| Item | Part No. | Part Name | Qty | Serial No. |
| (BW252279) | TRANSMISSION ASS'Y,(T/M SPEC. NO. 4644 026 080) | | 303028-303071 |
| | THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.2401 TO 2641. | | |
| (BW252367) | TRANSMISSION ASS'Y | | 303028-303071 |
| | THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.2401 TO 2621. | | |
| 10 | BW252393 | GASKET | | 303028-303071 |
| 20 | BW252394 | PLATE,VALVE | | 303028-303071 |
| 30 | BW252395 | GASKET | | 303028-303071 |
| 40 | BW252396 | PLATE,VALVE | | 303028-303071 |
| 100 | BW252397 | BOLT | | 303028-303071 |
| 104 | BW052610 | WASHER | | 303028-303071 |
| 110 | BW252398 | GASKET | | 303028-303071 |
| 120 | BW252399 | PLATE,VALVE | | 303028-303071 |
| 130 | BW252400 | GASKET | | 303028-303071 |
| 140 | BW252401 | BOLT | | 303028-303071 |
| 144 | BW052610 | WASHER | | 303028-303071 |
| 150 | BW152040 | BOLT | | 303028-303071 |
| 154 | BW052610 | WASHER | | 303028-303071 |
| 160 | BW252402 | BOLT | | 303028-303071 |
| 164 | BW052610 | WASHER | | 303028-303071 |
| 170 | BW052615 | PLUG | | 303028-303071 |
| 180 | BW252086 | O-RING | | 303028-303071 |
