Specifications
REPAWF PARTS
20 HP TRACTOR = = MODEL NUMBER 917.250051
TRANSAXLE
KEY PART KEY PART
NO. NO. DESCRmPTION NO. NO. DESCRIPTION
1 4197R Axte Shaft 51 1529R
2 12000034 Retaining Ring 52 8119M
3 4199R Final Drive Gear 53 4220R
4 42t6R Differential Gear 54 4209R
5 4215R Differential Pinion 55 42t3R
6 4217R Differential Carrier 56 4442R
7 6256H Axle Thrust Washer 57 4t95R
8 74020652 Bolt, Hex Head 3/8-24x 3-t/4 58 42t4R
(1" Thread Length) 59 4194R
9 7392M Steel Ball 60 7528R
10 137261 Spring Shift Fork Detent 61 4208R
11 4985R Shift Fork, High-Low Range 62 4207R
12 6266H Thrust Bearing Race 63 7398H
13 4212R 4th Reduction Pinion 64 4203R
14 4196R 3rd Reduction Gear Shaft
15 6276H Snap Ring, Crescent Type 65 4204R
16 633A63 High-Low Range Gears 66 2898J
17 8118M Needle Bearing 67 4926H
18 8740H1 Sintered Iron Bearing 68 4205R
19 122238X Shift Fork Shaft, High-Low Range 69 4206R
20 4218R Differential Pinion Spacer 70 1370H
21 6252H1 Differential Pinion Bushing 71 633A69
22 78!0H Gripco Centerlock Nut 3/8-24
23 6262H Shift Fork, R.H. 72 208J
24 7393R Oil Seal 73 4201R
25 992R1 Sintered Iron Bearing 74 12000002
26 6216H Shift Fork Shaft 75 1t53R
27 4986R Shift Fork, L.H. 76 7392H
28 122254X Shift Shaft, High-Low Range 77 3990H
29 6269H Oil Seal 78 73220500
30 5855H Pressure Relief Valve 79 1167R
31 137976 Gearcase, Reverse Idler Shaft and 80 73360700
Bearings, R.H. (Includes Key No.'s 81 6270H
17,18, 25, 33, 50, 63, 76, 77 & 82) 82 7384H
32 6277H Dowel Pin 84 5384J
33 4225R Needle Bearing 85 2978J
34 7396H Thrust Bearing Race 86 633A85
35 4198R 4th Reduction Gear Shaft 87 8739H1
36 4200R 4th Reduction Gear Spacer 88 4924H
37 7395H Thrust Bearing Race 89 19151516
38 t21878X Gearcase Gasket 90 110542X
39 137974 Gearcase and Bearings, L.H. 91 19181511
(Includes Key Numbers 18, 25, 49, 92 75J
50 (2), 51 and 52) 93 6274H
40 13320400 Pipe Plug 1/2-14 N.P.T. 94 76020412
4t 74780526 Bolt, Hex 5/16o18 UNC x 1-5/8 95 10040500
45 6271H Oil Seal 96 74760514
46 13060200 Pipe Plug 1/4-18 N.P.T. 97 633A109
47 74780524 Bolt, Hex 5/16-18 x 1-1/2 Grade 5 98 137982
48 10040500 Washer, Lock, Extra Heavy 5/16
49 4895H Needle Bearing
50 4222R Needle Bearing
Needle Bearing
Needle Bearing
Thrust Bearing Race
3rd Reduction Pinion, Low
4th Reduction Gear
3rd Reduction Pinion Spacer
2nd Reduction Gear Shaft
Final Drive Pinion
1st Reduction Gear Shaft
.1 st Reduction Shaft Spacer
3rd Reduction Pinion High
2nd Reduction Gear
Needle Bearing
Low Speed Gear and 2nd
Reduction Pinion Cluster
Reverse Gear
Key, Hi-Pro t/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
Oi! Seal
Reverse Idler Shaft
Gearshift Lever, Bent
Gearshift Cap
Gearshift Ball Cover and Pin
Shift Lever Guide Ball, Keyed
Spring
Washer 15/32 x 15/16 x !6 Gauge
Shift Mechanism Seal
Washer 9/16 x 15/16 x 12 Gauge
Gearshift Gate and Reinforcement
Shift Bail Cover Gasket
Cotter Pin !/8 x 3/4
Washer, Lock 5/16
Bolt, Hex Head 5/16-!8 UNC x 7/8
Gearshift Lever Assembly
Transaxfe Assembly (Less Brake
Drum and Shift Lever)
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
37