| Item | Part No. | Part Name | Qty | Serial No. |
| 257-80-47100 | PUMP ASS'Y,HST | 2001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.6101 AND 6102. | ||||
| 1 | 257-81-41110 | HOUSING | 2001- | |
| 2 | 257-81-41120 | SEAL | 2001- | |
| 3 | 257-81-41130 | PLATE | 2001- | |
| 4 | 257-81-41140 | BLOCK | 2001- | |
| 5 | 257-81-41150 | GASKET | 2001- | |
| 6 | 257-81-41160 | BEARING,NEEDLE | 2001- | |
| 7 | 257-81-41170 | PIN | 2001- | |
| 8 | 257-81-41180 | PIN | 2001- | |
| 9 | 257-81-41190 | SCREW | 2001- | |
| 10 | 257-81-41210 | SCREW | 2001- | |
| 11 | 258-81-21220 | PLUG | 2001- | |
| 12 | 257-81-41230 | PLUG | 2001- | |
| 13 | 257-81-41240 | PLUG | 2001- | |
| 14 | 257-81-41250 | PLATE | 2001- | |
| 15 | 257-81-41260 | SCREW | 2001- | |
| 16 | 257-81-41270 | BRACKET | 2001- | |
| 17 | 257-81-41280 | SHAFT | 2001- | |
| 18 | 257-81-41290 | BEARING,BALL | 2001- | |
| 19 | 257-81-41310 | RING | 2001- | |
| 20 | 257-81-41320 | O-RING | 2001- | |
| 21 | 257-81-41330 | CARRIER | 2001- | |
| 22 | 257-81-41340 | RING | 2001- | |
| 23 | 257-81-41350 | PLATE | 2001- | |
| 24 | 257-81-41360 | PIN | 2001- | |
| 25 | 257-81-41370 | GEROTOR | 2001- | |
| 26 | 257-81-41380 | SPACER | 2001- | |
| 27 | 257-81-41390 | BALL | 2001- | |
| 28 | 257-81-41410 | O-RING | 2001- | |
| 29 | 257-81-41420 | O-RING | 2001- | |
| 30 | 257-81-41430 | O-RING | 2001- | |
| 31 | 257-81-41440 | PLUG | 2001- | |
| 32 | 258-81-21130 | O-RING | 2001- | |
| 33 | 257-81-41460 | SHIM | 2001- | |
| 34 | 257-81-41470 | SPRING | 2001- | |
| 35 | 257-81-41480 | POPPET | 2001- | |
| 36 | 257-81-41490 | CAP | 2001- | |
| 37 | 257-81-41510 | PLUG | 2001- | |
| 38 | 257-81-41520 | CONNECTOR | 2001- | |
| 39 | 257-81-41530 | CONNECTOR | 2001- | |
| 40 | 258-81-21590 | PLUG | 2001- | |
| 41 | 257-81-41550 | PLUG | 2001- | |
| 42 | 257-81-41560 | O-RING | 2001- | |
| 43 | 257-81-41570 | O-RING | 2001- | |
| 44 | 258-81-21750 | SPRING | 2001- | |
| 45 | 257-81-41590 | RING | 2001- | |
| 46 | 257-81-41610 | VALVE | 2001- | |
| 47 | 257-81-41620 | PLATE | 2001- | |
| 48 | 257-81-41630 | BEARING | 2001- | |
| 49 | 257-81-41640 | SHIM | 2001- | |
| 50 | 257-81-41650 | SPACER | 2001- | |
| 51 | 257-81-41660 | O-RING | 2001- | |
| 52 | 257-81-41670 | COVER | 2001- | |
| 53 | 257-81-41690 | SCREW | 2001- | |
| 54 | 257-81-41710 | KEY | 2001- | |
| 55 | 257-81-41720 | COVER | 2001- | |
| 56 | 257-81-41730 | SCREW | 2001- | |
| 57 | 257-81-41740 | WASHER | 2001- | |
| 58 | 257-81-41750 | ELBOW | 2001- | |
| 59 | 257-81-41760 | HOSE | 2001- | |
| 60 | (257-81-41800) | MDC ASS'Y | 2001- |