Page 1

Y1642B (1993) Page 1 of 28
12HP 38" TRACTOR SCHEMATIC
Page 2

Y1642B (1993) Page 2 of 28
12HP 38" TRACTOR SCHEMATIC
Ref # Part Number Qty Description
REFER TO IMAGE
Page 3

Y1642B (1993) Page 3 of 28
16HP 42" CHASSIS AND ENCLOSURES
Page 4

Y1642B (1993) Page 4 of 28
16HP 42" CHASSIS AND ENCLOSURES
Ref # Part Number Qty Description
1 135034 SUB= 145501
2 137275 SUB= 145009
3 17490615 SCREW
6 127543X015 SADDLE.LT.GOOSE
7 17490608 SCREW LT
9 124252X SUB= 140398
11 136967 PANEL.DASH.LH
12 121794X COVER ACCESS
13 136970 PANEL.DASH.RH
14 17490612 SCREW
15 121444X019 PLATE.SLKSCR.
16 104783X DASH ASSY LT
17 132635X505 SUB= 150301X505
18 74180512 SCREW
19 19111116 WASHER
20 73510500 NUT
21 74760620 SUB= 74780620
22 19131312 WASHER
23 73680600 SUB= 73690600
24 124130X SUPPORT ASS'Y
25 10040400 LOCKWASHER
26 73220400 SUB= 50675
27 74180512 SCREW
28 131716 SUB= 532131716
30 126599X505 FENDER
31 136619 BRKT FENDER
32 17490612 SCREW
33 105465X505 SUB= 145244X505
34 105464X505 SUB= 145243X505
35 72110606 BOLT
36 73680600 SUB= 73690600
37 133671 FOOTREST PAD
38 105419X505 GRILL STRAP
39 73510500 NUT
41 106784X SUB= 155013
42 104618X SUB= 155013
43 73510400 NUT
44 109808X HOOD LATCH T
45 74191008 SCREW
46 10071000 LOCKWASHER
47 2029J WELDNUT
48 123481X SUB= 7605J
49 73680400 SUB= 73690400
50 19091216 WASHER PM
53 137655X505 PANEL.SIDE.RH
54 132637X505 "PANEL,SIDE LH"
55 19091216 WASHER PM
56 73220400 SUB= 50675
57 7206J SPACER LT
58 19070818 WASHER
59 73731000 NUT
60 74981020 SCREW
61 19112410 WASHER
62 123934X HEIGHT INDICATOR
63 10040500 LOCKWASHER
64 74780516 SUB= 77394
65 123935X "PLUG,HOLE"
66 123198X SUB= 146525
Page 5

Y1642B (1993) Page 5 of 28
16HP 42" CHASSIS AND ENCLOSURES
Ref # Part Number Qty Description
67 123933X505 POINTER HGT IND
68 120529X WASHER T
71 124392X417 SUB= 147717
72 106395X LENS LT
73 17211010 SCREW LT
74 137654 SUB= 140181
75 104755X """J"" FASTENER LT"
76 17490512 SCREW
77 19131210 WASHER
78 132644 SUB= 532132644
79 17490412 SCREW HEX CRT
80 19091016 WASHER
85 74760532 BOLT
87 73680500 SUB= 73690500
88 74760620 SUB= 74780620
89 73510600 NUT
91 74760612 SUB= 74780612
92 73680600 SUB= 73690600
93 11050600 LOCKWASHER
94 74760612 SUB= 74780612
95 19131312 WASHER
96 73680600 SUB= 73690600
97 17490608 SCREW LT
100 2751R CLIP T
101 126471X "CLIP,INSULATOR"
103 134774 PIVOT BRKT LH
104 134775 PIVOT BRKT RH
105 72140608 SUB= 72110608
106 73800600 NUT
108 121236X SPACER
110 110436X SUB= 9151R
Page 6

Y1642B (1993) Page 6 of 28
16HP 42" DECALS
Page 7

Y1642B (1993) Page 7 of 28
16HP 42" DECALS
Ref # Part Number Qty Description
REFER TO IMAGE
1 138956 DECAL.DASH.INSTR.
2 106202X REFLECTOR-TAIL YT
3 123965X DECAL HOOD LH
4 123966X NLA
5 138311 DECAL HANDLE LIFT
7 136832 DECAL
8 139587 DECAL.SIDE.PNL
9 123689 SUB= 123689X
10 133795 DECAL CAUTION
11 101892X DECAL T
12 135013 NLA
15 137259 "DECAL, WARNING"
16 132506 SUB= 532132506
137372 MANUAL
139739 NLA
SB20 40" SNOW THROWER
BD20 42" SNOW BLOWER
LC05 WHEEL WTS.
C42 GRASS CATCHER
TL21 TILLER
Page 8

Y1642B (1993) Page 8 of 28
16HP 42" STEERING AND FRONT AXLE
Page 9

Y1642B (1993) Page 9 of 28
16HP 42" STEERING AND FRONT AXLE
Ref # Part Number Qty Description
1 121472X SUB= 150546
2 133988 SUB= 142033
3 135227 SPINDLE LH
4 135228 SPINDLE RH
5 6266H WASHER .T
6 121748X WASHER
7 19272016 WASHER
8 12000029 RING
9 3366R COL. SRTG. BEAR.
10 130468 SUB= 532130468
11 10040600 LOCKWASHER
12 73610600 SUB= 7810H
13 110438X BEARING
14 74011056 BOLT HEX 5/8-11
15 73901000 "NUT-LOC,FLANGE LT"
16 132624 AXLE PIN
17 128758 STEERING SHAFT
18 57079 THRUST WASHER
19 124035X SUPPORT.SHAFT
20 126684X SUB= 532126684
21 10040400 LOCKWASHER
22 71070410 "SCREW,SPECIAL"
23 127501 SUB= 918127501
24 109816X NYLINER T
25 124036X "BRKT,STEERING"
26 12000029 RING
27 136874 GEAR SECTOR
28 6266H WASHER .T
29 17490612 SCREW
30 10040600 LOCKWASHER
31 73610600 SUB= 7810H
32 130467 TIE ROD
33 19111216 WASHER M
34 10040500 LOCKWASHER
35 73810500 NUT.LOCK.5/16-24
36 1554J SUB= 155108
37 17431008 SUB= 98000165
38 121584X INSERT STEERING
39 100712K WASHER
40 73940800 SUB= 73360800
41 100711L ADAPTER LT
43 121749X WASHER
44 121748X WASHER
45 12000029 RING
46 121232X CAP
47 6855M ZERK M
Page 10

Y1642B (1993) Page 10 of 28
16HP 42" TRACTOR DANA TRANSAXLE
Page 11

Y1642B (1993) Page 11 of 28
16HP 42" TRACTOR DANA TRANSAXLE
Ref # Part Number Qty Description
1 138248 SUB= 160951
2 2274J SUB= 74760412
3 134400 SUB= 68003
4 105904X "SPRING, DETENT LT"
5 105905X "SCREW, SET LT"
6 134788 SHIFTER.ASM.KIT.
7 7810500 LOCKNUT
8 120951X PUCK T
9 134399 SHIFTER BOOT
10 2267J RETAINING RING LT
11 134793 ASM KIT SHIM 4689
12 138240 "FLANGE, BEARING"
13 120415X WASHER T
14 2257J WOODRUFF KEY
15 138233 INPUT SHAFT ASSY
16 106095X SUB= 95-8060-6F
17 105909X "RING,RETAINING LT"
18 105910X "CHAIN,24 PTCH LT"
19 105911X BEARING.FLNG.5510
20 138242 GEAR SPUR 14T
21 138246 COLLAR CLUTCH
22 138238 KIT.ASM.CLTCH KEY
23 134791 SCREW TAP W/SEAL
24 138245 SUB= 143673
25 2244J WOODRUFF KEY
26 105916X "RING,RETAINING LT"
27 120470X SPROCKET 18T T
28 110070X SPACER YT
29 109253X GEAR SPUR 40T
30 109254X SUB= 144893
31 120405X SUB= 124644X
32 108980X GEAR 25T LT
33 120406X GEAR SPUR 22 TT
34 134796 SPUR GEAR 19T
35 105925X "WASHER, PLAIN LT"
36 2232J WASHER 025
37 108978X SPACER
38 108981X GEAR COMB LT
39 124639X SHAFT IDLER
40 3422J WASHER
41 105928X SPROCKET 9T LT
42 106605X SUB= 167148
43 134394 ASM KIT SHIM
44 124640X SHAFT DRIVE
45 106596X "SCREW, TAPPING LT"
46 106151X SUB= 144893
47 120407X SUB= 124641X
48 106589X "GEAR, SPUR 25T LT"
49 120408X GEAR 28T T
50 105937X "GEAR, SPUR 31T LT"
51 2226J WASHER 060
52 134401 NEOPRENE WASHER
53 2264J WASHER 031
54 120474X SUB= 154658
55 120409X GEAR LT
56 105941X "RING,RETAINING LT"
57 110071X SUB= 120478X
58 120952X SHAFT T
Page 12

Y1642B (1993) Page 12 of 28
16HP 42" TRACTOR DANA TRANSAXLE
Ref # Part Number Qty Description
59 106592X "GEAR,MITER 15T YT"
60 120475X SUB= 154659
61 138247 SUB= 160951
62 120961X PUCK T
63 7294J BRAKE DISC. T
64 108989X SPACER LT
65 120953X SUB= 918120953X
66 120954X PIN T
67 134799 TAP SCREW
68 138244 SUB= 108992X
69 108996X WASHER LT
70 120956X NLA
71 138241 SQUARE RING
72 120416X SUB= 126976X
Page 13

Y1642B (1993) Page 13 of 28
16HP 42" TRACTOR DRIVE
Page 14

Y1642B (1993) Page 14 of 28
16HP 42" TRACTOR DRIVE
Ref # Part Number Qty Description
1 137367 SUB= 161451
2 110422X SUB= 146682
3 123667X "PULLEY,TRANSAXLE"
4 12000028 SUB= 2267J
5 121520X STRAP TORQUE
6 17490512 SCREW
7 10040400 LOCKWASHER
8 127270 SUB= 141003
10 76020416 PIN COTTER 1/8
11 105701X WASH-SHFT PLT LT
12 19151216 WASHER
13 71040412 SUB= 74550412
14 2751R CLIP T
17 121520X STRAP TORQUE
18 74760612 SUB= 74780612
19 73680600 SUB= 73690600
20 17490512 SCREW
21 121274X KNOB.DUCKHEAD.1/2
22 130804 BRAKE ROD
23 73800600 NUT
24 73350600 NUT
25 106888X SPRING ROD LT
26 19131316 WASHER
27 76020412 COTTER PIN
28 133261 BRAKE PARK ROD
29 71673 PLUNGER CAP T
30 130807 TRANSAXLE MTG BKT
31 127289 "KEEPER,BELT LH"
32 74760512 BOLT
33 73680500 SUB= 73690500
34 122424X SUB= 149001
35 120183X NYLON BEARING
36 19211616 WASHER LT
37 1572H SUB= 2882J
38 123674X PULLEY.IDLER.FLAT
39 74760644 BOLT
40 4470J SPACER T
41 109070X BELT KEEPER LT
42 19131312 WASHER
43 73680600 SUB= 73690600
44 105706X "LY, BEARING"
45 110812X WASHER LT
46 12000039 KLIP RING
47 127783 SUB= 139245
48 123789X ARM IDLER
49 123205X RETAIN BELT
50 74760624 SUB= 74930624
51 73680600 SUB= 73690600
52 19131316 WASHER
53 105710X "LINK, CLUTCH T"
54 76020412 COTTER PIN
55 105709X "SPRING, RETURN LT"
56 76020412 COTTER PIN
57 131006 BELT-V
58 127290X SUB= 127290
59 136715 SUB= 140312
60 19131312 WASHER
61 17490612 SCREW
Page 15

Y1642B (1993) Page 15 of 28
16HP 42" TRACTOR DRIVE
Ref # Part Number Qty Description
62 8883R PEDAL COVER T
63 136905 PULLEY ENGINE
64 71170768 SUB= 150280
65 10040700 LOCKWASHER
66 129921 KEEPER.BELT.ENG.L
67 74760616 BOLT
68 19131312 WASHER
69 73680600 SUB= 73690600
74 109502X SPACER LT
75 121749X WASHER
76 12000001 E-RING LT
77 123583X SQUARE KEY
78 121748X WASHER
80 131487 ARM SHIFT TRANS
81 136933 SHAFT ASM.SHIFT
82 123782X "SPRING,TORSION"
83 19171216 WASHER
84 132183 TIE ROD
85 73530400 NUT 1/4-28
86 71208 BUSHING
87 19212016 WASHER D
88 12000008 KLIP RING
89 131636 SUB= 127271
90 124346X NUT
91 74760540 BOLT
93 73680500 SUB= 73690500
94 126197X WASHER
95 137141 BRACKET.ASM.MTG
96 72140506 BOLT
97 73680500 SUB= 73690500
98 137140 SUB= 142600
99 17490612 SCREW
100 19111012 WASHER T
Page 16

Y1642B (1993) Page 16 of 28
16HP 42" TRACTOR ELECTRICAL
Page 17

Y1642B (1993) Page 17 of 28
16HP 42" TRACTOR ELECTRICAL
Ref # Part Number Qty Description
1 122147X KEY
2 136850 "HARNESS,LIGHT SOC"
3 7662J SUB= 4152J
4 4406R SUB= STD365402
5 7603J "TRAY T, BATTERY"
6 124211X NUT IGNITION
7 110712X SWITCH LT
8 138406 SUB= 146154
9 10090400 SUB= 10040400
10 73350400 NUT
11 74780408 BOLT
12 11050400 LOCKWASHER
13 73510400 NUT
14 131563 SUB= 154336
15 134086 "HARNESS,IGNITION"
16 4207J CABLE T
17 4206J CABLE-BATTERY T
18 108236X BRACKET LT
19 109596X HOSE CLAMP T
20 121537X SUB= 123899X
21 7697J "DRAIN TU T, BATT"
22 104445X SWITCH-INTER. GT
23 17021008 SCREW
24 108824X FUSE HYT
25 74760412 BOLT LT
26 19091016 WASHER
27 10040400 LOCKWASHER
28 73220400 SUB= 50675
29 123198X SUB= 146525
30 109748X RELAY ASSY T
31 102476X SUB= 150109
32 72240460 BOLT
33 4799J "CABLE T, BATTERY"
34 7192J WIRE TIE
36 235R CLIPT
38 73680400 SUB= 73690400
39 126016X SUB= 4021J
40 4022J HEX NUT T
41 19171216 WASHER
44 102501X SUB= 141940
45 121305X SWITCH SEAT
47 123620X SUB= 141226
48 121264X "CAP,BATTERY "
49 9433R AMMETER T
50 131708 SUB= 532131708
51 10101000 SUB= 10071000
52 73911000 NUT
53 19070818 WASHER
Page 18

Y1642B (1993) Page 18 of 28
16HP 42" TRACTOR ENGINE
Page 19

Y1642B (1993) Page 19 of 28
16HP 42" TRACTOR ENGINE
Ref # Part Number Qty Description
1 137214 CONTROL.THROTTL
2 17720410 SCREW LT
3 CHECK WITH SUPPLIER
7 136216 "TUBE,MANIFOLD RH"
8 136215 "TUBE,MANIFOLD LH"
9 13280336 PIPE NIPPLE LT
10 13200300 ELBOW
11 11050600 LOCKWASHER
12 17490624 SCREW LT
13 137978 SUB= 149723
14 17190408 SCREW ST
15 17490512 SCREW
16 19131614 WASHER
17 122439X BRACKET MUFFLER
18 128199 SUB= 145552
21 136360 STRAP ASM. F.TANK
23 123803X "STRAP,TANK"
24 17490608 SCREW LT
25 128953 HEAT SHIELD
26 17021008 SCREW
29 132922 SPARK ARREST KIT
30 127813 SUB= 141291
31 123487X HOSE CLAMP
32 123549X SUB= 158990
33 5277J SUB= 8543R
34 126564X "STRIP,FORM"
37 CHECK WITH SUPPLIER
41 74570512 SCREW
42 10040500 LOCKWASHER
Page 20

Y1642B (1993) Page 20 of 28
16HP 42" TRACTOR LIFT
Page 21

Y1642B (1993) Page 21 of 28
16HP 42" TRACTOR LIFT
Ref # Part Number Qty Description
1 136971 WIRE.ASM.INNER
2 136969 SHAFT.ASM.LIFT.RH
3 138284 PIN GROOVE
4 12000002 SUB= 2225J
5 19211416 WASHER
6 120183X NYLON BEARING
7 109413X GRIP
8 124526X SUB= 125925X
10 122512X SUB= 532122512
11 134619 LINK LIFT LH
12 135388 LIFT LINK RH
13 4939M SUB= 85902
14 135563 "PIN,SPRING"
15 127218 LINK.FRONT
16 73350800 NUT
17 130171 TRUNION
18 73800800 NUT.LK.W/WSH.1/2.
19 130832 SUB= 130833
20 3146R RETAINER.SPRING
21 19151216 WASHER
22 12000037 KLIP RING
23 110807X NUT T
24 19131016 WASHER
25 2876H SPRING T
26 76020308 SUB= 3145
27 110729X ROD LIFT LT
28 73350600 NUT
29 138057 KNOB INF 3/8-16
30 110810X TRUNION LT
Page 22

Y1642B (1993) Page 22 of 28
16HP 42" TRACTOR MOWER
Page 23

Y1642B (1993) Page 23 of 28
16HP 42" TRACTOR MOWER
Ref # Part Number Qty Description
1 138024 SUB= 145338
2 72140506 BOLT
3 138017 BRKT ASM SWAY BAR
4 138440 BRKT DECK SW BAR
4A 132827 BOLT SHD 5/16-18
5 4939M SUB= 85902
6 130832 SUB= 130833
7 73800500 NUT
8 850857 BLADE BOLT
9 10030600 SUB= 10040600
10 129962 WASHER BLADE
11 138498 "BLADE.42"" HIPERF"
12 129895 BEARING.BALL
13 137645 SUB= 137646
14 128774 HSG ASM MANDREL
15 110485X BEARING
16 136929 SUB= 140329
17 72110616 BOLT
18 72140505 BOLT
19 73800500 NUT
20 136888 SUB= 918136888
21 73680500 SUB= 73690500
22 134753 STIFFENER BRKT
23 131267 DEFLECTOR BRKT
24 105304X CAP-SLEEVE LT
25 123713X SPRING TORSION
26 110452X NUT PUSH M
27 130968 DEFLECTOR.SHIELD
28 19111016 WASHER
29 131491 HINGE ROD
30 78158 SUB= 17580520
31 129963 WASHER
32 129861 SUB= 153535
33 137266 SUB= 139729
34 72110622 BOLT
35 133835 XMAS TREE FASTNER
36 131494 FLAT IDLER PULLEY
37 19131316 WASHER
40 73680600 SUB= 73690600
41 132823 SUB= 532132823
44 134236 SUB= 140088
46 137729 SCREW.1/4-20X5/8
54 133943 HARDENED WASHER
55 133844 IDLER ARM
56 122052X SPACER RETAINER
61 131950 SPRING.EXTENSION
68 130969 BELT-V.92.4.MWR
69 74760616 BOLT
70 132274 SUB= 532132274
71 73680600 SUB= 73690600
72 19171416 WASHER
73 132264 SUB= 532132264
80 4898H BOLT M
81 105455X WHEEL.GAGE.BLK.PL
83 73800600 NUT
84 74760512 BOLT
85 73510500 NUT
86 72110504 SUB= 872110504
Page 24

Y1642B (1993) Page 24 of 28
16HP 42" TRACTOR MOWER
Ref # Part Number Qty Description
87 132263 SUB= 155197
88 132262 SUB= 155198
89 132273 SUB= 532132273
138506 SUB= 145452
130794 MANDREL ASM
Page 25

Y1642B (1993) Page 25 of 28
16HP 42" TRACTOR SEAT ASSEMBLY
Page 26

Y1642B (1993) Page 26 of 28
16HP 42" TRACTOR SEAT ASSEMBLY
Ref # Part Number Qty Description
1 127428 SUB= 140119
2 126656X SUB= 140551
3 74760612 SUB= 74780612
4 19131210 WASHER
5 2751R CLIP T
6 73680600 SUB= 73690600
7 124181X SPRING COMPRESSIO
8 17490640 SCREW
9 19131614 WASHER
10 131451 SUB= 155925
11 121251X STRIP FORM
12 121246X BRKT SWITCH
13 121248X BUSHING
14 72050411 SUB= 872050411
15 134300 SPLIT SPACER
16 121250X SPRING
17 123976X SUB= 73900400
18 74641008 SUB= 71031008
19 73951000 "NUT,KEPS"
20 4171R CLIP T
21 105529X SUB= 139888
22 73680500 SUB= 73690500
24 19171912 WASHER
25 127018X "BOLT,SHOULDER"
26 120068X "KNOB 1/2"" YT"
27 131772 SEAT SPACER
28 131771 SPLIT SPACER
29 124238X CAP SPRING
Page 27

Y1642B (1993) Page 27 of 28
16HP 42" WHEELS AND TIRES
Page 28

Y1642B (1993) Page 28 of 28
16HP 42" WHEELS AND TIRES
Ref # Part Number Qty Description
1 59192 VALVE CAP
2 65139 VALVE STEM LT
3 138468 TIRE.20X8-8
4 7152J TUBE.18X9.5-8
5 106108X361 SUB= 106108X417
6 278H FITTING LT
7 9040H "FLANGE, BEARING"
8 106732X361 SUB= 106732X417
9 106222X SUB= 122073X
10 59904 TUBE.5.3/4.5/6
11 104757X HUB CAP