Owner's Manual

REPAIR PARTS
18 HP 44" TRACTOR - MODEL NUMBER 917.255980
TRANSAXLE
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO, DESCRIPTION
1
2
3
4
5
6
7
8
9
10
1t
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
45
46
47
48
49
5O
4197R
12000034
4! 99R
4216R
42t5R
42t7R
6256H
74020652
7392M
137261
4985R
6266H
4212R
4196R
6276H
633A63
8118M
8740H1
122238X
4218R
6252H1
7810H
6262H
7393R
992R1
6216H
4986R
122254X
6269H
5855H
t 37976
6277H
4225R
7396H
4198R
4200R
7395H
121878X
137974
13320400
74780526
6271H
13060200
74780524
10040500
4895H
4222R
Axle Shaft
Retaining Ring
Final Drive Gear
Differential Gear
Differential Pinion
Differential Carrier
Axle Thrust Washer
Bolt, Hex Head 3/8-24 x 3-1/4
(1" Thread Length)
Steel Balf
Spring Shift Fork Detent
Shift Fork, High-Low Range
Thrust Bearing Race
4th Reduction Pinion
3rd Reduction Gear Shaft
Snap Ring, Crescent Type
High-Low Range Gears
Needle Bearing
Sintered Iron Bearing
Shift Fork Shaft, High-Low Range
Differential Pinion Spacer
Differential Pinion Bushing
Gripco Centeriock Nut 3/8-24
Shift Fork, R.H.
Oil Seal
Sintered Iron Bearing
Shift Fork Shaft
Shift Fork, Loll.
Shift Shaft, High-Low Range
Oil Seal
Pressure Relief Valve
Gearcase, Reverse Idler Shaft and
Bearings, R.H. (Includes Key No.'s
17,18, 25, 33, 50, 63, 76, 77 & 82)
Dowel Pin
Needle Bearing
Thrust Bearing Race
4th Reduction Gear Shaft
4th Reduction Gear Spacer
Thrust Bearing Race
Gearcase Gasket
Gearcase and Bearings, Loll.
(Includes Key Numbers 18, 25, 49,
50 (2), 51 and 52)
Pipe Plug 1/2_14 N.P.T.
Bolt, Hex 5/16-18 UNC x 1-5/8
Oil Seal
Pipe Plug 1/4-18 N.P.To
Bolt, Hex 5116-18 x 1-1/2 Grade 5
Washer, Lock, Extra Heavy 5/16
Needle Bearing
Needle Bearing
51 1529R
52 8119M
53 4220R
54 4209R
55 4213R
56 4442R
57 4195R
58 4214R
59 4194R
60 7528R
6t 4208R
62 4207R
63 7398H
64 4203R
65 4204R
66 2898J
67 4926H
68 4205R
69 4206R
70 1370H
71 633A69
72 208J
73 4201R
74 12O00002
75 1153R
76 7392H
77 6803J
78 73220500
79 1167R
80 73360700
81 6270H
82 7384H
84 5384J
85 2978J
86 633A85
87 8739H1
88 4924H
89 19151516
90 110542X
9t 19181511
92 75J
93 6274H
94 76020412
95 10O405O0
96 74760514
97 633A109
98 137982
Needle Bearing
Needle Bearing
Thrust Bearing Race
3rd Reduction Pinion, Low
4th Reduction Gear
3rd Reduction Pinion Spacer
2rid Reduction Gear Shaft
Finat Drive Plnion
1st Reduction Gear Shaft
1st Reduction Shaft Spacer
3rd Reduction Pinion High
2nd Reduction Gear
Needle Bearing
Low Speed Gear and 2nd
Reductlon Pinion ChJster
Reverse Gear
Key, Hi-Pro 1/8 x 17/32
Snap Ring, Crescent Type
Intermediate Speed Gear
High Speed Gear
Thrust Bearing Race
Intermediate and High Speed
Cluster Pinions
Input Shaft
Low Speed Pinion
E-Ring
Reverse Idler Gear
Reverse Idler Thrust Washer
Needle Bearing
Nut, Hex 5/16-18
Sealing Washer
Nut, Hex, Jam 7/16-20
Oil Seal
Reverse idler Shaft
Gearshift Lever, Bent
Gearshift Ca
D
Gearshift Ball Cover and Pin
Shift Lever Guide Ball, Keyed
S_Paring
sher 15/32 x 15/16 x 16 Gauge
Shift Mechanism Seal
Washer 9/16 x 15/16 x 12 Gauge
Gearshift Gate and Reinforcement
Shift Ball Cover Gasket
Cotter Pin 1/8 x 3/4
Washer, Lock 5/16
Bolt, Hex Head 5/16o18 UNC x 7/8
Gearshift Lever Assembly
Transaxle Assembly
(Less Brake Drum and Shift Lever)
NOTE: All component dimensions given in UoS.inches
1 inch = 25,.4 rnm
47