| Item | Part No. | Part Name | Qty | Serial No. |
| (175-15-01221) | TRANSMISSION ASS'Y | 31303-31563 | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.F2320-51A1 TO F2320-63A1. | ||||
| 1 | 01010-61435 | BOLT | 31303-@ | |
| 2 | 01602-01442 | WASHER | 31303-@ | |
| 3 | 175-15-43116 | CASE | 31303-@ | |
| 4 | 07042-20211 | PLUG,TAPER | 31303-@ | |
| 5 | 175-15-43152 | CAGE,BEARING | 31303-@ | |
| 6 | 01010-81240 | BOLT | 31303-@ | |
| 7 | 01643-51232 | WASHER,SPRING | 31303-@ | |
| 8 | 06000-22211 | BEARING | 31303-@ | |
| 9 | 04065-01030 | RING,SNAP | 31303-@ | |
| 10 | 175-15-43212 | GEAR,DRIVE | 31303-@ | |
| 11 | 175-15-43232 | GEAR,DRIVEN | 31303-@ | |
| 175-21-00080 | PINION & GEAR ASS'Y | 31303-@ | ||
| 12 | \6\ | SHAFT,BEVEL | 31303-@ | |
| 12 | \6\ | GEAR,BEVEL | 31303-@ | |
| 13 | 178-15-19350 | BEARING | 31303-@ | |
| 14 | 178-15-13140 | COVER,BEARING | 31303-@ | |
| 15 | 178-15-13260 | CAGE,BEARING | 31303-@ | |
| 16 | 01010-81250 | BOLT | 31303-@ | |
| 17 | 01643-51232 | WASHER,SPRING | 31303-@ | |
| 18 | 178-15-13360 | SPACER | 31303-@ | |
| 19 | 178-15-13370 | SPACER | 31303-@ | |
| 20 | 178-15-19330 | BEARING,ROLLER | 31303-@ | |
| 21 | 178-15-13620 | HOLDER,BEARING | 31303-@ | |
| 22 | 04081-07012 | LOCK,HOLDER | 31303-@ | |
| 23 | 01010-61435 | BOLT | 31303-@ | |
| 24 | 175-15-05011 | SHIM KIT (K2) | 31303-@ | |
| 24 | \6\ | SHIM, 0.2MM | 31303-@ | |
| 24 | \6\ | SHIM, 0.2MM | 31303-@ | |
| 24 | \6\ | SHIM, 0.3MM | 31303-@ | |
| 24 | \6\ | SHIM, 0.3MM | 31303-@ | |
| 24 | \6\ | SHIM, 1.0MM | 31303-@ | |
| 24 | \6\ | SHIM, 1.0MM | 31303-@ | |
| 25 | 175-15-05051 | SHIM KIT (K2) | 31303-@ | |
| 25 | \6\ | SHIM, 0.2MM | 31303-@ | |
| 25 | \6\ | SHIM, 0.2MM | 31303-@ | |
| 25 | \6\ | SHIM, 0.3MM | 31303-@ | |
| 25 | \6\ | SHIM, 0.3MM | 31303-@ | |
| 26 | 178-15-00121 | SHIM ASS'Y (K2) | 31303-@ | |
| 26 | \6\ | SHIM, 0.2MM | 31303-@ | |
| 26 | \6\ | SHIM, 0.3MM | 31303-@ | |
| 178-15-00030 | HOUSING ASS'Y | 31303-@ | ||
| 27 | \6\ | HOUSING | 31303-@ | |
| 28 | 234-15-12780 | SCREW | 31303-@ | |
| 29 | 175-15-41192 | BOLT | 31303-@ | |
| 30 | 175-15-41292 | BOLT | 31303-@ | |
| 31 | 145-14-11571 | WASHER | 31303-@ |