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TRACTOR - MODEL NO. 917.279240 (YTH20F42T), PRODUCT NO. 960 43 00-05
HYDRO TRANSAXLE - - MODEL NUMBER 354-0510
KEY PART
NO. NO. DESCRIPTION
1 170351 Kit, main housing Main housing, machined
Bushing .865 X.985 X.790
2 170352 Kit, side housing
Side housing, machined
Bushing .865 X.985 X.790 Bushing .624 X.719
X.562
3 170353 Kit, center section Center section, machined
Bushing .707 X .788 X .591
4 170354 Swashplate, trunnion machined
5 169898 Kit, cylinder block (1000)
Block - cylinder Piston, Spring, compression
Washer thrust
6 178322 Sealant tube
7 170356 Hexfl ange screw 1/4-20 x 1.25
9 170358 Shaft, input
10 170359 Retaining ring
11 170360 Spacer
12 169870 Retaining ring
13 170361 Seal, lip .67 X 1.58 X .276
14 173158 Bearing, ball 6203 (BDR)
16 170362 Hex fl ange head screw 1/4-20 x 1.25
17 170363 Seal, lip 18 x 32 x 7
18 178781 Arm, control
19 173159 Bearing, thrust (10cc)
23 170420 Check plug assembly, .027 Washer
24 170366 Shaft motor
27 170367 Gear, pinion, 13T
28 170368 Gear 1 OT / 48T
29 170369 Gear, 1 OT jackshaft
30 170370 60T bullgear
31 170371 Sleeve bearing .75 X 1.75 X.625
32 170389 Sleeve bearing (outboard) .75 X 1.575 X.625
33 142991 Washer
34 170390 Lip seal, axle shaft
35 170391 Shaft, axle (keyed, R.H.)
36 170392 Shaft, axle (keyed, L.H. )
37 401260 Miter gear (splined)
38 401261 Miter gear
39 150809 Differential shaft (310-0750)
40 170393 Retaining ring
41 170394 Pin, jackshaft
42 170395 Magnet, ring
43 170396 Spring, bypass
44 150797 Bolt 3/8-24 x 2-1/2
45 170397 Filter
46 170398 Base, fi lter
47 170399 Actuator, bypass
48 170400 Rod, bypass actuator
49 196599 Arm, bypass
50 170402 Retaining ring.25 External
51 170403 Seal, lip .741 X .25 X .25
52 170404 Washer, fl at 0.050” (210-1000)
53 170405 Retaining ring
54 170406 Bearing, center block
55 142977 Spring, helical compression
56 142978 Washer, block thrust
57 20Vv-50 Oil
58 142929 Kit, brake yoke
59 170408 Rotor, brake
60 142883 Brake puck
61 142882 Brake puck plate
62 170409 Pin, brake actuating
63 170410 Hfhcs 1/4-20 x 2 w/patch, special fl ange
65 170411 Spacer, brake torsion spring
66 189386 Spring, brake arm bias
68 404026 Arm-brake, RH
69 170415 Nut, castle 5/16-24
70 170416 Pin, cotter 3/32x3/4
71 170417 Brake spring
KEY PART
NO. NO. DESCRIPTION
72 170418 Washer (310-0750)
73 142884 Washer, fl at
74 170419 Seal, oil
84 170425 Fitting, 5/16 x sae 5/32 tube
85 170426 Hose, expansion tank
87 401264 Cap, barbed vent
88 178334 Bolt, self tapping (BDR)
93 170431 Spring clip, housing
94 178783 Bearing, ball
95 178784 Screw, 5/16-24x 1 1/2 socket head cap (310-
3000)
96 178786 Spacer, locating
97 178787 Screw (310-3000)
98 404027 Arm, return
99 178792 Puck, adjusting
100 178793 Washer,.325 Odxl.6 Idx.15 TK
101 178794 Spring, extension
102 178795 Spacer, .56 Odx.26 ID x.87
103 404028 Bracket, torque
107 170432 Defl ector
108 170433 Washer, motor shaft.71 ID x 1.150D x.03 Thick
109 170434 Plug, straight thread 9/16-18
110 161159 Screw, torx head 5/16-18 (310-3000)
111 170435 O-ring .7 X .301 ID
113 170437 Bracket, support expansion tank
114 178797 Spring guide
117 178799 Pin, spring 5/16 x.75
119 191031 Kit, fan - washer - nut, Fan, 7 in
Hex lock nut 1/2-20 (nylon insert)
Washer, or slotted, .53 X 1.63 X.06
120 170440 Pulley
123 401265 Belt keeper
124 191033 Center section fi lter bypass assembly Center
section
Base fi lter w/ poppet check plug assembly,
.027 Washer Spring, bypass actuator, bypass
defl ector bottom, fi lter bushing, .707 X.788
X.591
125 170445 Kit, fi lter Bottom, fi lter spring, bypass actuator,
bypass defl ector
Base, fi lter w/ poppet
126 170446 Kit, fan/pulley, Hex jam 1/20-20 (nylon insert)
washer, OD slotted, .53 X 1.63 X.06 Fan, 7 in,
Pulley
127 170447 Kit, seal
Lip seal .67 X 1.58 X.276 Lip seal 18 x 32 x 7
Lip seal .706 X 1.584 X.25 Lip seal .741 X.250
X.250
TC oil seal .625 X1.0X .25 O-ring .07 X .301 ID
128 401266 Kit, expansion tank, Tank, expansion assembly
cap, barbed vent., Bolt, self tapping 10-32 x 1/2
bracket, support expansion tank hose, expan-
sion tank
130 178802 Stud, threaded ball
131 178803 Bracket, cruise/damper
132 178804 Nut 5/16-18
133 184227 Damper
134 178808 Washer, 5/16 lock
140 191030 Kit, damper, Stud, threaded ball bracket,
cruise/damper hex nut 5/16-18 NC damper,
Washer, helical spring lock 5/16, regular
141 404030 Kit, RCS, Arm, return spring guide switch,
RCS activator, RC Sswitch spring, RCS switch
retainer, RCS switch rivet 5/32
900 400505 Transaxle
Note: All Component Dimensions Given In U.S. Inches 1 Inch = 25.4 mm