| Item | Part No. | Part Name | Qty | Serial No. |
| PUMP ASSEMBLY, STEERING AND SWTICH(SEE FIG. Y1610-11A0) | A31001-UP- | |||
| 705-14-33540 | PUMP ASSEMBLY, STEERING | A31001-UP- | ||
| 1 | 705-17-03520 | BRACKET | A31001-UP- | |
| 705-17-03352 | BUSHING, PLANE | A31001-UP- | ||
| 2 | 705-18-33010 | CASE, GEAR | A31001-UP- | |
| 3 | 705-17-03121 | COVER | A31001-UP- | |
| 705-17-03352 | BUSHING, PLANE | A31001-UP- | ||
| 4 | 705-18-33450 | GEAR, DRIVE | A31001-UP- | |
| 5 | 705-18-33510 | GEAR, DRIVEN | A31001-UP- | |
| 6 | 705-17-03610 | PLATE, SIDE | A31001-UP- | |
| 7 | 705-17-03473 | SEAL | A31001-UP- | |
| 8 | 705-17-03443 | RING, BACK-UP | A31001-UP- | |
| 9 | 705-17-03381 | O-RING | A31001-UP- | |
| 10 | 04020-01228 | PIN, DOWEL | A31001-UP- | |
| 11 | 705-17-03730 | BOLT | A31001-UP- | |
| 12 | 01643-51645 | WASHER | A31001-UP- | |
| 13 | 705-17-03330 | COUPLING | A31001-UP- | |
| 14 | 705-17-03381 | O-RING | A31001-UP- | |
| 15 | 01252-61450 | BOLT | A31001-UP- | |
| 16 | 705-17-04980 | WASHER | A31001-UP- | |
| 17 | 705-17-03880 | PLATE | A31001-UP- | |
| 18 | 07000-E2055 | O-RING | A31001-UP- | |
| 19 | 01010-81230 | BOLT | A31001-UP- | |
| 20 | 01643-51232 | WASHER | A31001-UP- |