
YTH160AT (1999 & Before) Page 1 of 11
HARDWARE (ENCLOSURES, SEAT)

YTH160AT (1999 & Before) Page 2 of 11
HARDWARE (ENCLOSURES, SEAT)
Ref # Part Number Qty Description
37 19091216 WASHER PM
49 73220400 SUB= 50675

YTH160AT (1999 & Before) Page 3 of 11
HARDWARE (MOWER DECK, BELT, BLADES)

YTH160AT (1999 & Before) Page 4 of 11
HARDWARE (MOWER DECK, BELT, BLADES)
Ref # Part Number Qty Description
23 100662K BOLT SHOULDER LTV
26 73680600 SUB= 73690600
38 17490620 SCREW
39 17490612 SCREW
40 72240606 BOLT
41 72140505 BOLT
42 73680500 SUB= 73690500
43 19111216 WASHER M
44 4939M SUB= 85902
45 19171616 WASHER
46 72140506 BOLT

YTH160AT (1999 & Before) Page 5 of 11
MOWER DECK, BELT, BLADES

YTH160AT (1999 & Before) Page 6 of 11
MOWER DECK, BELT, BLADES
Ref # Part Number Qty Description
1 106085X BELT-V.79.1.MWR
2 105891X SUB= 121687X
3 106578X BRAKE LT
4 100668L SUPPORT PLATE LT
5 102669X BELT KEEPER LT
6 100659L BRACKET FRONT LTV
7 100675K ROD BRAKE LTV
8 76020412 COTTER PIN
9 108316X SUB= 101992X
9A 1793H ROLL PIN T
10 19131316 WASHER
11 73930600 LOCKNUT
12 100665L BRACKET LIFT LTV
13 100674L BRACKET PIVOT LTV
14 100672K SPACER BRAKE LTV
15 100673L BRACKET SUPT LTV
16 8417J SUB= 128772
17 5846R SUB= 110452X
18 100731K ROD HINGE LTV
19 4672J SUB= 137607
20 4897J SPRING M
21 102512X SUB= 127322X
22 78850 SUB= 85463
23 100662K BOLT SHOULDER LTV
24 100661L ARM SUSPENS. LTV
25 100660L ARM SUSPENS. LTV
26 73680600 SUB= 73690600
27 106634X SUB= 25036
28 746106214 BOLT
29 10040600 LOCKWASHER
30 19132012 WASHER
31 74760680 BOLT
32 106203X NLA
33 100836K BRACKET GTV
34 100664L CROSSBAR LTV
35 73220600 NUT.HEX.3/8-16UNC
36 100666M SUB= 200236X
37 7631J RUNNER-LH M
47 105304X CAP-SLEEVE LT

YTH160AT (1999 & Before) Page 7 of 11
STEERING, FRONT WHEELS, AXLE

YTH160AT (1999 & Before) Page 8 of 11
STEERING, FRONT WHEELS, AXLE
Ref # Part Number Qty Description
1 100710L INSERT-WHEEL LT
2 73360800 NUT
3 100712K WASHER
4 100713N SUB= 150547
4A 100711L ADAPTER LT
6 12000029 RING
7 19252016 SUB= 121749X
8 9040H "FLANGE, BEARING"
9 106222X SUB= 122073X
59904 TUBE.5.3/4.5/6
10 106218X WHEEL LT
11 65139 VALVE STEM LT
12 59192 VALVE CAP
13 102482X AXLE ASSY YTV
14 74761052 NLA
15 100633L NLA
16 73610500 NUT
17 10040500 LOCKWASHER
18 101005M SUB= 100629K
19 9530R SUB= 5142H
20 73681000 LOCKNUT M
21 10040600 LOCKWASHER
22 73610600 SUB= 7810H
23 100628N DRAG LINK LTV
24 105008X SHAFT ASSY LT
25 74580 SHAFT SPACER LT
26 71208 BUSHING
27 102531X SUB= 110150X
28 4301J GEAR-SECTOR T
29 2228M SUB= 2228M1
30 19212016 WASHER D
31A 2882J DRIVE PIN
32 6266H WASHER .T
33 100627L ROD STEERING LT
34 100630L SPINDLE LH LTV
35 17490612 SCREW
36 6826J TUBE T
37 156J NLA
38 74930644 BOLT
39 73510600 NUT
40 3366R COL. SRTG. BEAR.
41 104590X DECAL - STEERING WHEEL
42 104757X HUB CAP
43 278H FITTING LT
44 19252516 WASHER LT
45 106943X SPACER LT
46 106944X TUBE LT

YTH160AT (1999 & Before) Page 9 of 11
TRANSAXLE P/N BREAKOUT

YTH160AT (1999 & Before) Page 10 of 11
TRANSAXLE P/N BREAKOUT
Ref # Part Number Qty Description
1 3655A HOUSING, UPPER
2 1360 SCREW 1/4-20 X 1.31
3 3396 SCREW 1/4-20 X .875
4 1151 BALL DETENT
5 3626 SPRING, DETENT
6 3623 SCREW, SET
7 1099 RING RETAINING
8 1441 WASHER PLAIN
8 1423 WASHER, PLAIN .632 X 1.00 X .026
8 1082 WASHER PLAIN
8 1424 WASHER PLAIN
8 1068 WASHER PLAIN
8 1425 WASHER PLAIN
8 1358 WASHER PLAIN
8 1145 WASHER, PLAIN .632 X 1.00 X .060
8 1319 WASHER PLAIN
9 3312 O-RING
10 1425 WASHER PLAIN
11 1374 KEY WOODRUFF #9
12 4172 ASSY, KIT, INPUT SHAFT & BEVEL GEAR
13 4173 ASSY, KIT, PINION & BEVEL GEAR
14 3624 RING, RETAINING
15 3625 CHAIN, 24 PITCHES
16 1542 BEARING, FLANGE
17 3709 GEAR, SPUR 14T
18 3631 COLLAR CLUTCH
19 3676 KEY, CLUTCH
20 1369 KEY WOODRUFF #3
21 3663 SHAFT, INTERMEDIATE
22 1375 KEY, WOODRUFF, #61
23 3627 RING, RETAINING
24 3640 SPROCKET, 18T
25 3710
26 3649 GEAR, SPUR, 37T
27 3622
28 3644 GEAR, SPUR, 30T
29 3643 GEAR, SPUR, 25T
30 3642 GEAR SPUR, 22T
31 3682 GEAR, SPUR, 19T
32 3628 WASHER, PLAIN .640 X 1.37 X .061
33 4143 ASSY, GEAR
34 3658 SHAFT, IDLER
35 1959 WASHER PLAIN
36 3645 SPROCKET, 9 TEETH
37 1477 BOLT, SHOULDER
38 3652 WASHER PLAIN
38 3693 WASHER PLAIN
38 3653 WASHER PLAIN
38 3408 WASHER PLAIN
38 3732 WASHER PLAIN
38 3184 WASHER, PLAIN .758 X 1.25 X .031
38 3733 WASHER PLAIN
38 3198 WASHER PLAIN
38 3734 WASHER PLAIN
38 3735 WASHER PLAIN
38 3736 WASHER PLAIN
38 3180 WASHER PLAIN
39 3646 GEAR, SPUR, 12 TEETH

YTH160AT (1999 & Before) Page 11 of 11
TRANSAXLE P/N BREAKOUT
Ref # Part Number Qty Description
40 3637 GEAR, SPUR 20T
41 3719 GEAR, SPUR, 25 TEETH
42 3648 GEAR, SPUR 28T
43 3683 GEAR, SPUR, 31 TEETH
44 3657 SHAFT, DRIVE
45 1145 WASHER, PLAIN .632 X 1.00 X .060
46 3191 SEAL FELT
47 3184 WASHER, PLAIN .758 X 1.25 X .031
48 3666 AXLE
49 4174 ASSY, KIT
50 3656 RING, RETAINING
51 3154 GEAR, SPUR, 32T
52 3179 SHAFT, CROSS
53 3724 SCREW TAPPING
54 3667 AXLE
55 4148 ASSY, SHIFTER
56 3723 CAP, SUPPORT
57 3654A HOUSING, LOWER
58 3404 PUCK, FRICTION
59 1902 DISC, BRAKE
60 3242 PUCK, FRICTION
61 3293 SPACER
62 1479 SPRING, COMPRESSION
63 2618 SPRING, COMPRESSION
64 1606
65 4032 ASSY, LEVER, ACTUATING
66 1546 WASHER, PLAIN
67 1709 BEARING, NEEDLE
68 REFER TO IMAGE