| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | HYDRAULIC PUMP ASSEMBLY, GROUND DRIVEN STEERING (SEE FIG. H4420-01A0) | A78001 -- | ||
| 2 | 07000-12105 | O-RING | A78001 -- | |
| 3 | 01643-31232 | WASHER | A78001 -- | |
| 4 | 01010-81235 | BOLT | A78001 -- | |
| 5 | 07002-12034 | O-RING | A78001 -- | |
| 6 | 07040-12012 | PLUG | A78001 -- | |
| 7 | 07000-13040 | O-RING | A78001 -- | |
| 8 | 07000-12012 | O-RING | A78001 -- | |
| 9 | VALVE ASSEMBLY, DIVERTER (SEE FIG. H4420-02A0) | A78001 -- | ||
| 10 | 01643-31032 | WASHER | A78001 -- | |
| 11 | 01010-81085 | BOLT | A78001 -- | |
| 12 | 01011-81045 | BOLT | A78001 -- | |
| 13 | 07000-13032 | O-RING | A78001 -- | |
| 14 | 07371-31049 | FLANGE, SPLIT | A78001 -- | |
| 15 | 01643-51032 | WASHER | A78001 -- | |
| 16 | 07372-21035 | BOLT | A78001 -- | |
| 17 | 07298-01010 | HOSE | A78001 -- | |
| 18 | 07372-21035 | BOLT | A78001 -- | |
| 19 | 01643-51032 | WASHER | A78001 -- | |
| 20 | 07371-31049 | FLANGE, SPLIT | A78001 -- | |
| 21 | 07000-13032 | O-RING | A78001 -- | |
| 22 | 418-875-2140 | BLOCK | A78001 -- | |
| 23 | 01435-01095 | BOLT | A78001 -- | |
| 24 | 418-875-2150 | BRACKET | A78001 -- | |
| 25 | 415-64-13130 | CUSHION | A78001 -- | |
| 26 | 415-64-13120 | WASHER | A78001 -- | |
| 27 | 417-54-13470 | SPACER | A78001 -- | |
| 28 | 419-43-17930 | CUSHION | A78001 -- | |
| 29 | 415-64-13120 | WASHER | A78001 -- | |
| 30 | 01435-01045 | BOLT | A78001 -- | |
| 31 | 07000-13032 | O-RING | A78001 -- | |
| 32 | 07371-31049 | FLANGE, SPLIT | A78001 -- | |
| 33 | 01643-51032 | WASHER | A78001 -- | |
| 34 | 07372-21035 | BOLT | A78001 -- | |
| 35 | 418-875-2220 | HOSE | A78001 -- | |
| 36 | 418-875-2260 | BRACKET | A78001 -- | |
| 37 | 07000-13032 | O-RING | A78001 -- | |
| 38 | 07371-31049 | FLANGE, SPLIT | A78001 -- | |
| 39 | 01643-51032 | WASHER | A78001 -- | |
| 40 | 07372-21035 | BOLT | A78001 -- | |
| 41 | 418-875-2230 | HOSE | A78001 -- |
