Y2050A (1992) Page 1 of 24
20HP 50" TRACTOR-50" MOWER
Y2050A (1992) Page 2 of 24
20HP 50" TRACTOR-50" MOWER
Ref # Part Number Qty Description
1 121664X SUB= 123760X
2 121811X CVR DRIVE DECK
3 17490508 SCREW LT
4 7631J RUNNER-LH M
5 72110505 BOLT
6 10040500 LOCKWASHER
7 73220500 NUT.HEX.5/16-18
8 120449X SUB= 136320
9 72140506 BOLT
10 1685H SUB= 68478
12 121658X SUB= 136819
13 121657X JACKSHAFT
14 17490612 SCREW
15 121798X "BLADE.50""STD.LIFT"
16 74610624 BOLT.3/8-24X1-1/2
17 10040600 LOCKWASHER
18 19132012 WASHER
19 674A213 ARM ASSY GT
20 7834J SUB= 674A308
21 7835J SUB= 674A308
22 72110522 BOLT
23 19111816 SUB= 52915
24 102403X IDLER-FLAT T
25 74760624 SUB= 74930624
26 73220600 NUT.HEX.3/8-16UNC
27 104361X SPRING T
28 74780520 BOLT
29 19111216 WASHER M
30 8438J SPACER SPLIT LT
31 19111116 WASHER
32 105448X GUAGE WHL BRKT GT
33 105449X GUAGE WHL BRKT GT
34 72240606 BOLT
35 73680600 SUB= 73690600
36 105453X GUAGE WHL BAR GT
37 5565J SUB= 139031
38 4939M SUB= 85902
39 4898H BOLT M
40 105455X WHEEL.GAGE.BLK.PL
41 105433X SUSP BRKT GT
42 110237X SPACER GT
43 105434X SUSP BRACE GT
44 109778X SUB= 140741X431
45 109771X BRACKET.SUSPEN.AS
46 73350500 JAM NUT TI
47 3146R RETAINER.SPRING
48 3703J V-BELT M
49 73680800 NUT LTV
50 74760622 BOLT
51 105435X RELEASE PIN GT
52 3720R SPRING M
53 12000039 KLIP RING
54 19171612 WASHER GT
55 105440X CLEVIS PIN GT
56 105458X BRACKET T
57 109773X BRACKET T
58 110997X BRACKET T
59 120000X BRACKET T
Y2050A (1992) Page 3 of 24
20HP 50" TRACTOR-50" MOWER
Ref # Part Number Qty Description
60 73680500 SUB= 73690500
61 109776X PIVOT PIN T
62 19111016 WASHER
63 110509X DEFLECTOR
64 106734X SUB= 123713X
65 109743X SUB= 137607
66 106735X ROD-HINGE T
68 110452X NUT PUSH M
71 73220800 NUT
73 19171512 WASHER
74 72240608 BOLT
76 110884X BELT-V.93.5.MWR
77 19151610 WASHER T
79 10030600 SUB= 10040600
80 109729X ROLLER T
83 76020412 COTTER PIN
84 19151616 SUB= 19171616
85 120135X SPACER T
93 121352X BELT RETIANER
127594X SUB= 138513
Y2050A (1992) Page 4 of 24
20HP 50" TRACTOR-DECALS
Y2050A (1992) Page 5 of 24
20HP 50" TRACTOR-DECALS
Ref # Part Number Qty Description
REFER TO IMAGE
1 123965X DECAL HOOD LH
2 123966X NLA
3 135820 NLA
4 123694X SUB= 123964X
5 133795 DECAL CAUTION
6 101892X DECAL T
7 121349X DECAL WARNING
8 109820X DECAL YT
9 108813X SUB= 138956
10 123246X DECAL ADJ
134060 "MANUAL,ENG"
134504 "MANUAL,FRE"
Y2050A (1992) Page 6 of 24
20HP 50" TRACTOR-ELECTRICAL
Y2050A (1992) Page 7 of 24
20HP 50" TRACTOR-ELECTRICAL
Ref # Part Number Qty Description
REFER TO IMAGE
1 110882X STOP T
2 10040600 LOCKWASHER
3 74780612 BOLT
4 71130724 SUB= 871130724
5 126197X WASHER
6 127170X SUB= 133501
7 10040700 LOCKWASHER
8 128224 SPACER-CLUTCH
9 4206J CABLE-BATTERY T
10 109081X SUB= 146154
11 4171R CLIP T
12 121264X "CAP,BATTERY "
13 129458 "CABLE,STARTER T"
14 127385X SENSOR LOW VOLT T
15 110712X SWITCH LT
16 131563 SUB= 154336
17 7662J SUB= 4152J
18 127441X SUB= 136850
20 123198X SUB= 146525
22 102476X SUB= 150109
23 121537X SUB= 123899X
24 4207J CABLE T
26 7603J "TRAY T, BATTERY"
27 72240460 BOLT
28 100541K SUB= 7697J
29 109596X HOSE CLAMP T
30 100207K CLIP GTV
31 109553X SWITCH INTERLOCKT
32 126018X SUB= 532126018
33 4022J HEX NUT T
34 108824X FUSE HYT
35 73951000 "NUT,KEPS"
38 121305X SWITCH SEAT
39 122147X KEY
40 124211X NUT IGNITION
41 123620X SUB= 141226
42 4406R SUB= STD365402
43 74641008 SUB= 71031008
44 132643 HARNESS
45 7192J WIRE TIE
46 109555X INDICATORLIGHTT
47 10090400 SUB= 10040400
48 73350400 NUT
49 17190408 SCREW ST
50 74760412 BOLT LT
51 19091016 WASHER
52 10040400 LOCKWASHER
53 73220400 SUB= 50675
54 71031008 SCREW
55 110940X HOUR METER T
56 17011008 SCREW
57 109748X RELAY ASSY T
59 11050600 LOCKWASHER
Y2050A (1992) Page 8 of 24
20HP 50" TRACTOR-FRAME/FENDER/DRAWBAR
Y2050A (1992) Page 9 of 24
20HP 50" TRACTOR-FRAME/FENDER/DRAWBAR
Ref # Part Number Qty Description
1 109458X FOAM STRIP T
2 128146 SUB= 532128146
3 132638X505 SUB= 150302X505
4 106088X FOAM STRIP T
5 124238X CAP SPRING
6 106784X SUB= 155013
7 104618X SUB= 155013
8 124392X417 SUB= 147717
9 106395X LENS LT
10 122100X GRILL ASSY
11 105419X505 GRILL STRAP
12 110854X SUPPORT RH YTH
13 110855X SUPPORT LH YTH
15 109808X HOOD LATCH T
16 132639X505 "PANEL,SIDE RH "
17 7985J SUB= 140229
18 132635X505 SUB= 150301X505
19 124252X SUB= 140398
20 8022J PLUG-DASH T
21 123952X010 DASHPLATE
22 131451 SUB= 155925
23 127429X SUB= 140121
26 133671 FOOTREST PAD
27 105465X505 SUB= 145244X505
29 110893X SUB= 151630
33 2751R CLIP T
35 124181X SPRING COMPRESSIO
36 19111116 WASHER
37 105531X NUT-PUSH YT
38 105509X SUB= 137113
39 123549X SUB= 158990
40 106020X SUB= 151346
41 106082X PAD-SPACER LT
42 105511X SUB= 140675
43 121642X505 FENDER
45 126656X SUB= 140551
46 106042X016 CVR GATE SHIFT
47 73510500 NUT
48 104608X DASH ASSEMBLY
49 3645J BUSHING OUTLET T
50 8710J FUEL TANK STEM GT
51 123487X HOSE CLAMP
52 7834R SUB= 8542R
53 7982J SUB= 140506
54 110892X SUB= 150383
55 105464X505 SUB= 145243X505
57 17490612 SCREW
58 74760612 SUB= 74780612
59 73680600 SUB= 73690600
60 19091216 WASHER PM
61 73220400 SUB= 50675
63 74760616 BOLT
64 19131316 WASHER
65 74180512 SCREW
66 73680500 SUB= 73690500
67 17720408 SCREW
68 72140506 BOLT
69 74191008 SCREW
Y2050A (1992) Page 10 of 24
20HP 50" TRACTOR-FRAME/FENDER/DRAWBAR
Ref # Part Number Qty Description
70 10071000 LOCKWASHER
71 2029J WELDNUT
72 17211010 SCREW LT
73 104755X """J"" FASTENER LT"
74 123481X SUB= 7605J
75 73680400 SUB= 73690400
76 17190412 SCREW
77 17490512 SCREW
78 19111212 WASHER
79 74981020 SCREW
80 7206J SPACER LT
81 19070818 WASHER
82 73731000 NUT
83 74760716 BOLT
84 73680700 NUT GTV
85 17490608 SCREW LT
88 105529X SUB= 139888
91 105500X BELT RETAINER GT
92 19131312 WASHER
95 4171R CLIP T
97 120068X "KNOB 1/2"" YT"
99 127018X "BOLT,SHOULDER"
101 110853X SUPPORT RH YTH
102 110852X SUPPORT LH YTH
104 123198X SUB= 146525
105 74760620 SUB= 74780620
106 19131614 WASHER
107 72050411 SUB= 872050411
108 121251X STRIP FORM
109 123740X SPRING COMPRESSED
110 121249X SPACER SPLIT
111 121246X BRKT SWITCH
112 121248X BUSHING
113 123976X SUB= 73900400
114 73510400 NUT
115 19171912 WASHER
116 17490616 SCREW GTV
118 127637 "SHIELD,HEAT"
119 19091015 SUB= 19091016
Y2050A (1992) Page 11 of 24
20HP 50" TRACTOR-GROUND DRIVE
Y2050A (1992) Page 12 of 24
20HP 50" TRACTOR-GROUND DRIVE
Ref # Part Number Qty Description
2 CHECK WITH SUPPLIER
2 127651 ENGINE, MODEL KOHLER
3 110891X EXHAUST TUBE T
4 74780624 "BOLT,HEX"
6 127881 MUFFLER EXHAUST
8 110947X CHAFF GUARD T
9 110869X SUB= 133692
10 19091212 WASHER
11 110867X "ENG. T, BASE"
12 104577X ADAPTER T
13 121355X SUB= 101343L
14 5304J ACT-SWITCH T
15 73610600 SUB= 7810H
16 11050600 LOCKWASHER
17 19131316 WASHER
18 132746 SUB= 532132746
20 132780 SUB= 532132780
21 8883R PEDAL COVER T
22 121749X WASHER
23 76020312 SUB= 3145
25 104375X SHAFT ASSY GT
26 104601X BRKT SWITCH GT
28 100604K YOKE GTV
29 5308J BRAKE ROD T
30 7241J SPRING T
31 19131614 WASHER
32 73530600 SUB= 7810H
33 677A637 BRAKE BRKT ASSY T
34 7229J GUIDE ROD T
35 101356L ROD CLUTCH GTV
36 5102J CLEVIS PIN T
37 71673 PLUNGER CAP T
39 109767X SUB= 136284
40 105598X ROD BRACKET GT
41 5142H ROLL PIN STD
42 121466X KNOB
43 108885X GUARD MUFFLER HYT
45 73680600 SUB= 73690600
46 121063X SUB= 139995
47 72110614 BOLT
48 122825X BRKT IDLER FLAT
49 72140606 BOLT
51 102403X IDLER-FLAT T
52 101344L PULLEY V IDLR GTV
53 122824X GUARD BELT
54 122253X ROD SHIFT HI LO
55 122268X CONNECTING LINK
57 19131413 WASHER
58 104360X SUB= 131494
59 121358X RETAINER SPRING
60 121360X RETAINER BELT
62 101358K BRACKET ASSY GTV
64 121361X SUB= 139123
65 207J WASHER T
66 121356X BRACKET CLUTCH
67 12000039 KLIP RING
68 105706X "LY, BEARING"
70 121357X SPRING EXT CLUTCH
Y2050A (1992) Page 13 of 24
20HP 50" TRACTOR-GROUND DRIVE
Ref # Part Number Qty Description
71 74760628 BOLT
72 120332X PULLEY GT
73 9204H NUT STD
74 9858M1 KEY
75 110883X BELT-V.98.5.GD.DV
76 7563R WASHER T
77 634A692 SUB= 149176X431
78 106277X361 SUB= 106277X417
79 12000034 KLIP RING
80 105588X SUB= 122077X
80A 7154J TUBE.23X8/10-12
81 59192 VALVE CAP
82 65139 VALVE STEM LT
83 2228M SUB= 2228M1
84 120404X SUB= 156404
85 101122M BRAKE BAND ASM
86 214J BRAKE DRUM T
89 73680400 SUB= 73690400
90 6856M ZERK FITTING M
94 10040600 LOCKWASHER
96 74570512 SCREW
97 10040400 LOCKWASHER
98 74760620 SUB= 74780620
100 74760612 SUB= 74780612
101 74780616 BOLT
102 17190516 SCREW
103 74321016 SCREW
104 73631000 SUB= 69180
105 74760412 BOLT LT
108 72140610 BOLT.3/8-14X1.25
109 72110506 SUB= 72270506
110 73680500 SUB= 73690500
111 19131612 WASHER GT
114 74760720 BOLT
115 10040700 LOCKWASHER
116 1304H SUB= 140080
117 72140405 BOLT T
118 73220400 SUB= 50675
119 74760716 BOLT
120 73680700 NUT GTV
121 74370612 SCREW
122 1685H SUB= 68478
123 17720410 SCREW LT
124 74760614 SUB= 74760616
125 104758X CAP-HUB GT
126 72140506 BOLT
128 110895X NYLINER T
129 76020816 COTTER PIN
131 10170500 LOCKWASHER
133 132922 SPARK ARREST KIT
134 74780412 SUB= 74780414
Y2050A (1992) Page 14 of 24
20HP 50" TRACTOR-LIFT
Y2050A (1992) Page 15 of 24
20HP 50" TRACTOR-LIFT
Ref # Part Number Qty Description
1 121044X SUB= 532121046
2 126651X "GUARD, BELT"
3 121794X COVER ACCESS
4 100734K SUB= 138057
5 110807X NUT T
6 110811X ROD ADJ. T
7 76020308 SUB= 3145
8 2876H SPRING T
9 19131016 WASHER
10 73680600 SUB= 73690600
11 73800600 NUT
12 7594J BRACKET T
13 73220600 NUT.HEX.3/8-16UNC
14 7596J LINK-LIFT MOW T
15 9135R SPRING H
16 19171616 WASHER
17 73220800 NUT
18 10040800 LOCKWASHER
19 105429X SUSPENSION ARM GT
20 5328J BOLT-ADJ SPRING T
21 19131316 WASHER
22 5329J SUB= 143363
23 674A247 SUB= 918674A247
24 105413X PIVOT STUD GT
25 105501X SUSP BRACKET T
26 12000037 KLIP RING
27 19151216 WASHER
28 110810X TRUNION LT
29 124217X SHAFT ASS'Y LIFT
30 110903X BRACKET T
31 128141 SUB= 532128141
32 73350600 NUT
33 110436X SUB= 9151R
35 122085X "SHIELD HEAT, BASE"
36 12000022 E-RING
37 19292016 WASHER
38 19112410 WASHER
39 123934X HEIGHT INDICATOR
40 10040500 LOCKWASHER
41 4939M SUB= 85902
42 105503X LIFT LINK RH T
43 124526X SUB= 125925X
44 121043X SUB= 532121045
45 109413X GRIP
46 122364X SUB= 125925X
47 121002X SUB= 123096X
48 121006X LEVER ROD LT
49 74780624 "BOLT,HEX"
50 73680400 SUB= 73690400
51 17490608 SCREW LT
52 72140508 BOLT
53 19111610 WASHER
54 73680500 SUB= 73690500
55 7901J SHOULDER BOLT T
56 73900400 NUT T
57 72140606 BOLT
58 73930600 LOCKNUT
59 74760616 BOLT
Y2050A (1992) Page 16 of 24
20HP 50" TRACTOR-LIFT
Ref # Part Number Qty Description
60 74780408 BOLT
61 109458X FOAM STRIP T
62 10090400 SUB= 10040400
63 73220400 SUB= 50675
68 74760512 BOLT
69 19111216 WASHER M
70 10040600 LOCKWASHER
71 19091216 WASHER PM
72 74780516 SUB= 77394
73 123935X "PLUG,HOLE"
74 123933X394 SUB= 123933X505
75 120529X WASHER T
Y2050A (1992) Page 17 of 24
20HP 50" TRACTOR-SCHEMATIC
Y2050A (1992) Page 18 of 24
20HP 50" TRACTOR-SCHEMATIC
Ref # Part Number Qty Description
REFER TO IMAGE
Y2050A (1992) Page 19 of 24
20HP 50" TRACTOR-STEERING
Y2050A (1992) Page 20 of 24
20HP 50" TRACTOR-STEERING
Ref # Part Number Qty Description
2 121584X INSERT STEERING
4 10040600 LOCKWASHER
5 19133808 WASHER T
6 121472X SUB= 150546
7 100711L ADAPTER LT
10 9038R "T, BEARING"
11 101274N SUPPORT ASSY T
12 73680800 NUT LTV
13 19172610 WASHER GT
14 104239X "FLANGE GT, BEAR."
15 12000034 KLIP RING
16 6266H WASHER .T
17 5213J FRAME BRACKET GT
18 102439X SUB= 144668
19 73610600 SUB= 7810H
20 120424X SECTOR T
21 74780880 BOLT T
22 104591X SHAFT STEERING GT
23 110497X LINK.DRAG.T
24 121168X SPINDLE LH
26 121159X TIE ROD
27 9040H "FLANGE, BEARING"
28 106228X361 SUB= 106228X417
29 106230X SUB= 122075X
29A 8134H TUBE.16X6.5/7.5-8
30 12000029 RING
31 104757X HUB CAP
32 121748X WASHER
33 59192 VALVE CAP
34 65139 VALVE STEM LT
35 278H FITTING LT
36 121167X SPINDLE RH
38 108137X "T, BELLCRANK"
39 74781044 BOLT
41 6855M ZERK M
42 73221000 NUT X
43 10041000 WASHER
44 5298J SUB= 136518
45 5297J SUB= 677H999
46 5292J SUB= 140342
48 5284J AXLE BRACKET T
49 19292016 WASHER
56 121161X SUB= 109851X
57 73700600 NUT
58 121162X ROD TIE
59 73360600 NUT
60 121160X SUB= 109850X
61 74760612 SUB= 74780612
62 73680600 SUB= 73690600
63 17490612 SCREW
64 74780616 BOLT
65 74760616 BOLT
67 73220600 NUT.HEX.3/8-16UNC
72 106615X SUB= 677A928
73 121749X WASHER
76 121177X COLLAR
79 120199X TUBE T
80 121232X CAP
Y2050A (1992) Page 21 of 24
20HP 50" TRACTOR-STEERING
Ref # Part Number Qty Description
81 74930516 BOLT GT
82 102933X SPLIT SPACER YTV
83 19111416 WASHER
84 73680500 SUB= 73690500
85 74760636 BOLT
86 100644K BUSHING LT
87 19131413 WASHER
88 677A451 IDLER-INSIDE T
89 19133808 WASHER T
90 120542X IDLER BRKT T
91 7190J SPRING
92 74760632 SUB= 74930632
Y2050A (1992) Page 22 of 24
20HP 50" TRACTOR-TRANSAXLE
Y2050A (1992) Page 23 of 24
20HP 50" TRACTOR-TRANSAXLE
Ref # Part Number Qty Description
1 4197R SHAFT.AXLE.T
2 12000034 KLIP RING
3 4199R FINAL GEAR T
4 4216R DIFF GEAR T
5 4215R DIFF PINION T
6 4217R DIFF CARRIER T
7 6256H WASHER T
8 74020652 BOLT
9 7392M SUB= 100482K
10 6272H SUB= 145359
11 4985R SHIFT FORK T
12 6266H WASHER .T
13 4212R RED PINION T
14 4196R GEAR SHAFT T
15 6276H SNAP RING T
16 633A63 GEAR T
17 8118M "T, BEARING"
18 8740H1 BEARING
19 122238X SHAFT
20 4218R SPACER T
21 6252H1 PINION RS
22 7810H GRIPCO NUT
23 4986R SHIFT FORK T
24 7393R OIL SEAL STD
25 992R1 BRNG. T
26 6216H SHAFT T
27 6262H FORK T
28 122254X SHIFT SHAFT
29 6269H SEAL T
30 5855H VALVE M
31 122162X GEARCASE RH
32 6277H PIN T
33 4225R NEEDLE BRNG T
34 7396H RACE T
35 4198R GEAR SHAFT T
36 4200R SUB= 532004200
37 7395H RACE T
38 121878X GASKET
39 122163X GEARCASE LH
40 13320400 PLUG PIPE
41 74780526 BOLT
42 13170100 ELBOW STREET 90
45 6271H SEAL T
46 13060200 SUB= 13020200
47 74780524 HEX BOLT
48 10140500 SUB= 10040500
49 4895H "TI, BEARING"
50 4222R NEEDLE BRNG T
51 1529R NEEDLE BRNG T
52 8119M "STD, BEARING"
53 4220R BRNG RACE
54 4209R RED PINION T
55 4213R RED GEAR T
56 4442R PINION SPACER T
57 4195R GEAR SHAFT T
58 4214R FINAL PINION T
59 4194R GEAR SHAFT T
60 7528R SPACER T
Y2050A (1992) Page 24 of 24
20HP 50" TRACTOR-TRANSAXLE
Ref # Part Number Qty Description
61 4208R RED PINION T
62 4207R RED GEAR T
63 7398H RACE T
64 4203R LOW SPEED GEA T
65 4204R REVERSE GEAR T
66 2898J KEY T
67 4926H RING STD
68 4205R INTERMED GEAR T
69 4206R SUB= 532004206
70 1370H "T, BEARING"
71 633A69 CLUSTER GEAR T
72 208J INPUT SHAFT T
73 4201R LO SPEED PINION T
74 12000002 SUB= 2225J
75 1153R IDLER GEAR T
76 7392H WASHER T
77 3990H BRNG T
78 73220500 NUT.HEX.5/16-18
79 1167R WASHER T
80 73360700 NUT
81 6270H SEAL STD
82 7384H SHAFT T
84 5384J GEAR SHIFT LVR T
85 2978J CAP T
86 633A85 COVER AND PIN T
87 8739H SUB= 8739H1
88 4924H SPRING TI
89 19151516 WASHER
90 110542X SEAL T
91 19181511 WASHER
92 75J GEAR SHIFT GA T
93 6274H GASKET T
94 76020412 COTTER PIN
95 10040500 LOCKWASHER
96 74760514 BOLT
97 633A109 GEAR SHFT LVR T
98 122420X SUB= 137982
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