| Item | Part No. | Part Name | Qty | Serial No. |
| | SERIAL NO. 80199 INDICATES D21A-7. THE OTHER MACHINES ARE AS FOLLOWS. | | |
| | D20A-7 = 80089 | | |
| | D20A-7B = 80060 | | |
| | D21A-7B = 80143 | | |
| (104-15-32032) | TRANSMISSION ASS'Y | | 78604-80198 |
| | THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.F2320-51A2 TO F2320-63A2. | | |
| (104-15-32090) | TRANSMISSION ASS'Y | | 78604- |
| | THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.F2320-51A0 TO 59A0¤ 60A3¤ AND 61A2 TO 63A2. | | |
| (104-15-41010) | TRANSMISSION ASS'Y | | 80199- |
| | THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.F2320-51A2 TO F2320-63A2. | | |
| 103-15-00511 | VALVE ASS'Y | | 78604- |
| 103-15-00531 | SEAT ASS'Y | | 78604- |
| 1 | \6\ | SEAT | | 78604- |
| 2 | 04260-00635 | BALL | | 78604- |
| 3 | 104-15-25110 | BODY | | 78604- |
| 4 | 104-15-25140 | GASKET (K2) | | 78604- |
| 5 | 01010-80860 | BOLT | | 78604- |
| 6 | 01602-20825 | WASHER | | 78604- |
| 7 | 01010-81025 | BOLT | | 78604- |
| 8 | 01602-21030 | WASHER | | 78604- |
| 9 | 01010-80820 | BOLT | | 78604- |
| 10 | 01602-20825 | WASHER | | 78604- |
| 11 | 103-15-25350 | PLATE | | 78604- |
| 12 | 01010-80820 | BOLT | | 78604- |
| 13 | 01602-20825 | WASHER | | 78604- |
| 14 | 104-15-25322 | SPOOL | | 78604- |
| 15 | 104-15-25220 | VALVE | | 78604- |
| 16 | 104-15-25280 | SPRING | | 78604- |
| 17 | 104-15-25290 | SPRING¤ (L= 62.0) | | 78604- |
| 18 | 104-15-25210 | SPOOL | | 78604- |
| 19 | 104-15-25480 | VALVE | | 78604- |
| 20 | 104-15-25490 | VALVE | | 78604- |
| 21 | 125-15-15290 | SPRING | | 78604- |
| 22 | 113-15-25260 | SHIM¤ 0.5MM (K2) | | 78604- |
| 113-15-25270 | SHIM¤ 0.2MM (K2) | | 78604- |
| 22A | 103-15-35270 | SHIM¤ 0.5MM,SPRING (K2) | | 80810- |
| 23 | 104-15-25260 | SPACER | | 78604- |
| 24 | 104-15-25340 | STOPPER | | 78604- |
| 25 | 07000-72020 | O-RING (K2) | | 78604- |
| 26 | 104-15-25330 | STOPPER | | 78604- |
| 27 | 07000-73025 | O-RING (K2) | | 78604- |
| 28 | 07000-72014 | O-RING (K2) | | 78604- |
| 29 | 07000-72018 | O-RING (K2) | | 78604- |
| 30 | 113-15-21770 | SLEEVE | | 78604- |
| 31 | 07000-72014 | O-RING (K2) | | 78604- |
| 32 | 01010-80870 | BOLT | | 78604- |
| 33 | 01602-20825 | WASHER | | 78604- |
