Sears 917.257720 owner manual Transaxle

REPAIR PARTS

18 HP 44" TRACTOR = MODEL NUMBER 917.257720

TRANSAXLE

KEY	PART
NO,	NO.	DESCRiPTiON
1	4197R	Axle Shaft
2	12000034	Retaining				Ring
3	4199R	Final		Drive Gear
4	4216R	Differential				Gear
5	4215R	Differential				Pinion
6	4217R	Differential				Carrier
7	6256H	Axle Thrust Washer
8	74020652	Bolt, Hex Head						3/8-24 x 3-1/4
9	7392M	(1" Thread				Length)
		Steel		Ball
10	137261	Spring			Shift Fork				Detent
11	4985R	Shift Fork. High-Low Range
12	6266H
		Thrust			Bearing			Race
13	4212R	4th Reduction						Pinion
14	137125	Shaft,			Brake
!5	6276H	Snap		Ring, Crescent						Type
16	633A63	High-Low				Range Gears
17	8118M	Needle			Bearing
18	8740H1	Sintered iron					Bearing
19	122238X	Shift		Fork Shaft, High-Low Range
20	4218R	Differential				Pinion			Spacer
21	6252H1	Differential				Pinion			Bushing
22	7810H
		Gripco Centerlock Nut 3/8-24
23	6262H	Shift		Fork,		R.H.
24	7393R	Oil Sea!
25	992R1	Sintered Iron Bearing
26	139111	Shift		Fork		Shaft
27	4986R	Shift		Fork,		L.H.
28	122254X	Shift Shaft, High-Low								Range
29	6269H	Oil Seal
30	5855H	Pressure Relief						Valve
31	139538	Gearcase,				Reverse				Idler Shaft and
		Bearings, R.H. (includes Key No.'s
32	6277H	17,18, 25, 33, 50, 63, 77 and 82)
		Dowel			Pin
33	4225R	Needle			Bearing
34	7396H	Thrust			Bearing			Race
35	4198R	4th	Reduction				Gear			Shaft
36	4200R	4th	Reduction				Gear			Spacer
37	7395H	Thrust			Bearing			Race
39	139536	Gearcase				and		Bearings, L.H.
		(Includes Key Numbers 18, 25, 49,
4O	13320400	50 (2), 51 and 52)
		Pipe Plug 1/2-14 N.P.T.
41	17580520
		Bolt, Hex				5/16-18			UNC x 1-1/4
45	6271H	Oil Seal
46	13060200	Pipe		Plug		1/4-18			N.P.T.
49	4895H	Needle			Bearing
50	4222R	Needle			Bearing
51	1529R	Needle			Bearing

KEY	PART
NO.	NO.	DESCRiPTiON
52	8119M	Needle	Bearing
53	4220R
		Thrust Bearing			Race
54	4209R	3rd Reduction			Pinion, Low
55	4213R	4th Reduction			Gear
56	4442R	3rd Reduction			Pinion Spacer
57	4195R	2nd Reduction			Gear		Shaft
58	42t4R	Fina! Drive		Pinion
59	4194R	1st Reduction			Gear		Shaft
60	7528R	1st Reduction			Shaft		Spacer
61	4208R	3rd Reduction			Pinion Hlgh
62	4207R	2nd Reduction			Gear
63	7398H	Needle Bearing
64	4203R	Low Speed		Gear and 2nd
		Reduction Pinion				Cluster
65	4204R	Reverse	Gear
66	2898J	Key, Hi-Pro		!/8		x 17/32
67	12000033	Klip Ring
68	4205R	Intermediate		Speed			Gear
69	4206R	High Speed		Gear
70	1370H	Thrust Bearing			Race
71	633A69	Intermediate		and		High Speed
72	139120	Cluster Pinions
		Input Shaft
73	4201R	Low Speed		Pinion
74	12000008	E-Ring
75	1153R	Reverse	Idler Gear
77	6803J	Needle Bearing
79	1167R	Sealing	Washer
80	73360700	Nut, Hex, ,Jam 7/16-20
81	6270H	Oil Seal
82	136984	Reverse	Idler Shaft
84	5384J	Gearshift	Lever,			Bent
85	2978J	Gearshift	Cap
86	633A85	Gearshift	Ball Cover				and Pin
87	8739H!	Shift Lever Guide Ball, Keyed
88	4924H	Spring

8919151516 Washer 15/32 x 15/16 x 16 Gauge

90110542X Shift Mechanism Seat

91	19181511	Washer	9/16 x !5/16 x 12 Gauge
92	75J	Gearshift	Gate	and Reinforcement
93	6274H	Shift Ball	Cover	Gasket
94	76020412	Cotter Pin 1/8 x 3/4
95	10040500	Washer,	Lock	5/16
96	74760514	Bolt, Hex	Head	5/16-18 UNC x 7/8
97	633A109	Gearshift	Lever	Assembly
98	139535	Transaxle	Assembly

(Less Brake Drum and Shift Lever)

NOTE: All component dimensions given in U.S. inches 1 inch = 25.4 mm

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