 5025011X10SM 1 WELD, IDLER ARM 26 5401621CSM 1 BUSHING, FLANGE 27 5021541SM 2 NUT, 3/4-16 HEX 28 5025405SM 3 WASHER, 3/4" BELLEVILLE 29 5025406SM 3 SHIELD, PULLEY BEARING 30 5101103SM 3 BELT, # 7-8671, 147.4 (48" Models Only) 31 5023297SM 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
45
Not for
Reproduction
44" & 48" Mower Deck Group - Rollers & Casters
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5301488
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
46
Not for
Reproduction
44" & 48" Mower Deck Group - Rollers & Casters
PART NO. DESCRIPTIONREF NO. QTY.
NUT, 3/8-16 HEX NYLOCK FLANGE 1 5025394SM 2
2 1714760SM 4
WHEEL- 2.00 WIDE 3.92 DIA 0.531ID POLY (44" MODEL QTY. 2) (48" MODEL QTY. 4)
BOLT, 3/8-16 X 6 GD5 YZ (48" MODEL ONLY) 3 5025013X48SM 2 SPACER, .38 X .50 X 5.06 (48" MODEL ONLY) 4 5046586SM 2 WASHER, 3/8 SAE 5 5025156SM 2 WASHER, 1/2 SAE (48" MODEL ONLY) 6 5025158SM 4 SPACER, .38 X .50 X 1.25 (44" MODEL ONLY) 7 5041931SM 4 SPACER, .51 X .75 X .56 (44" MODEL ONLY) 8 5047027SM 2 BOLT, 3/8-16 X 3-1/2 GD5 YZ (44" MODEL ONLY) 9 5025013X28SM 2
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
47
Not for
Reproduction
44" & 48" Mower Deck Group - Striper Roller
NOTE: Unless noted otherwise, use the standard hardware torque specification chart.
5301443
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
48
Not for
Reproduction
44" & 48" Mower Deck Group - Striper Roller
PART NO. DESCRIPTIONREF NO. QTY.
WELD, MOUNT, STRIPER, LH - ORG 1 5403622CSM 1 WELD, MOUNT, STRIPER, RH - ORG 2 5403623CSM 1 SHAFT, ROLLER (48" Models Only) 3 5046903SM 1 ROLLER, DECK 4 5020785SM 2 COLLAR, 5/8 SPLIT 5 5020441SM 3 COLLAR, 3/4 DOUBLE SPLIT 6 5020594SM 2 BEARING-FLANGE, 5/8 7 5022846SM 2 SHAFT, STRIPER GUIDE WELD - LH 8 5046900CSM 1 SHAFT, STRIPER GUIDE WELD - RH 9 5046901CSM 1 BUSHING, FLANGE 10 5023155SM 4 BOLT, 5/16-18 X 1-1/4 GD5 YZ 11 5025011X10SM 8 BOLT, 1/4-20 X 3/4 GD5 YZ 12 5025010X6SM 8 WASHER, 5/16 SAE 13 5025155SM 4 WASHER, 1/4 SAE 14 5025154SM 8 NUT, 1/4-20 HEX SERR. FLANGE 15 5025126SM 8 WASHER, 5/16 GD.9 FLAT 16 5025292SM 4 NUT, 5/16-18 HEX SERRATED FLANGE (LARGE) 17 5025139SM 4 NUT, 5/16-18 HEX NYLON LOCK 18 5025057SM 4 SPRING, COMP, 1.1 X OD. X .085 WIRE X 5 19 5022845SM 2 BAR, 5/8 CRR 21.87 LONG (44" Models Only) 20 5050503X21P87 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
5900707 - ZT4000B24 5900765 - ZT4000B26
Briggs and Stratton Yard Power Products Group
Milwaukee, WI, USA. All rights reserved
2009Copyright © by Briggs and Stratton Corporation
49
Not for
Reproduction
Not for
Reproduction
Hex Head Capscrew
Hex Nut
Lockwasher
Washer
Carriage Bolt
Hardware Identification & Torque Specifications
Screw, 1/2 x 2
Body
Diameter
Body
Length
Inside Diameter
Nut, 1/2”
No
Marks
3/8” Bolt or Nut
Wrench—9/16”
3/8
5/16” Bolt or Nut
Wrench—1/2”
5/16
1/4” Bolt or Nut
Wrench—7/16”
1/4
1/2” Bolt or Nut
Wrench—3/4”
1/2
DIA.
7/16 DIA.
7/16” Bolt or Nut
Wrench (Bolt)—5/8”
Wrench (Nut)—11/16”
Wrench & Fastener Size Guide
0
1/4 3/4
1/2
1
1/4 3/4
1/2
2
1/4 3/4
1/2
3
1/4 3/4
1/2
4
Common Hardware Types
Torque Specification Chart
FOR STANDARD MACHINE HARDWARE (Tolerance ± 20%)
Hardware Grade
Size Of
Standard Hardware Sizing
When a washer or nut is identified as 1/2”, this is the
Nominal size
second number is present it represent the
When bolt or capscrew is identified as 1/2 - 16 x 2”, this means the second number represents the example, and the final number is the bolt or screw (in this example 2 inches long).
The guides and ruler furnished below are designed to help you select the appropriate hardware and tools.
, meaning the
Nominal size
inside diameter
, or
body diameter
threads per inch
is 1/2 inch; if a
threads per inch
is 1/2 inch; the
body length
(16 in this
of the
Hardware ft/lbs Nm. ft/lbs Nm. ft/lbs Nm.
8-32 8-36 10-24 10-32 1/4-20 1/4-28 5/16-18 11 15.0 17 23.1 25 34.0 5/16-24 12 16.3 19 25.8 27 34.0 3/8-16 20 27.2 30 40.8 45 61.2 3/8-24 23 31.3 35 47.6 50 68.0 7/16-14 30 40.8 50 68.0 70 95.2 7/16-20 35 47.6 55 74.8 80 108.8 1/2-13 50 68.0 75 102.0 110 149.6 1/2-20 55 74.8 90 122.4 120 163.2 9/16-12 65 88.4 110 149.6 150 204.0 9/16-18 75 102.0 120 163.2 170 231.2 5/8-11 90 122.4 150 204.0 220 299.2 5/8-18 100 136 180 244.8 240 326.4 3/4-10 160 217.6 260 353.6 386 525.0 3/4-16 180 244.8 300 408.0 420 571.2 7/8-9 140 190.4 400 544.0 600 816.0 7/8-14 155 210.8 440 598.4 660 897.6 1-8 220 299.2 580 788.8 900 1,244.0 1-12 240 326.4 640 870.4 1,000 1,360.0
1. These torque values are to be used for all hardware excluding: locknuts, self-tapping screws, thread forming screws, sheet metal screws and socket head setscrews.
2. Recommended seating torque values for locknuts:
a. for prevailing torque locknuts - use 65% of grade 5
b. for flange whizlock nuts and screws - use 135% of
3. Unless otherwise noted on assembly drawings, all torque values must meet this specification.
SAE Grade 2 SAE Grade 5 SAE Grade 8
in/lbs in/lbs
19
2.1
20
2.3
27
3.1
31
3.5
66
7.6 8 10.9 12 16.3
76
8.6 10 13.6 14 19.0
torques.
grade 5 torques.
30 31 43 49
NOTES
in/lbs
3.4
3.5
4.9
5.5
41 43 60 68
4.6
4.9
6.8
7.7
Not for
Reproduction
MANUFACTURING, INC.
500 N. Spring Street / PO Box 997 Port Washington, WI 53074-0997 USA
www.simplicitymfg.com
Briggs and Stratton Yard Power Products Group
2009Copyright © by Briggs and Stratton Corporation
Milwaukee, WI, USA. All rights reserved
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