Parts Manual fo
20 HP HYDRO DRIVE ZTR
375Z SERIES
MODEL
375ZB2050CE (5900735)
Briggs & Stratton Yard Power Products Group
535 Macon Road
McDonough, GA, 30253 U.S.A.
800-935-2967
Revision IR,
Manual No. 5101533
TP 400-7380-IR-HZ-N 8/13/2008
PAGE GROUP
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Wheel & Tire Group
Main Frame & Front Suspension Group
Rear Suspension Group
Seat & Kickplate Group
Fuel Tank Group
Fuel Supply Hose & Tank Replacement Parts Group
Engine & PTO Group
Control Group Upper
Control Group Lower
Brake Group
Drive Group
Hydraulic Group
Hydraulic Pump SERVICE PARTS - BDP/PG Series
Bumper Group
Lift Group
50" Mower Deck - Housing, Arbors & Blades
50" Mower Deck - Belt & Idler Group
50" Mower Deck - Roller Group
Decal Group - Brand & Model
Export Decal Group - Saftey & Common
Control Group Panel
Electrical Group
Table Of Content
24 HP HYDRO DRIVE ZTR
375Z SERIES
Manual No. 5101533
3
TP 400-7380-IR-HZ-N
Wheel & Tire Group
Manual No. 5101533
TP 400-7380-IR-HZ-N
24 HP HYDRO DRIVE ZTR
4
375Z SERIES
Wheel & Tire Group
Part No Descri
1 5022433 2 WHEEL & TIRE ASSEMBLY, 11 X 4.0 - 5, COMPLETE (Includes Ref. Nos. 2 - 6) (S/N:
2 5022433X1 2 TIRE, FRONT, 11 X 4.0 - 5
3 5022433SX2 2 WHEEL ASSEMBLY, COMPLETE (Includes Ref. Nos. 4 & 5)
4 2172353 4 VALVE STEM & CAP ASSEMBLY
5 5021042 4 BEARING, ROLLER (2 Per Tire)
6 5021043 4 BEARING RETAINER (2 Per Tire)
7 5045996 2 AXLE, FRONT CASTER
8 5025017X52 2 BOLT, 1/2-13 X 6-1/2
9 5025056 2 NUT, HEX NYLON LOCK, 1/2-13
10 5023095 2 WHEEL & TIRE ASSEMBLY, 20 X 8.0 - 10, COMPLETE (Includes Ref. Nos. 4, 11 & 12)
11 5023095X1 2 TIRE, REAR, 20 X 8.0 X 10
12 5023095X2 2 WHEEL ASSEMBLY, FOR 20 X 8.0 X 10 TIRE
13 5020601 8 LUG NUT, 1/2-20
14 5025158 4 WASHER, SAE, 1/2
15 5101418 2 WHEEL, CASTER, 11 X 4.0-5 SILVER BEAD LO (Includes Ref. Nos. 2, 4-6, 16)
16 5101418X1 2 WHEEL ASSEMBLY, COMPLETE (Includes Ref. Nos. 4 & 5)
tion Item Qt
Note
2013129510 & Below)
(S/N: 2013129511 & Above)
Footnotes:
Manual No. 5101533 24 HP HYDRO DRIVE ZTR
375Z SERIES
5
TP 400-7380-IR-HZ-N
Main Frame & Front Suspension Group
Manual No. 5101533
TP 400-7380-IR-HZ-N
24 HP HYDRO DRIVE ZTR
6
375Z SERIES
Main Frame & Front Suspension Group
Part No Descri
1 5401035D 1 WELD, MAIN FRAME, SMI
2 5021541 4 BUSHING, FLANGE
3 5023213 2 SHOCK, SPRING ASSEMBLY
4 5045990 2 DECK FRICTION REDUCER PLATE
5 5400756 1 SPACER, .76X 1.50 X .79
6 5047489 1 SPACER, .75 X 1.00 X 2.38
7 5022852 1 PIVOT BEARING, 1.00" X 1.125" OD X 1.50"
8 5023214 2 CAP, VINYL 1.687 X 1-1/2
9 5048775D 2 WELD, CASTER YOKE
10 5400962D 1 WELD, PIVOTING FRONT END
11 5025392 8 NUT, 5/16-18 HEX NYLOCK FLANGE
12 5025155 8 WASHER, 5/16" SAE
13 5025284 1 NUT, 3/4-16 HEX NYLON LOCK
14 5025265X56 1 BOLT, 3/4-16 X 7.00" YZ GD5
15 5025160 1 WASHER, 3/4" SAE
16 5025057 8 NUT, 5/16-18 HEX NYLON LOCK
17 5025303 8 SCREW, 5/16-18 X 1 FLAT HD SC
18 5025011X 2 BOLT, 5/16-18 X 3-3/4 GD5
19 5025011X14 2 BOLT, 5/16-18 X 1-3/4" GD5 YZ
20 5020602 2 COLLAR, 1" SPLIT
21 5100358 1 PIVOT BEARING, 1.00" X 1.125" OD X .50"
22 5020095 2 GREASE FITTING, 1/4-28 STRAIGHT
23 5401053D 2 PLATE, DECK STOP
24 5025011X6 4 BOLT, 5/16-18 X 3/4" GD5
tion Item Qt
Note
Footnotes:
Manual No. 5101533 24 HP HYDRO DRIVE ZTR
375Z SERIES
7
TP 400-7380-IR-HZ-N
Rear Suspension Group
Manual No. 5101533
TP 400-7380-IR-HZ-N
24 HP HYDRO DRIVE ZTR
8
375Z SERIES
Rear Suspension Group
Part No Descri
1 5400065 2 SPACER, .34 X 1.54 X .25 UHMW
2 5020095 2 GREASE FITTING, 1/4-28 STRAIGHT
3 5023483 2 SHOCK
4 5401012D 1 WELD, TIE BAR
5 5021541 4 BUSHING, FLANGE
6 5100194 2 SPACER, .52 X 1.00 X 5.00
7 5400973D 1 WELD, TRAILING ARM, RH
8 5400972D 1 WELD, TRAILING ARM, LH
9 5025158 2 WASHER, 1/2" SAE
10 5025017X52 2 BOLT, 1/2-13 X 6-1/2" GD8 YZ
11 5025396 2 NUT, 1/2-13 HEX NYLOCK FLANGE
12 5025171 8 WASHER, 3/8" SPLIT LOCK
13 5100334 2 SPACER, .39 X 1.00X .63
14 5025013X20 2 BOLT, 3/8-16 X 2-1/2" GD5 YZ
15 5025303 2 SCREW, 5/16-18 X 1 FLAT HD SC
16 5025392 2 NUT, 5/16-18 HEX NYLOCK FLANGE
17 5025293 8 WASHER, 3/8" GD.9 FLAT
18 5025165 10 WASHER, 3/8" FENDER
19 5025394 12 NUT, 3/8-16 HEX NYLOCK FLANGE
20 5025305 2 WASHER, .41 X 1.75 X .14
21 5025013X14 2 BOLT, 3/8-16 X 1-3/4" GD5
22 5025013X8 16 BOLT, 3/8-16 X 1" GD5 YZ
tion Item Qt
Note
Footnotes:
Manual No. 5101533 24 HP HYDRO DRIVE ZTR
375Z SERIES
9
TP 400-7380-IR-HZ-N
Seat & Kickplate Group
Manual No. 5101533
TP 400-7380-IR-HZ-N
10
24 HP HYDRO DRIVE ZTR
375Z SERIES
Seat & Kickplate Group
Part No Descri
1 5049978 1 SAFETY WALK, 11.50 X 17.38
2 5401027D 1 PLATE, FLOOR DETAIL
3 5049979 1 SAFETY WALK, 17.38 X 6.00
4 5400528D 1 WELD, SEAT PLATE
5 5061599 1 SEAT, XB-180, NO LOGO, BLACK
6 5400361D 1 MOUNT, OIL FILTER
7 5025013X8 2 BOLT, 3/8-16 X 1" GD5 YZ
8 5025394 4 NUT, 3/8-16 HEX NYLOCK FLANGE
9 5025013X32 1 BOLT, 3/8-16 X 4" GD5 YZ
10 7078299 2 SPRING, SEAT SUPPORT
11 5025292 10 WASHER, 5/16" GD.9 FLAT
12 5025011X8 10 BOLT, 5/16-18 X 1" GD5 YZ
13 5025392 10 NUT, 5/16-18 HEX NYLOCK FLANGE
14 5025156 2 WASHER, 3/8" SAE
15 5025013X40 1 BOLT, 3/8-16 X 5" GD5 YZ
16 5025057 4 NUT, 5/16-18 HEX NYLON LOCK
17 5100636 1 SPRING, SEAT ADJUSTMENT
tion Item Qt
Note
Footnotes:
Manual No. 5101533 24 HP HYDRO DRIVE ZTR
375Z SERIES
11
TP 400-7380-IR-HZ-N
Fuel Tank Group
Manual No. 5101533
TP 400-7380-IR-HZ-N
12
24 HP HYDRO DRIVE ZTR
375Z SERIES
Fuel Tank Group
Part No Descri
1 5025011X6 16 BOLT, 5/16-18 X 3/4" GD5
2 5025155 20 WASHER, 5/16" SAE
3 5025392 8 NUT, 5/16-18 HEX NYLOCK FLANGE
4 5025299X4 2 SCREW, 1/4-20 X 1/2" ALLEN BH
5 5025386 6 SCREW, #10-24 X 3/8" ALLEN BHBZ
6 5025170 10 WASHER, 5/16" LOCK
7 5025011X8 4 BOLT, 5/16-18 X 1" GD5 YZ
8 5101181 1 TANK, FUEL, LH
9 5048909D 2 PLATE, FUEL TANK BADGE
10 5048763D 1 BRACKET, REAR SUPPORT - RH
11 5400836D 1 BRACKET, REAR SUPPORT - LH
12 5022158D 1 CAP, FUEL TANK, 3-1/2" NECK
13 5048752 1 TANK, FUEL, RH
14 5400919D 1 PLATE, SUPPORT, REAR TANK
15 5023345 1 TANK, 2 QT HYDRAULIC
16 5023191D 1 CAP, HYDRAULIC RESERVOIR
17 5023197D 1 FUEL GAUGE (Not Shown)
18 5022917X1 1 GROMMET (Not Shown)
tion Item Qt
Note
Footnotes:
Manual No. 5101533 24 HP HYDRO DRIVE ZTR
375Z SERIES
13
TP 400-7380-IR-HZ-N
Fuel Supply Hose & Tank Replacement Parts Group
Manual No. 5101533
TP 400-7380-IR-HZ-N
14
24 HP HYDRO DRIVE ZTR
375Z SERIES
Fuel Supply Hose & Tank Replacement Parts Group
Part No Descri
1 5020835 2 CLAMP, HOSE, EXTERNAL, 1/2 - RED
2 5050831X22 1 HOSE, 1/4" FUEL, 22.00"
3 5023061 1 ELBOW FITTING
4 1654930 1 GROMMET
5 5020835 2 HOSE CLAMP
6 5050925X28 1 HOSE, 28"
7 5023067 1 SCREEN FITTING
tion Item Qt
Note
Footnotes:
Manual No. 5101533 24 HP HYDRO DRIVE ZTR
375Z SERIES
15
TP 400-7380-IR-HZ-N
Engine & PTO Group
Manual No. 5101533
TP 400-7380-IR-HZ-N
16
24 HP HYDRO DRIVE ZTR
375Z SERIES
Engine & PTO Group
Part No Descri
1 5061857D 1 PLATE, CLUTCH ANCHOR
2 5043636 1 CLUTCH ANCHOR PAD
3 5044617 3 WASHER, .34 X 1.25 X 10 GA
4 5025011X8 5 BOLT, 5/16-18 X 1" GD5 YZ
5 5025392 9 NUT, 5/16-18 HEX NYLOCK FLANGE
6 5025155 14 WASHER, 5/16" SAE
7 5050407X18 1 KEY, 1/4" SQ. X 2 1/4
8 5048262D 2 BRACKET, SUPPORT, MUFFLER
9 5042132 1 SPACER, .45 X 1.62 X .37
10 5025011X6 4 BOLT, 5/16-18 X 3/4" GRD5
11 5025139 4 NUT, 5/16-18 HEX LG SERR FLG.
12 5023253 1 BOLT, CRANKSHAFT, 7/16-20 X 3-1/4"
13 5401071D 1 PLATE, HEAT SHIELD
14 5023100 1 CLUTCH, # 51110100, ELECTRIC, 1" SHAFT
15 5023187 1 MUFFLER, ACS - 20HP BRIGGS
16 -- 1 * ENGINE, 20 HP BRIGGS VANGUARD
17 5025011X18 4 BOLT, 5/16-18 X 2-1/4" GD5 YZ
18 5048681 1 HOSE, OIL DRAIN
19 5025188 2 WASHER, 5/16" INT. TOOTH LOCK
20 5021500 1 CLAMP, VINYL INSULATED
21 5025010X6 1 BOLT, 1/4-20 X 3/4" GD5 YZ
22 5025126 1 NUT, 1/4-20 HEX SERR. FLANGE
tion Item Qt
Note
Footnotes:
NOTE* Purchase engine parts from engine manufacturer dealer.
Manual No. 5101533 24 HP HYDRO DRIVE ZTR
375Z SERIES
17
TP 400-7380-IR-HZ-N
Control Group Upper
Manual No. 5101533
TP 400-7380-IR-HZ-N
18
24 HP HYDRO DRIVE ZTR
375Z SERIES