2.57:1 and 2.91:1 Reduction Units
Current Production

Ref #	Part #	Description	Qty
	None	REDUCTION UNIT ASSEMBLY (2.57:1)
	None	REDUCTION UNIT ASSEMBLY (2.91:1)
1	179864	HEX HEAD BOLT (7/16-14 X 1-3/4)	2
2	103322	LOCKWASHER (7/16)	2
3	179840	HEX HEAD BOLT (3/8-18 X 1-1/8)	6
4	103321	LOCKWASHER (3/8)	6
5	10-00-149-034	COUPLING NUT	1
6	10-00-031-001	COUPLING	1
7	10-17-659-007	PINION CAGE AND OUTPUT SHAFT	1
		ASSEMBLY (2.57:1 ONLY)
7A	10-17-659-008	PINION CAGE AND OUTPUT SHAFT	1
		ASSEMBLY (2.91:1 ONLY)
8	L6-135	OIL COLLECTOR RING (2.57:1 ONLY)	1
8A	L4-135	OIL COLLECTOR RING (2.91:1 ONLY)	1
9	R10B-40	PINION SHAFT PIN (2.57:1 ONLY)	6
9A	4717L	PINION SHAFT PIN (2.91:1 ONLY)	6
10	L5-39	PINION SHAFT	6
11	L6-43	THRUSTWASHER (2.57:1 ONLY)	12
11A	L3-43	THRUSTWASHER (2.91:1 ONLY)	12
12	4741 A	ROLLER BEARING	288
13	L3-41	PINION BEARING SPACER	6
14	L6-5	PINION GEAR (2.57:1 ONLY)	6
14A	L4-5	PINION GEAR (2.91:1 ONLY)	6
15	10-17-159-003	PINION CAGE AND OUTPUT SHAFT	1
		(2.57:1 ONLY)
15A	10-17-159-004	PINION CAGE AND OUTPUT SHAFT	1
		(2.91:1 ONLY)
16	None	BEARING ASSEMBLY	1
17	10-00-133-010	BEARING CONE*	1
18	10-00-133-009	BEARING CUP*	1
19	10-17-053-002	SOLID SPACER (.820-.821 INCH LONG)**	1
19A	10-17-053-003	SOLID SPACER (.829-.830 INCH LONG)**	1
19B	10-17-053-004	SOLID SPACER (.832-.833 INCH LONG)**	1
19C	10-17-053-005	SOLID SPACER (.835-.836 INCH LONG)**	1
19D	10-17-053-006	SOLID SPACER (.838-.839 INCH LONG)**	1
19E	10-17-053-007	SOLID SPACER (.841-.842 INCH LONG)**	1
19F	10-17-053-008	SOLID SPACER (.844-.845 INCH LONG)**	1
19G	10-17-053-009	SOLID SPACER (.847-.848 INCH LONG)**	1
19H	10-17-053-010	SOLID SPACER (.850-.851 INCH LONG)**	1
19I	10-17-053-011	SOLID SPACER (.853-.854 INCH LONG)**	1
19J	10-17-053-012	SOLID SPACER (.856-.857 INCH LONG)**	1
20	10-00-044-017	OIL SEAL	1
21	None	BEARING ASSEMBLY	1
22	10-00-133-002	BEARING CONE*	1
23	10-00-133-001	BEARING CUP*	1
24	4776BB	LOCK BOLT (7/,6-14 X 7/8)	2
25	10-17-036-001	OIL BAFFLE	1
26	10-17-065-001	REDUCTION HOUSING	1
27	4734	SNAP RING	1
28	L6-104	SUN GEAR (2.57:1 ONLY)	1
28A	L7-104	SUN GEAR (2.91:1 ONLY)	1
29	4853E	LOCK BOLT (7/16-14 X 1-1/4)	6
30	115550	LOCKWASHER (7/16)	6
31	4756E	SNAP RING (2.57:1 ONLY)	1
31A	4756D	SNAP RING (2.91:1 ONLY)	1
32	L6-31	STATIONARY GEAR PLATE (2.57:1 ONLY)	1
32A	L7-31	STATIONARY GEAR PLATE (2.91:1 ONLY)	1
33	L6-6	RING GEAR (2.57:1 ONLY)	1
33A	L3-6	RING GEAR (2.91:1 ONLY)	1
34	L4-146	REAR ADAPTER GASKET	1
35	L7-8A	REDUCTION UNIT ADAPTER	1
36	4816	SNAP RING	1
37	10-00-130-018	BEARING	1
38	L4-145	FRONT ADAPTER GASKET	1
*REPLACE BOTH PARTS IF ONE IS DAMAGED.
**SELECT CORRECT SIZE SPACER AT ASSEMBLY. ONLY ONE REQUIRED.