| Item | Part No. | Part Name | Qty | Serial No. |
| | SERIAL NO. 80227 INDICATES D20P-7A. THE OTHER MACHINES ARE AS FOLLOWS. | | |
| | D20P-7B = 80028 | | |
| | D21P-7A = 80265 | | |
| | D21P-7B = 80175 | | |
| (104-15-32032) | TRANSMISSION ASS'Y | | 78604-80227 |
| | 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. | | |
| 1 | 104-15-32331 | CARRIER | | 81604- |
| 1 | 104-15-32330 | CARRIER | | 78604-81603 |
| 2 | 113-15-32560 | WASHER | | 78604- |
| 3 | 103-15-29420 | BEARING | | 78604- |
| 4 | 103-15-22510 | SHAFT | | 78604- |
| 5 | 113-15-29560 | PIN | | 78604- |
| 6 | 103-15-22420 | GEAR | | 78604- |
| 7 | 113-15-22930 | RING | | 78604- |
| 8 | 113-15-22380 | COVER | | 78604- |
| 9 | 104-15-32340 | HOUSING | | 78604- |
| 10 | 113-15-22780 | PISTON,1ST | | 78604- |
| 11 | 287-15-19210 | RING,SEAL (K1) | | 78604- |
| 12 | 415-15-12360 | RING,SEAL (K1) | | 80483- |
| 12 | \1\568-15-12860 | SEAL,RING (K1) | | 78604-80482 |
| 13 | 113-15-22390 | COLLAR | | 78604- |
| 14 | 01010-80820 | BOLT | | 78604- |
| 15 | 113-15-22370 | LOCK | | 78604- |
| 16 | 06000-06008 | BEARING | | 78604- |
| 17 | 04065-06825 | RING | | 78604- |
| 18 | 104-15-32610 | GEAR | | 78604- |
| 19 | 113-15-22640 | GEAR | | 78604- |
| 20 | 23A-15-12910 | SPRING | | 78604- |
| 21 | 104-15-32160 | SPACER | | 78604- |
