| Item | Part No. | Part Name | Qty | Serial No. |
| 23B-25-00010 | TANDEM DRIVE ASS'Y,L.H. | 50001- | ||
| 23B-25-00020 | TANDEM DRIVE ASS'Y,R.H. | 50001- | ||
| 1 | 23B-25-21310 | CASE | 50001- | |
| 2 | 235-25-11560 | STEP | 50001- | |
| 3 | 01010-51225 | BOLT | 50001- | |
| 4 | 01602-21236 | WASHER,SPRING | 50001- | |
| 5 | 07044-12412 | PLUG | 50001- | |
| 6 | 07002-12434 | O-RING (K2) | 50001- | |
| 7 | 23A-23-11181 | COVER | 50001- | |
| 8 | 07040-12414 | PLUG | 50001- | |
| 9 | 07002-12434 | O-RING (K2) | 50001- | |
| 10 | 23A-23-11161 | COVER | 50001- | |
| 11 | 238-23-16131 | GASKET (K2) | 50001- | |
| 12 | 01010-51230 | BOLT | 50001- | |
| 13 | 01602-21236 | WASHER,SPRING | 50001- | |
| 14 | 23A-23-11120 | COVER | 50001- | |
| 15 | 238-23-16110 | GASKET (K2) | 50001- | |
| 16 | 01010-51240 | BOLT | 50001- | |
| 17 | 01602-21236 | WASHER,SPRING | 50001- | |
| 18 | 238-25-16760 | COVER | 50001- | |
| 19 | 07030-10252 | BREATHER | 50001- | |
| 20 | 238-23-11130 | COVER | 50001- | |
| 21 | 238-23-11120 | GASKET (K2) | 50001- | |
| 22 | 01010-51230 | BOLT | 50001- | |
| 23 | 01602-21236 | WASHER,SPRING | 50001- | |
| 24 | 23B-25-11120 | GAUGE | 50001- |