Parts Manual for
HYDRO DRIVE ZTR 42" & 50"
AUSTRALIAN
150Z SERIES
MODEL
SC2142 (7800390)
SC2450 (7800391)
Briggs & Stratton Yard Power Products Group
535 Macon Road
McDonough, GA, 30253 U.S.A.
800-935-2967
Manual No. 7006272
TP 400-5418-IR-HZ-N
Revision IR, 10/6/2008
Table Of Contents
PAGE
4
GROUP
Frame, Body & Seat Group
Transmission Group
8
Controls Group
12
16
20
24
26
28
30
32
34
36
38
42
44
Engine Group (21 H.P.)
Engine Group (24 H.P.)
Wheel & Tire Group
Decal Group
Mower Lift Group (42" Deck)
Mower Lift Group (50" Deck)
42" Mower Deck - Clutch & Support Group
42" Mower Deck - Housing & Arbor Group
50" Mower Deck - Clutch & Support Group
50" Mower Deck - Housing & Arbor Group
Electrical Group
Wiring Schematic
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No. 7006272
TP 400-5418-IR-HZ-N
3
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
4
Frame, Body & Seat Group
Item Part No
Qty Description
Note
1
2
3
4
5
6
7
8
9
1733448A
1960160
1611710
1734135
1730186
1733426A
1733571
1960687
2860744
2
4
2
2
2
1
2
3
1
1
1
1
2
2
2
1
14
2
1
1
1
2
4
2
2
WELDMENT, Caster Yoke & Spindle- Black
WASHER, .75 ID x 1.60 OD x .05 Thick Flat (Black)
KLIPRING, External for .750 Dia. Shaft
CAP, Hub 1.481 I.D. x .62 Long Red Poly
BUSHING, Axle Pivot PM Yellow
AXLE, Front Iron Casting Machined ZT
SHOULDER BOLT, 3/8-16 x 3” Long .50 Sh GR5 Black
NUT, 3/8-16 Hex Flange Nyloc
SCREW, 5/8-11 x 3-1/4” Hex Head Cap, GR5 Yellow
WASHER, 0.64 I.D. x 1.75 O.D. x .11 Thick, Black
NUT, Hex Flange 5/8-11 Two Way Lock Yellow
BRACKET, Footrest Support, Black
10 1960035
11 2860646
12 1733304A
13 1930601
14 1960368
15 1921333
16 1726025D
17 1960694
18 1931317
19 1726306
20 1726018
21 7300752A
22 1960518
23 1935255
24 720107
SCREW, 5/16-18 x .62 Taptite
SPEED NUT, 1/4-20 Lug Type .025/.150 Black
SCREW, 5/16-18 x 1” Hex Head Cap
PANEL, Footrest, ZT 7000, Red
NUT, 1/4-20 Hex Flange Nyloc, Black
BOLT, 1/4-20 x 2” Round Head Short Square Neck, GR5, Black
PAD, Footrest Center Black Vinyl
ASSEMBLY, Seat w/Arm Rests
PANEL, Front - Manual Brake & Deck Lift
RETAINER, 1/4” Bolt
SPEED NUT, 5/16 -18 Lug Type .025/.150 B
SHOULDER BOLT, 5/16-18
25 1960223
BOLT, 5/16-18 x 1-1/4” Round Head Short Square Neck GR5,
Black
26 1728086
27 1931277
28 1716654
29 1960295
30 1960738
31 7102141
32 1673320
33 1733227A
34 1733965A
35 1734145
36 1734252A
37 1960715
2
4
2
6
2
1
3
1
1
1
1
8
PIVOT, Hood (Powdered Metal)
NUT, 5/16-18 Hex Flange Lock, Small - Black
BOLT, 5/16-18 Idler Pivot
SCREW, 1/4-20 x 5/8” Hex Whiz Lock Flange
SCREW, 5/16-18 x 3/4” Hex Flange Lock Dog Point
SCREEN, Deck Top
RIVET, .188 x .617 Large Flange
WELDMENT, Frame - 42” & 50” ZT (Black)
SUPPORT, Seat Deck, ZTS - Black
SEAT DECK, Red Poly, ZTS - Red
PLATE, Control, ZTS - Black
SCREW, 1/4-20 x 3/4” Truss Head Torx Black
Footnotes:
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
5
Frame, Body & Seat Group
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
6
Frame, Body & Seat Group
Item Part No
Qty Description
Note
37 1930594
38 7091591
39 1728986
40 1728987
41 1960534
42 1735680
43 2820426
44 1734392A
45 1921221
46 1919381
47 7090189
48 7024340
49 1933988
50 1734323A
51 1921977
52 1726390
53 1715962A
54 1925003
55 1733393A
56 1920415
57 1931942
58 1677021SM
59 1960686
60 7102378
61 1734320
62 7102690
63 1674792
64 1726400
6
4
1
1
1
1
2
2
1
1
1
1
4
1
5
2
1
6
1
1
1
1
9
1
1
1
1
1
SCREW, 1/4-20 x 3/4” Hex Flange Lock Black
BOLT, 5/16-18 x 1” Hex Flange Lock YZ
PAD, Footrest RH Black Vinyl w/Adhesive
PAD, Footrest LH Black Vinyl w/Adhesive
WASHER, .375 Flat (0.41 I.D. x 1.50 O.D. x .25 Thick) Black
TRIM, 8”
WASHER, 5/16” External Tooth Lock Washer, Yellow
GUARD, Debris, ZTR - Black
SCREW, 5/16-18 x 1-1/2” Hex Head Cap, GR5, Black
WASHER, 5/16” Flat (.341 I.D. x 1.00 O.D. x .13 Thick) Black
WASHER 5/16” Internal/External Tooth Lock, BZ
SPACER, .316 x .375 x .300/.310
PUSH NUT, 5/16” Dia. Thread .625 O.D. Black (Pal)
STRAP, Fuel Tank Brace
SCREW, 5/16-18 x 1-1/4” Hex Head Cap, GR5, Black
BUMPER, Rubber 1.50 DIA 0.5 Thick
SHROUD, Rear, ZTR 14+16, Cor, Black
SCREW, 1/4-20 x 1/2” Hex Washer Head Screw Black (Taptite)
SUPPORT, Seat Deck - Black
SCREW, 3/8-16 x 1-1/4” Hex Head Cap, GR5, Black
PUSH NUT, .375 Dia. Thread .781 O.D. Black (Pal)
KIT, Arm Rest L.H. & R.H.
NUT, 5/16-18 Hex Flange Nyloc
ASSEMBLY, Fuel Tank (incl. below items 61 thru 64)
ASSEMBLY, Fuel Cap (Vented)
TUBE, Fuel Pickup (not shown)
ELBOW, Gas Tank (not shown)
BUSHING, Fuel (not shown)
Footnotes:
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
7
Transmission Group
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
8
Transmission Group
Item Part No
Qty Description
Note
1
1960223
2
BOLT, 5/16-18 x 1-1/4” Round Head Short Square Neck GR5,
Black
2
3
4
5
6
7
8
9
1919381
1703900
1960684
1727555
1727556
1727831
1930650
1927120
4
2
2
1
1
2
6
4
4
6
1
1
1
1
WASHER, 5/16” Flat (.341 I.D. x 1.00 O.D. x .13 Thick) Black
SPACER, .323 I.D. x .500 O.D. x 0.270 Long Heat Treated
NUT, 5/16-18 Hex Keps Conical Washer, Black
ROD, Control, LH (.500 Dia. X 27.88 Long)
ROD, Control, RH (.500 Dia. X 27.88 Long)
SHOULDER BOLT, 7/16-14 x 1.07 Long, GR5
NUT, 7/16-14 Hex Flange Lock Two Way Ga - Black
SCREW, 7/16-14 x 2-1/4” Hex Head Cap, GR8 - Black
SCREW, 5/16-18 x 2-3/4” Hex Head Cap, GR5 - Black
WASHER, .312 (.34 I.D. x.75 O.D.)
10 1923141
11 1919326
13 1717024
14 1733913
15 1960268
16 1960758
CLIP, Rod End Clevis RH (for .188 Dia. Rod)
ROD, Tow Valve LH (.156 Dia. 5.05 Long)
BOLT, 3/8-16 x 1-1/4” Round Head Short Square Neck, Black
BOLT, 1/2-13 x 1-1/2” Round Head Short Square Neck, GR5,
Black
17 1733305A
18 1921719
19 1725550
20 1733914
21 1931277
22 5020601
23 1733309A
24 1733351
25 1733352
26 1733302A
27 1960687
28 5025396
29 1728976
30 1924874
31 1927557
33 1732224
34 1930645
35 1924356
36 1921210
37 1734316
38 1729007
1
2
1
1
6
8
1
1
1
1
3
1
1
1
1
1
2
2
2
1
1
DRAWBAR, Black
SCREW, 5/16-18 x 2-1/2” Hex Head Cap, GR5, Black
CLIP, Rod End Clevis LH (for .188 Dia. Rod)
ROD, Tow Valve RH (.156 Dia. 5.05 Long)
NUT, 5/16-18 Hex Flange Lock, Small - Black
NUT, 1/2-20, (for Wheel Bolt) Silver
SUPPORT, Transmission Center - Black
TRANSMISSION- Hydro Gear EZT LH (ZC-AHBB-2A7B-1DPX)
TRANSMISSION- Hydro Gear EZT RH (ZC-DHBB-2A7C-1DPX)
SUPPORT, Transmission Rear - Black
NUT, 3/8-16 Hex Flange Nyloc
NUT, 1/2-13 Hex Flange Nyloc
SHOULDER BOLT, 5/16-18, GR5
WASHER, 5/16 Flat (.341 I.D. x .87 O.D. X .06 Thick) Black
NUT, 5/16-18 Hex Flange Lock Large, Black
* V-BELT, Transmission Drive (HA Sect. 54.40 Effective Length)
NUT, 3/8-16 Hex Flange Lock Two Way Ga Black
WASHER
SCREW, 3/8-16 x 1” Hex Head Cap, GR5, Black
SPRING, Extension
SPACER (.387 I.D. x 1.50 O.D. x 1.04 Long (Powdered Metal)
Yellow
39 1733303A
1
ARM, Idler (Transmission Drive) Black
Footnotes:
Note: * Part number printed on belt.
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
9
Transmission Group
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
10
Transmission Group
Item Part No
Qty Description
Note
40 1721133
41 1924940
42 1708352A
43 1923701
43 7091553
44 1931942
45 1960759
46 1933988
47 1728073
48 1728074
49 1728075
50 1728060
51 1687283
52 1733870
53 5020601
54 1728076
55 1716622
56 1735490
57 1735491
58 1735483SM
1
2
1
1
1
1
1
2
2
2
1
1
2
2
2
1
1
1
1
1
PULLEY, Idler
WASHER, .375 Flat (.41 I.D. x .87 O.D.)
BELT GUIDE
SCREW, 3/8-16 x 2” Hex Head Cap, GR5
SCREW, 3/8-16 x 1-3/4” Hex Head Cap, GR5
NUT, Push Pal, 3/8”
NUT, Push Pal, 1/2”
NUT, Push Pal .312 Dia. Thread .625 O.D. Black
PULLEY, 4-1/2” Transmission
FAN, 6” Transmission
BRAKE ARM & PIN, Hydro-Gear
KIT, Hydro Seal
KIT, Hub Replacement
HUB, EZT Transmission
NUT, EZT Transmission
GEAR, Parking Brake, Transmission
CLIP, E Transmission Parking Brake
KIT, L.H. Control Arm
KIT, R.H. Control Arm
SPRING, Extension (Used on Hydro-Gear P/N ZC-AHBB-2A7B-
1DPX and ZC-AHBB-2A7B-1DPX)
Footnotes:
Note: * Part number printed on belt.
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
11
Controls Group
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
12
Controls Group
Item Part No
Qty Description
GRIP, Foam Handle Bar
Note
1
2
3
4
5
6
7
8
9
1726410
1727796A
1960686
1720452
1919381
1960086
1917356
1727926A
1727927A
2
2
10
2
6
4
4
1
1
4
4
2
2
1
1
1
3
1
3
2
1
1
7
4
1
1
1
1
1
1
1
4
2
1
2
8
2
TUBE, Handle
NUT, 5/16-18 Hex Flange Nyloc
CLAMP, Tube, Saddle
WASHER, 5/16” Flat (.341 I.D. x 1.00 O.D. x .13 Thick) Black
SCREW, 5/16-18 x 7/8” Truss Head Torx, Black
LOCKWASHER, Spring 5/16” - Black
BRACKET, Tube Mount LH
BRACKET, Tube Mount RH
10 1931338
11 1931335
12 1727663A
13 1727919
14 1728010A
15 1728009A
16 7300992A
17 7091298
18 7015761
19 1960027
20 7091591
21 7300993A
22 7090188
23 1920161
24 1722460
25 7072403
26 7102567
27 7102551
28 1727814A
29 1709314
30 1729277
31 1960694
32 1925003
33 1727933A
34 1726839
35 1960717
36 1931277
37 1960723
BOLT, 5/16-18 x 1-3/4” Round Head Short Square Neck, GR5
BOLT, 5/16-18 x 1” Round Head Short Square Neck, GR5 Zinc
BRACKET, “L” Switch
CLIP, Brake
BRACKET, RH Mounting Handle Pivot
BRACKET, LH Mounting Handle Pivot, Black
BRACKET, Brake Pivot- ZT
NUT, 5/16-18-3B Hex Nyloc
SHOULDER BOLT, 5/16-18
WASHER, 1/2” Flat
BOLT, 5/16-18 x 1” Hex Flange Lock YZ
ARM, Brake Pivot - ZT
WASHER, .34 x .69 x .08 Flat
NUT, 5/16-18 Hex Jam, Black
HAIR PIN
KNOB, w/5/16-18 NILN (Brake/Clutch)
ROD, Park Brake- ZT (5/16-18 thread)
ROD, Manual Parking Brake (1/4-20 threads)
BRACKET, Dual Brake
SPRING, Extension
SPRING, Compression
NUT, 1/4-20 Hex Flange Nyloc, Black
SCREW, 1/4-20 x 1/2” Hex Washer Head Screw Black (Taptite)
COVER, Lower Handle
KNOB, 5/16-18 x 1-1/4” Extension Thread
NUT, 5/16-18 Speed (Lug Type .050/.200 Black)
NUT, 5/16-18 Hex Flange Lock, Small - Black
BOLT, 5/16-18 x 2-1/4” Round Head Square Neck, GR5, Black
Footnotes:
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
13
Controls Group
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
14
Controls Group
Item Part No
Qty Description
Note
38 1666697
39 1921977
40 1715025
41 1919438
42 1727603A
43 1921221
44 1727918
45 1703805
46 1725927
4
5
4
4
2
4
2
2
1
SPACER, Powdered Metal
SCREW, 5/16-18 x 1-1/4” Hex Head Cap, GR5, Black
BUSHING
NUT, 5/16-18 Hex Lock Esna Light
WELDMENT, Pivot Control
SCREW, 5/16-18 x 1-1/2” Hex Head Cap, GR5, Black
SHOCK ABSORBER
RING, Klipring Extension (for .500 Dia. Shaft)
SHAFT, Cross
Footnotes:
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
15
Engine Group (21 H.P.)
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
16
Engine Group (21 H.P.)
Item Part No
Qty Description
Note
1
--
1
* ENGINE, 21 HP, B&S, ELS AUSTRALIA, Mod. 33M777-0114-
B1
2
3
4
5
6
7
8
9
7300919A
1936228
1917356
1732259
1731214
1960295
1927557
1667812
1
2
2
1
1
4
4
1
1
1
1
1
1
1
1
4
1
2
1
3
1
1
1
1
1
1
1
2
1
2
1
1
1
1
1
1
HEAT SHIELD, Inner
SCREW, 5/16-18 x 3/4” Hex Head Cap, GR8
LOCKWASHER, Spring 5/16”, Black
WELDMENT, Exhaust Pipe
GASKET, Exhaust B&S
SCREW, 1/4-20 x 5/8” Hex Whiz Lock Flange
NUT, 5/16-18 Hex Flange Lock Large Black
SPACER (.390 x .900 x .70) YZ
BRACKET, Muffler/Heat Shield
BRACKET, Muffler, Heat Resistant
SPACER, .390 I.D. x .90 O.D. x .34 Long, Powdered Metal
SCREW, 5/16-18 x 1-1/4” Hex Head Cap, GR5, Black
MUFFLER ASSEMBLY, Single
SCREW, 5/16-18 x 1-1/2” Hex Head Cap, GR5, Black
HEAT SHIELD, Outer Single
10 1732255
10 7300917
11 1667811
12 1921977
13 1732273
14 1921221
15 7300918A
16 1960720
17 1930591
18 2832747
19 1726498
20 2828635
21 7101716
22 2154096
23 1717664
24 1708264
25 1918199
26 7027266
27 1732885A
28 1919326
29 1733063
30 1675044
31 7900020
32 1924940
33 7101717
34 1931277
35 7102139
41 1734180A
SCREW, #10 x 1/2” Hex Washer Head Self-Tap
SCREW, 5/16-18 x 3/4” Hex Flange Lock
TIE, Self Locking 3-5/8” Long
HOSE, Oil Drain, 16-1/2” Long
SCREW, 3/8-16 x 1-1/4” Hex Washer Head Taptite
PULLEY, Engine - ZT
KEY, .250 Square x .91 Long Parallel
CLUTCH, Ogura JD-11
WASHER, Hex, .453 I.D. x 1-1/2”
LOCKWASHER, Spring, .438
SCREW, 7/16-20 x 3” Hex Head Cap, GR5 (w/Nyloc Patch)
HEAT SHIELD
WASHER, 5/16” (.34 I.D. x 3/4” O.D.)
HEAT SHIELD
RIVET, Pop
CLIP, Harness, 5/8”
WASHER, 3/8”, (.41 I.D. x .87 O.D. x .08 Thick)
RETAINER, Clutch
NUT, 5/16-18 Hex Whiz Lock Flange
SEAL, Foam 1.0 x 3.50 x 12” Long
AIR DUCT, Inlet
Footnotes:
Note: * Purchase engine components directly from engine manufacturer dealer.
Note: ** See Frame, Body & Seat Group for fuel tank assy.
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
17
Engine Group (21 H.P.)
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
18
Engine Group (21 H.P.)
Item Part No
Qty Description
Note
42 1921332
43 7100416
44 7090390
45 7091630
46 7075449
47 7090999
48 7091195
49 7100529
50 1734995
51 7012222
2
1
1
1
1
2
1
1
1
2
SCREW, 5/16-18 x 3/4” Hex Head Cap, Black
CABLE, Choke, 54”
WASHER, 3/8” Internal Tooth Lock
NUT, 3/8-24 Hex
CONTROL, Throttle B&S Intek
SCREW, 1/4-20 x 5/8” Pan Head Taptite Torx
SCREW, #10-16 x 3/4” Pan Head Taptite Combo
KNOB, Throttle, Red
** HOSE, Fuel, Low Perm, 1/4” I.D. x 19-1/2” Long
CLAMP, Fuel Hose
Footnotes:
Note: * Purchase engine components directly from engine manufacturer dealer.
Note: ** See Frame, Body & Seat Group for fuel tank assy.
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
19
Engine Group (24 H.P.)
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
20
Engine Group (24 H.P.)
Item Part No
Qty Description
Note
1
2
3
4
5
6
7
8
9
7027266
1918199
1708264
2832747
1717664
2828635
1924940
7101717
2154096
1
1
1
1
1
3
1
1
1
1
4
4
2
1
1
1
1
1
5
1
1
5
1
1
4
4
2
1
1
1
2
1
1
1
2
1
1
SCREW, 7/16-20 x 3” Hex Head Cap, GR5 (w/Nyloc Patch)
LOCKWASHER, Spring, .438
WASHER, Hex, .453 I.D. x 1-1/2”
TIE, Self Locking 3-5/8” Long
CLUTCH, Ogura JD-11
SCREW, 3/8-16 x 1-1/4” Hex Washer Head Taptite
WASHER, 3/8”, (.41 I.D. x .87 O.D. x .08 Thick)
RETAINER, Clutch
KEY, .250 Square x .91 Long Parallel
PULLEY, Engine - ZT
10 7101716
11 1931277
12 1924856
13 1921332
14 1733414A
15 1726498
16 --
NUT, 5/16-18 Hex Whiz Lock Flange
SCREW, 5/16-18 x 1/2” Hex Washer Head Taptite
SCREW, 5/16-18 x 3/4” Hex Head Cap, Black
AIR DUCT, Inlet
HOSE, Oil Drain, 16-1/2” Long
* ENGINE, 24HP B&S, ELS AUSTRALIA, Mod 44M777-0140-B1
SEAL, Foam Air Inlet
17 1734169
18 1734332
19 1960295
20 1734246A
21 1728017
22 1960368
23 1727939
24 1734061
25 1936228
26 1917356
27 1731214
29 1734333
30 7090390
31 7091630
32 7090999
33 7091195
34 7100529
35 1734995
36 7012222
37 1930591
38 7900020
CONTROL, Throttle, .187 Cable 18.80 Long
SCREW, 1/4-20 x 5/8” Hex Whiz Lock Flange
HEAT SHIELD, Muffler Top
HEAT SHIELD, Throttle
NUT, Speed, 1/4-20
HEAT SHIELD, Muffler Side
MUFFLER, 24 HP V-Twin ELS
SCREW, 5/16-18 x 3/4” Hex Head Cap, GR8
LOCKWASHER, Spring 5/16”, Black
GASKET, Exhaust B&S
CABLE, Choke, 20” Long
WASHER, 3/8” Internal Tooth Lock
NUT, 3/8-24 Hex
SCREW, 1/4-20 x 5/8” Pan Head Taptite Torx
SCREW, #10-16 x 3/4” Pan Head Taptite Combo
KNOB, Throttle, Red
** HOSE, Fuel, Low Perm, 1/4” I.D. x 19-1/2” Long
CLAMP, Fuel Hose
SCREW, 5/16-18 x 3/4” Hex Flange Lock
CLIP, Harness, 5/8”
Footnotes:
Note: * Purchase engine components directly from engine manufacturer dealer.
Note: ** See Frame, Body & Seat Group for fuel tank assy.
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
21
Engine Group (24 H.P.)
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
22
Engine Group (24 H.P.)
Item Part No
Qty Description
NUT, 5/16-18 Hex Whiz Lock Flange
Note
39 1932377
1
Footnotes:
Note: * Purchase engine components directly from engine manufacturer dealer.
Note: ** See Frame, Body & Seat Group for fuel tank assy.
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
23
Wheel & Tire Group
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
24
Wheel & Tire Group
Item Part No
Qty Description
Note
1
2
3
4
5
6
7
8
9
1726383
1734878SM
1734877SM
7091772
1734841
7090839
7012234
5020601
1734013
2
1
1
2
2
2
4
8
2
ASSY, Wheel & Tire, 18 x 8.50-8 “Superturf” (incl. 2 & 3)
RIM, 18 x 8.50-8, 4 Hole
TIRE, 18 x 8.50 4 Ply “Superturf”
SCREW, 7/16-14 x 6” Hex Head Cap, GR5
TUBE, Caster
NUT, 7/16-14 Hex Center Lock
VALVE STEM & CAP, Air
or 2172353
NUT, 1/2-20 for Wheel Bolt - Silver
ASSY, Wheel & Tire 11 x 4-5 (Caster)
(also includes Air Valve, Grease
Fitting & 2 Bushings)
10 1734876
11 17234875
12 2812808
1
2
1
RIM w/Bushings
TIRE, 11 x 4-5
LUBE FITTING, 1/4-28 Taper
Footnotes:
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
25
Decal Group
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
26
Decal Group
Item Part No
Qty Description
DECAL, SNAPPER Logo
Note
1
2
3
4
5
6
7
8
9
1731955
1734672
1734532
7102575
7102574
1726638
7102576
1734270
7102578
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
DECAL, Caution Cut Hazard
DECAL, Transmission Release ZTS Export
DECAL, Handles Operation
DECAL, Operator Instructions
DECAL, Tracking Adjustment ZT 7000
DECAL, RH Handle
DECAL- LH Handle Control ZTS 7500
DECAL, Parking Brake, ZT
10 1734184
11 1734273
12 7102865
13 7102864
14 1733458
15 7102577
15 1734347
16 1726631
17 1734272
18 1734276
19 1704277
20 1731924
21 1704276
22 1722790
DECAL, Belt/Blade ZT
DECAL, Hot Surfaces
DECAL, New Snapper Stripe, RH
DECAL, New Snapper Stripe, LH
DECAL, Height-Of-Cut
DECAL, 150Z 21HP SNAPPER ZT
DECAL, 150Z 24HP SNAPPER ZT
DECAL, Do Not Remove Foam Around Engine
DECAL, Instrument Panel, ZTS 7500
DECAL, Mower Cutting Height ZTS 7500
DECAL, Danger Do Not Operate w/o Deflector
DECAL, 42” 2006 Silver/Black
DECAL, Danger Do Not Put Hands/Feet in Mower
DECAL, 50” Silver on Black w/Stripe
Footnotes:
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
27
Mower Lift Group (42" Deck)
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
28
Mower Lift Group (42" Deck)
Item Part No
Qty Description
NUT, 7/16-14 Hex Jam
Note
1
2
3
4
5
6
7
8
9
1922007
1734042
1733381
1733535A
720107
6
2
1
1
2
3
2
2
2
4
2
2
2
2
2
1
1
1
1
1
1
1
1
3
1
1
2
1
1
1
2
2
2
TRUNNION, 1/2-13 Thread
ROD, Bail (7/16-14 Thread, 2 Places)
ARM, Mower Lift L.H.
SHOULDER BOLT, 5/16-18
1931277
1960251
721221
NUT, 5/16-18 Hex Flange Lock, Small - Black
NUT, 3/8-16 Hex Center Lock Jam
PIN, 3/8-16 Threaded Shoulder
WASHER, 1/2” Flat (0.51 I.D. x 1.00 O.D. x .10 Thick)
CLIP, Hair Pin .093 Dia.
1960170
10 1960074
11 1704420
12 1960687
13 1666294
14 1731894
15 1734217
16 1733356A
17 1673796
18 1734336A
19 1931337
20 1733536A
21 1960757
22 1921319
23 1733513
24 1722460
25 1733572
26 1733454
27 1930644
28 1931335
29 1668344
30 1733533A
31 1918213
33 1916950
36 1924940
RING, External (Klipring) for .625 Dia. Shaft
NUT, 3/8-16 Hex Flange Nyloc
SPACER, .385 I.D. x .6697 O.D. x .455 Long, Powdered Metal
TRUNNION, Powdered Metal
ROD, Mower Lift, 3/8-16 Thread
WELDMENT, Lift Shaft
SPACER, .328 I.D. x .625 O.D. x .781 Long (Powdered metal)
ARM, Lift Trunnion
BOLT, 5/16-18 x 1-1/2” Round Head Short Square Neck, GR5
ARM, Mower Lift R.H.
NUT, 1/4-20 Hex, L.H. Thread
WASHER, 1/4” Flat (.27 I.D. x .62 O.D.)
MOTOR, Mini-Actuator (Electric)
HAIR PIN
ROD, Height-of-Cut Indicator
INDICATOR, Height-of-Cut
NUT, HEX FLANGE 1/2-13 Hex Flange Two Way Lock
BOLT, 5/16-18 x 1” Round Head Short Square Neck, GR5
PIN, Shear
BRACKET, Electric Motor Mount
NUT, 7/16-14 Hex
NUT, HEX 3/8-16 Hex
WASHER, .375 Flat (.41 I.D. x .87 O.D.)
Footnotes:
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
29
Mower Lift Group (50" Deck)
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
30
Mower Lift Group (50" Deck)
Item Part No
Qty Description
NUT, 7/16-14 Hex Jam
Note
1
2
3
4
5
6
7
8
9
1922007
1734042
1733381
1733535A
720107
6
2
1
1
2
3
2
2
2
4
2
2
2
2
2
1
1
1
1
1
1
1
1
3
1
1
2
1
1
1
2
2
2
2
2
2
2
TRUNNION, 1/2-13 Thread
ROD, Bail (7/16-14 Thread, 2 Places)
ARM, Mower Lift L.H.
SHOULDER BOLT, 5/16-18
1931277
1960251
721221
NUT, 5/16-18 Hex Flange Lock, Small - Black
NUT, 3/8-16 Hex Center Lock Jam
PIN, 3/8-16 Threaded Shoulder
1960170
WASHER, 1/2” Flat (0.51 I.D. x 1.00 O.D. x .10 Thick)
CLIP, Hair Pin .093 Dia.
10 1960074
11 1704420
12 1960687
13 1666294
14 1731894
15 1734217
16 1733356A
17 1673796
18 1734336A
19 1931337
20 1733536A
21 1960757
22 1921319
23 1733513
24 1722460
25 1733572
26 1733454
27 1930644
28 1931335
29 1668344
30 1733533A
31 1960711
32 1734379A
33 1916950
34 1931317
35 1960294
36 1924940
37 1918213
RING, External (Klipring) for .625 Dia. Shaft
NUT, 3/8-16 Hex Flange Nyloc
SPACER, .385 I.D. x .6697 O.D. x .455 Long, Powdered Metal
TRUNNION, Powdered Metal
ROD, Mower Lift, 3/8-16 Thread
WELDMENT, Lift Shaft
SPACER, .328 I.D. x .625 O.D. x .781 Long (Powdered metal)
ARM, Lift Trunnion
BOLT, 5/16-18 x 1-1/2” Round Head Short Square Neck, GR5
ARM, Mower Lift R.H.
NUT, 1/4-20 Hex, L.H. Thread
WASHER, 1/4” Flat (.27 I.D. x .62 O.D.)
MOTOR, Mini-Actuator (Electric)
HAIR PIN
ROD, Height-of-Cut Indicator
INDICATOR, Height-of-Cut
NUT, HEX FLANGE 1/2-13 Hex Flange Two Way Lock
BOLT, 5/16-18 x 1” Round Head Short Square Neck, GR5
PIN, Shear
BRACKET, Electric Motor Mount
BOLT, Carriage, Short Square Neck, 3/8-16X0.750 GR5, Black
PLATE, Pivot Lock
NUT, HEX 3/8-16 Hex
BOLT, 1/4-20 x 2” Round Head Short Square Neck, GR5, Black
NUT, 1/4-20 Hex Flange Lock
WASHER, .375 Flat (.41 I.D. x .87 O.D.)
NUT, 7/16-14 Hex
Footnotes:
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
31
42" Mower Deck - Clutch & Support Group
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
32
42" Mower Deck - Clutch & Support Group
Item Part No
Qty Description
Note
1
2
3
4
5
6
7
8
9
2108765
1960170
1714760
1732258A
1960687
1734344A
1733578A
1734185A
1733576A
4
4
BOLT, Shoulder (Gage Wheel) 3/8-16 x 2.781 x 3/4”
WASHER, .51 I.D. x 1.0 O.D. x .10 Thick
WHEEL, Gage (2” Wide, 3.92 Dia.)
BRACKET, Gage Wheel L.H. Front
NUT, 3/8-16 Hex Flange Nyloc
4
1
4
1
BRACKET, Gage Wheel R.H. Front
HITCH, Mower Front
1
1
BRACKET, Gage Wheel R.H. Rear
SUPPORT, Mower Rear R.H.
1
10 1734242A
11 1931277
12 1935048
13 7091612
1
BRACKET, Fixed Idler
17
1
NUT, 5/16-18 Hex Flange Lock, Small - Black
NUT, 5/16-18 Hex Two-Way Lock
BOLT, 5/16-18 x 1-1/2” Round Head Square Neck, GR5
1
or 1931338 (Round Head
Square Neck Bolt, 5/16-18 x 1-
3/4”)
14 1931333
15 1931211
16 1733844
17 1734243A
18 1714255
19 1960534
20 1732360
21 1924940
22 1922130
23 1667812
24 1733577A
25 1733575A
26 1731403
27 1732966
16
2
1
1
1
1
2
2
2
1
1
1
1
1
BOLT, 5/16-18 x 3/4” Round Head Short Square Neck, GR5
NUT, 3/8-16 Hex Flange Whizlock, GR F
SPRING, Extension
ARM, Idler
SPACER, .406 I.D. x 1.50 O.D. x .350 Thick, Powdered Metal
WASHER, 3/8 (.41 I.D. x 1.50 O.D. x .25 Thick)
PULLEY, Idler, 4” O.D. x .378 I.D. x 1”
WASHER, .3/8 (.41 I.D. x .87 O.D. x .08 Thick)
SCREW, 3/8-16 x 2-1/4” Hex Head Cap, GR5
SPACER (.390 x .900 x .70 Thick)
BRACE, Mower Support
SUPPORT, Mower Rear L.H.
BRACKET, Gage Wheel L.H. Rear
V-BELT, A Wedge 98.00 Effective Length, Belt Sect. HA
Footnotes:
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
33
42" Mower Deck - Housing & Arbor Group
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
34
42" Mower Deck - Housing & Arbor Group
Item Part No
Qty Description
HOUSING, 42” Deck (Red)
Note
1
2
3
4
5
6
7
8
9
1730100D
721339
1
1
2
1
1
1
5
6
2
6
2
2
2
2
4
4
10
2
1
1
2
2
2
2
2
4
2
ASSEMBLY, Deflector Chute
PUSH NUT, 3/8” Pal Cap
1960093
721371
ROD, Deflector
720154
SPRING, Torsion
721369
BRACKET, Hinge
1931333
1960686
1732354
BOLT, 5/16-18 x 3/4” Round Head Short Square Neck, GR5
NUT, 5/16-18 Hex Flange Nyloc
PULLEY, Drive, 5-1/2”
10 1931335
11 721083A
12 1922014
13 7016440
14 7072440
15 7012491
16 7013313
17 1923683
18 1925003
19 1732832A
20 1732282A
21 1731372A
22 1704314
23 7072537
24 1731917
25 1731898
26 7024467
27 7091633
BOLT, 5/16-18 x 1” Round Head Short Square Neck, GR5
PLATE, Rear
NUT, 5/8-18 Hex Jam
WASHER, 5/8” Bellville
SPACER, Pulley
RING, 1.85” Internal Retaining
BEARING, Spindle
SCREW, 3/8-16 x 3/4” Hex Taptite
SCREW, 1/4-20 x 1/2” Hex Washer Head Screw - Black (Taptite)
COVER, Pulley
BRACKET, Arbor Guard
WELDMENT, Spindle Housing
LUBE FITTING, .250 Drive Type
SHAFT, Spindle
WASHER, Spindle Blade, Powdered Metal
BLADE, 19.64
WASHER, 9/16” Bellville
NUT, 9/16-18 Hex, GR B
Footnotes:
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
35
50" Mower Deck - Clutch & Support Group
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
36
50" Mower Deck - Clutch & Support Group
Item Part No
Qty Description
* V-BELT (HA Sect., 91.10 Effective Length) Kevlar
Note
1
2
3
4
5
6
7
7
8
9
1732204
1734131
1922918
1924940
2101096
1657242
1726814SM
1726815A
1676148
2812808
1
1
1
6
1
1
1
1
2
1
1
1
4
1
1
1
2
1
1
1
4
4
4
4
1
1
* V-BELT (HA sect., 73.12 Effective Length)
SCREW, 3/8-16 x 3-1/4” Hex Head Cap, GR5
WASHER, .375 Flat (.41 I.D. x .87 O.D.)
PULLEY, 4-1/2” O.D. .375 I.D. .63 Groove
SPACER
ASSEMBLY, Idler Arm (includes next 3 items)
WELDMENT, Idler Arm
BUSHING, .628 I.D. x .751 O.D. x .40 Long Powdered Metal
LUBE FITTING, 1/4-28 Taper
10 1667811
11 2171247
12 1960339
13 1714255
14 1656936
15 1733465A
16 1924356
17 1920415
18 1724387
19 1931337
20 1714760
21 2108765
22 1960170
23 1960687
24 1931353
25 1714062
SPACER, .390 I.D. x .90 O.D. x .34 Long, Powdered Metal
PULLEY, Idler 5.000 O.D. x .375 I.D.
NUT, 3/8-16 Hex Large Flange
SPACER, .406 I.D. x 1.50 O.D. x .350 Thick Powdered Metal
SPRING, Extension
ARM, Idler
WASHER, 3/8” Flat
SCREW, 3/8-16 x 1-1/4” Hex Head Cap, GR5, Black
PULLEY, Idler
BOLT, 5/16-18 x 1-1/2” Round Head Short Square Neck, GR5
WHEEL, Gage (2” Wide, 3.92 Dia.)
BOLT, Shoulder (Gage Wheel) 3/8-16 x 2.781 x 3/4”
WASHER, 1/2” Flat (0.51 I.D. x 1.00 O.D. x .10 Thick)
NUT, 3/8-16 Hex Flange Nyloc
BOLT, 3/8-16 x 1-3/4” Round Head Short Square Neck
SPRING, Extension .720 O.D. x 8.05 Long .102 wire
Footnotes:
Note: * Part number printed on belt.
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
37
50" Mower Deck - Housing & Arbor Group
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
38
50" Mower Deck - Housing & Arbor Group
Item Part No
Qty Description
NUT, 9/16-18 Hex Flange (non-locking)
Note
1
2
3
4
5
6
7
8
9
1714419
1713675
1732951
1713158
1713098
1713533
1713197
1655729
7013313
3
6
1
1
3
1
2
3
3
3
3
3
3
3
31
1
2
1
3
3
1
3
3
3
6
6
1
3
1
1
1
3
2
4
1
1
1
WASHER, Belleville
PULLEY, Deep Groove, 4.6
HUB, Double Pulley
PULLEY
HUB, Double Pulley
HUB, Pulley, Center & R.H.
HOUSING, Arbor Top
BEARING, Spindle
10 1715724
11 1732544
12 1707335
13 1705897
14 1713338
15 7090361
16 1733347D
17 1713195
18 1713612
19 1713196
20 1726453
21 1733308A
22 1713089
23 1656916
24 2823471
25 1927557
26 1931333
27 1724538
28 1713619
29 1729666
30 1715673
31 1705115
32 1931318
33 1960518
34 1960353
35 1704873
36 1734181A
38 1919326
SPACER, Bearing Sleeve
SPACER, Powdered Metal
GASKET, Foam Poly
BALL BEARING, 11/16 x 1-9/16 x 15/32 Long
HOUSING, Arbor Bottom w/Lube Fitting
SCREW, 5/16-18 x 5/8” Hex Washer Self-Tap
WELDMENT, 50” Mower Housing (Red)
SHAFT, Arbor Short
includes 1704314 Lube Fitting
SHAFT, Arbor Long
SHIELD, Grass Lower Arbor Heat Treated
BLADE, Mower, 50” Deck
UPSTOP
WASHER, 11/16 x 2” Hex
WASHER, Spring
SCREW, 7/16-14 x 1-1/4” Hex Head Cap, GR8
NUT, 5/16-18 Hex Flange Lock Large Black
BOLT, 5/16-18 x 3/4” Round Head Short Square Neck, GR5
BAFFLE, Anti-Blowout
WASHER, Cup
COVER, Arbor
COVER, Arbor
PLUG, Hole (for .344 Square Hole)
BOLT, 1/4-20 x 7/8” Round Head Square Neck, GR5
RETAINER, 1/4” Bolt
WASHER, Large (1/4 I.D. x 5/8 O.D. x .134/.109 Thick)
CLAMP
BAFFLE, Front 44 & 50” Decks
WASHER, 5/16”
Footnotes:
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
39
50" Mower Deck - Housing & Arbor Group
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
40
50" Mower Deck - Housing & Arbor Group
Item Part No
Qty Description
Note
39 1705449
40 7101082
41 1706709
42 1920397
43 1960633
1
1
1
3
2
DEFLECTOR, Discharge
SPRING, Torsion Chute 44” & 50” Decks
ROD, Deflector, Front
NUT, 1/4” Hex Lock Esna Light
BOLT, 1/4-20 x 1-1/2” Round Head Square Neck, GR5
Footnotes:
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
41
Electrical Group
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
42
Electrical Group
Item Part No
Qty Description
SWITCH, Push Button (NO/NC) Snap-In
Note
1
2
3
4
5
6
7
8
9
7022886
1716061
1960547
1717549
1717550
1717163
1731185
1722611
1722887
3
1
1
1
1
1
1
1
1
4
1
1
1
1
2
2
2
2
1
1
1
1
3
1
1
1
2
1
1
1
2
1
2
1
1
1
or 1732006
SWITCH ASSEMBLY, Ignition
LOCKWASHER, Internal Tooth 5/8” Thin
NUT, 5/8-32 Hex Flange (Ignition Switch Die Cast)
COVER, Ignition Switch
KEYS (set of two)
HOUR METER, No Alarms
PLUG, Hole (Black Plastic)
SWITCH, PTO, Push/Pull Symbols
TIE, Self Locking, .184 Wide 7.31 Long
SWITCH, Push Button (NC)
10 2825094
11 7023354
12 1667805
13 1665872
14 7060618
15 2823341
16 2821319
17 2816964
18 2816622
19 1677296
20 1716549
21 1713163
22 1727668
23 1724588
24 1665238
25 1665237
26 7075622
27 1925003
28 1734141
29 2860750
30 7102581
31 2172434
32 1730185
33 1931277
34 2820427
35 1919326
36 1921978
or 1732005
BRACE, Battery, .19 Dia. Wire
STRAP, Black Rubber, .19 Square 7.88 O.D. Battery
BATTERY, 12 Volt, 230 CCA
SCREW, 1/4-20 x 3/4” Hex Head Cap, GR5
WASHER, 1/4, .27 I.D. x .62 O.D. x .05 Thick
WASHER, 1/4” Spring Lock
NUT, 1/4-20 Hex
BOOT, Insulator, Red PVC Warning
CABLE, #6 x 10 Long, Red Two-Ring Terminals
CABLE, # 6 x 26 Long, Two-Ring Terminals
CABLE, #6 x 15 Long, Two-Ring Terminals
COVER, Terminal - Red PVC
BREAKER, Circuit 12 Volt 20 AMP
WIRE, 12 Gage
SOLENOID, Super Trombetta - 2 Terminal
SCREW, 1/4-20 x 1/2” Hex Washer Head Screw - Black (Taptite)
SWITCH, Electric Height-of-Cut
NUT, 5/16-24 Hex Keps
HARNESS, Wiring
CLIP, Cable, .390 Wire Dia.
DECAL, Danger Poison
NUT, 5/16-18 Hex Flange Lock, Small - Black
WASHER, 3/8” External Tooth Lock
WASHER, .312 (.34 I.D. x.75 O.D.)
SCREW, 5/16-18 x 2” Hex Head Cap
Footnotes:
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
43
Wiring Schematic
Manual No.
7006272
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
TP 400-5418-IR-HZ-N
44
Wiring Schematic
Item Part No
7102581
Qty Description
HARNESS, Wiring
Note
1
1
Footnotes:
HYDRO DRIVE ZTR 42" & 50"
150Z SERIES
Manual No.
7006272
TP 400-5418-IR-HZ-N
45
Parts Manual for
HYDRO DRIVE ZTR 42" & 50"
AUSTRALIAN
150Z SERIES
IT IS THE POLICY OF BRIGGS & STRATTON CORP TO IMPROVE ITS
PRODUCTS WHENEVER IT IS POSSIBLE AND PRACTICAL TO DO SO.
WE RESERVE THE RIGHT TO MAKE CHANGES OR ADD
IMPROVEMENTS AT ANY TIME WITHOUT INCURRING ANY
OBLIGATION TO MAKE SUCH CHANGES ON PRODUCTS
Briggs & Stratton Yard Power Products Group
535 Macon Road
McDonough, GA, 30253 U.S.A.
800-935-2967
Manual No. 7006272
Revision IR, 10/6/2008
TP 400-5418-IR-HZ-N
Copyright © 2008 Briggs & Stratton Corporation
Milwaukee, WI USA. All Rights Reserved
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