Parts Manual
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.:
TP 400-7340-M-50-S
Table Of Content
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
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
2009 Copyright © by Briggs and Stratton Corporation
4
TP 400-7340-M-50-S
Main Frame & Front Suspension Group
PART NO. DESCRIPTION REF 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
2009 Copyright © by Briggs and Stratton Corporation
5
TP 400-7340-M-50-S
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
2009 Copyright © by Briggs and Stratton Corporation
6
TP 400-7340-M-50-S
Rear Bumper & ROPS Group
PART NO. DESCRIPTION REF 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
2009 Copyright © by Briggs and Stratton Corporation
7
TP 400-7340-M-50-S
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
2009 Copyright © by Briggs and Stratton Corporation
8
TP 400-7340-M-50-S
Engine & PTO Group - 24HP & 26HP Briggs & Stratton
PART NO. DESCRIPTION REF 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
2009 Copyright © by Briggs and Stratton Corporation
9
TP 400-7340-M-50-S
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
2009 Copyright © by Briggs and Stratton Corporation
10
TP 400-7340-M-50-S
Instrument & Control Panel Group
PART NO. DESCRIPTION REF 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
2009 Copyright © by Briggs and Stratton Corporation
11
TP 400-7340-M-50-S
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
2009 Copyright © by Briggs and Stratton Corporation
12
TP 400-7340-M-50-S
Pump Drive Group
PART NO. DESCRIPTION REF 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
2009 Copyright © by Briggs and Stratton Corporation
13
TP 400-7340-M-50-S
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
2009 Copyright © by Briggs and Stratton Corporation
14
TP 400-7340-M-50-S
Motion Control Group
PART NO. DESCRIPTION REF 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
2009 Copyright © by Briggs and Stratton Corporation
15
TP 400-7340-M-50-S
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
2009 Copyright © by Briggs and Stratton Corporation
16
TP 400-7340-M-50-S