| Item | Part No. | Part Name | Qty | Serial No. |
| 20Y-27-00560 | FINAL DRIVE ASS'Y | B31800-B32713 | ||
| 1 | (708-8F-00250) | MOTOR ASS'Y | B31800-@ | |
| 20Y-27-00110 | SEAL ASS'Y | B31800-@ | ||
| 2 | \6\ | SEAL | B31800-@ | |
| 3 | \6\ | O-RING | B31800-@ | |
| 4 | 20Y-27-42520 | HUB | B31800-@ | |
| 5 | 20Y-27-41260 | BEARING | B31800-B32713 | |
| 6 | 20Y-27-22280 | O-RING | B31800-@ | |
| 7 | 20Y-27-41190 | NUT | B31800-@ | |
| 8 | 20Y-27-41180 | LOCK | B31800-B32713 | |
| 9 | 01010-81020 | BOLT | B31800-@ | |
| 10 | 20Y-27-42540 | CARRIER | B31800-@ | |
| 11 | 20Y-27-22140 | GEAR | B31800-@ | |
| 12 | 20Y-27-22220 | BEARING | B31800-@ | |
| 13 | 20Y-27-21250 | WASHER | B31800-@ | |
| 14 | 20Y-27-21230 | PIN | B31800-@ | |
| 15 | 20Y-27-21290 | PIN | B31800-@ | |
| 16 | 20Y-27-13310 | WASHER | B31800-@ | |
| 17 | 20Y-27-22130 | GEAR | B31800-@ | |
| 18 | 20Y-27-22240 | WASHER | B31800-@ | |
| 19 | 20Y-27-22151 | GEAR | B31800-@ | |
| 20 | 20Y-27-22160 | CARRIER | B31800-@ | |
| 21 | 20Y-27-22120 | GEAR | B31800-@ | |
| 22 | 20Y-27-22210 | BEARING | B31800-@ | |
| 23 | 20Y-27-21240 | WASHER | B31800-@ | |
| 24 | 20Y-27-21220 | PIN | B31800-@ | |
| 25 | 20Y-27-21280 | PIN | B31800-@ | |
| 26 | 20Y-27-42510 | SHAFT | B31800-@ | |
| 27 | 20Y-27-21310 | WASHER | B31800-@ | |
| 28 | 20Y-27-42530 | COVER | B31800-@ | |
| 29 | 04260-01587 | BALL | B31800-@ | |
| 30 | 20Y-27-13281 | BOLT | B31800-@ | |
| 31 | 01643-31645 | WASHER | B31800-@ | |
| 32 | 07049-01012 | PLUG | B31800-@ | |
| 33 | 07044-12412 | PLUG | B31800-@ | |
| 34 | 07002-12434 | O-RING | B31800-@ | |
| 35 | 20Y-27-11582 | SPROCKET | B31800-@ | |
| 36 | 20Y-27-11561 | BOLT | B31800-@ | |
| 37 | 01010-81670 | BOLT | B31800-B32713 | |
| 38 | 01643-31645 | WASHER | B31800-@ | |
| 39 | 20Y-30-B2461 | COVER | B31800-B32713 | |
| \0\20Y-30-B2460 | COVER | B31800-B32199 | ||
| 40 | 01010-81230 | BOLT | B31800-@ | |
| 41 | 01643-31232 | WASHER | B31800-@ |