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TRANSMISSION
Model 988100, 102, 114, 121, 122
Item Part No. Qty. Description
1 772083A 1 Transmission Cover
2 780086A 1 Needle Bearing .625 ID x .50
780142 1 Needle Bearing .625 ID x .75
3 770061A 1 Transmission Case
4 776134 1 Countershaft
5 792089A 4 Shift Key
6 784266 1 Shift Collar
7 784376 1 Shift Rod & Fork Assembly
8 778154 1 Bevel Gear (42 Teeth)
9 792176 1 Bevel Pinion (14 Teeth-Steel)
10 792077 1 Steel Ball .31 Diameter
11 792078 1 Set Screw .38-16 x .38
12 780079 1 Spring
13 792071 1 Thrust Bearing
14 792073A 6 Screw .25-20 x 1.25
15 792035 1 Ring, Retaining
16 788040 1 Ring, Retaining
17 780072 6 Washer
18 780108 5 Washer
19 792001 1 "O"-Ring
20 780105A 4 Bushing-Flanged
21 778146A 1 Spur Gear (37 Teeth)
22 778125 1 Spur Gear (35 Teeth)
23 778239A 1 Spur Gear (32 Teeth-Steel)
24 778124A 1 Spur Gear (30 Teeth)
25 778250 1 Spur Gear (27 Teeth)
26 778145 1 Spur Gear (12 Teeth)
27 778151 1 Spur Gear (15 Teeth)
28 778240 1 Spur Gear (18 Teeth)
29 778126A 1 Spur Gear (20 Teeth)
30 778249 1 Spur Gear (23 Teeth)
31 780139 1 Washer
32 776135 1 Input Shaft 3.69 long
33 776402 1 Shifter and Brake Shaft
34 788069 1 Square Cut Ring
35 792074 1 Threaded Plug
36 786081 1 Roller Chain (No. 41, 24 Links
37 786082 1 Sprocket (9 Teeth)
38 786083 1 Sprocket (18 Teeth)
39 788067B 1 Grease (32 oz. Bottle Bentonite Grease)
40 510334 1 Gasket Eliminator (Loctite #515)
41 786176 1 Optional Coupling (1.813 OD)
786177 1 Optional Coupling (1.188 OD)
42 776401 1 Optional Connector (6.095 long)
776403 1 Optional Connector (6.25 long)
776407 1 Optional Connector (6.630 long)
776416 1 Optional Connector (7.000 long)
TECUMSEH PRODUCTS COMPANY
Engine and Gear Service Division
Grafton, Wisconsin
NOTE: Part Numbers listed on this page are Tecumseh part numbers and are to be ordered or purchased from the
nearest Tecumseh Service Outlet, which may be found in the Yellow Pages of the Telephone Directory.