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REPAIR PARTS
18 HP 44" TRACTOR - - MODEL NUMBER 917.255890
MOWER
KEY
PART
DESCRIPTION
KEY
PART
DESCRIPTION
NO.
NO.
NO.
NO.
1
121423X
Housing, Mower
50
102951X
2
129762
Stop Assembly, Parallel Link
51
STD551031
3
4921H
Retainer, Spring
52
STD523112
4
105744X
Hinge Pin, Front
53
108394X
7
73660600
Nut, Crownlock 3/8-16
54
STD560907
8
109835X
Hinge Pin, Rear
55
110384)(
9
106512X
Bracket, Lift, R.H.
56
108393)(
10
106511X
Bracket, Lift, L.H.
58
136321
11
STD533107
Bolt, Carriage 5/16-18x3/4
60
102924)(
12
73680500
Nut, Crownlock 5/16-18
61
74760580
13
19131614
Washer 13/32x 1 x14Gauge
62
109785X
14
102932X
Idler, Flat
63
106734X
15
106526X
Arm, Idler Deck
64
106735X
16
74110632
Screw, Flat Head 3/8-16 x 2
65
137607
17
STD523712
Bolt, HexHead 3/8-16x 1-1/4
66
19111016
18
106513)(
Washer, Wear
67
110452X
19
106902X
Spacer
68
STD533707
20
72110505
Bolt, Carriage 5/16-18 x 5/8
69
STD623715
21
102403)(
Pulley, Idler
22
121424)(
Arm, idler
70
106635X
23
121426X
Guide, Belt
71
STD551137
24
72110506
Bolt, Carriage 5/16-18 x 3/4
72
19132012
25
106530X
Spring
73
17490612
26
19111216
Washer 11!32 x 3!4 x16 Gauge
27
1685H
Locknut 5/16-18
74
7644J
29
123807X
Bracket, Suspension, Rear, R.H.
75
72140612
30
108235X
Rod, Clutch
76
106085X
31
123808X
Bracket, Suspension, Rear, L.H.
77
72140616
32
136818
Mandrel, Secondary
81
105304X
33
106529X
Guide, Belt
82
STD523710
34
677A451
Pulley, Idler
84
STD541037
36
106523X
Bar, Support, idler
85
STD541031
37
106522X
Brace, Idler, Deck
86
STD551131
38
121236X
Spacer
89
74760412
40
STD523730
Bolt, Hex Head 3/8-16 x 3
90
19091616
41
STD533710
Bolt, Carriage 3/8-16 x 1
91
73680400
42
121704X
Mandrel, Primary
92
121316X
43
7631J
Runner, L.H.
93
121352X
44
106214X
Guard
94
19131316
45
121427X
Spring, Extension
95
19131410
46
121827)(
Bolt, Shoulder
- -
121825X
47
73930600
Nut, Centertock 3/8-16
49
106606X
Arm, Brake
Brake, Block
Washer 11/32 x 11/16 x 16 Gauge
Bolt, Hex Head 5/16-18 x 1-1/4
Rod, Brake
Pin, Cotter
3/32 x 3/4
Shaft, Rock
Support, Rock Shaft
Runner, R.H.
Guard, Belt, R.H.
Bolt, Hex Head 5/16-18 x 5
Shield, Deflector
Spring
Rod, Hinge
Bracket, Deflector
Washer 11/32 x 5/8 x 16 Gauge
Nut, Push
Belt, Carriage 3/8-16 x 3/4
Bolt, Hex Head
3/8-24 x 1-1/2 Grade 5
Blade
Washer, Lock 3/8
Washer 13/32 x 1-1/4 x 12 Gauge
Screw, Hex Washer Head, Thd.,
Roll. 3/8-16 x 3/4
Spring, Extension
Bolt, Carriage 3/8-16 x 1-1/2
V-Belt
Bolt, Carriage 3/8-16 x 2
Cap, Sleeve
Bolt, Hex Head 318-16 x 1
Nut, Hex 3/8-16
Nut, Hex 5/16- 18
Washer, Lock 5/16
Bolt, Hex Head 1/4-20 x 3/4
Washer 9/32 x 1 x 16 Gauge
Nut, Crownlock 1/4-20
Pully, Idler
Keeper, Belt
Washer 13/32 x 13/16 x 16 Gauge
Washer 13/32 x 7/8 x 10 Gauge
Replacement Mower Deck
NOTE: All component dimensions given in U.S. inches
1 inch= 25.4 mm
43
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