| Item | Part No. | Part Name | Qty | Serial No. |
| SERIAL NO. 80198 INDICATES D21A-7. THE OTHER MACHINES ARE AS FOLLOWS. | ||||
| D20A-7 = 80088 | ||||
| D20A-7B = 80059 | ||||
| D21A-7B = 80142 | ||||
| 1 | 104-54-39421 | CASE | 78604-80198 | |
| 2 | 01010-81025 | BOLT | 78604-@ | |
| 3 | 01023-10406 | SCREW | 78604-@ | |
| 4 | 01580-01008 | NUT | 78604-@ | |
| 5 | 01643-31032 | WASHER | 78604-@ | |
| 6 | 09461-00020 | LEVER ASS'Y | 78604-@ | |
| 7 | 103-54-34330 | HINGE | 78604-@ | |
| 8 | 20B-54-12210 | SPRING | 78604-@ | |
| 9 | 20N-60-11142 | GAUGE,OIL | 78604-@ | |
| 9 | 20N-60-11181 | GASKET | 78604-@ | |
| 10 | 07002-02434 | O-RING | 78604-@ | |
| 11 | 07044-12412 | PLUG | 78604-@ | |
| 12 | 10E-03-11130 | CAP | 78604-@ | |
| 13 | 20G-54-19950 | CAP | 78604-@ | |
| 14 | 205-60-71220 | LOCK ASS'Y | 78604-@ | |
| 15 | 103-54-34450 | PLATE | 78604-@ | |
| 16 | 103-54-34460 | PLATE | 78604-@ | |
| 17 | 01010-81240 | BOLT | 78604-@ | |
| 18 | 01602-21236 | WASHER | 78604-@ | |
| 19 | 01643-31232 | WASHER | 78604-@ | |
| 20 | 113-60-43321 | CARTRIDGE | 78604-@ | |
| 21 | 113-60-43310 | BASE | 78604-@ | |
| 22 | 113-60-43330 | VALVE | 78604-@ | |
| 23 | 07000-03032 | O-RING | 78604-@ | |
| 24 | 01010-81025 | BOLT | 78604-@ | |
| 25 | 01602-21030 | WASHER | 78604-@ | |
| 26 | 104-60-33110 | NIPPLE | 78604-@ | |
| 27 | 103-60-23170 | NUT | 78604-@ | |
| 28 | 07002-02034 | O-RING | 78604-@ | |
| 29 | 103-60-33143 | HOSE | 78604-@ | |
| 30 | 07281-00359 | CLAMP | 78604-@ | |
| 31 | 103-60-23151 | ELBOW | 78604-@ | |
| 32 | 07002-03334 | O-RING | 78604-@ | |
| 33 | 113-60-23120 | NUT | 78604-@ | |
| 34 | 104-54-34340 | COVER | 78604-@ | |
| 35 | 01252-30825 | BOLT | 78604-@ | |
| 36 | 01643-30823 | WASHER | 78604-@ | |
| 37 | 114-54-43260 | PLUG | 78604-@ |