| 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 | | |
| (103-15-00612) | TRANSMISSION ASS'Y | | 78604-80198 |
| | THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.F2320-51A0 TO F2320-63A0. | | |
| (103-15-00910) | TRANSMISSION ASS'Y | | 78604- |
| | THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.F2320-51A0 TO 56A0, 57A1, 58A0, 59A0, 60A1 AND 61A0, 62A1, 63A0. | | |
| (103-15-41010) | TRANSMISSION ASS'Y | | 80199- |
| | THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.F2320-51A0 TO 59A0, 60A4, 61A0, AND 62A4, 63A0. | | |
| 103-15-00641 | HOUSING ASS'Y,FORWARD AND 2ND | | 78604- |
| 1 | \6\ | HOUSING | | 78604- |
| 2 | 07043-70108 | PLUG | | 78604- |
| 3 | 145-14-11320 | PLUG | | 78604- |
| 4 | 195-15-15261 | SPRING | | 78604- |
| 5 | 287-15-15360 | PISTON | | 78604- |
| 6 | 362-15-12740 | PISTON,FORWARD | | 78604- |
| 7 | 22W-75-15440 | RING,SEAL (K1) | | 78604- |
| 8 | 362-15-19220 | RING,SEAL (K1) | | 78604- |
| 9 | 362-15-12750 | PISTON,2ND | | 78604- |
| 10 | 232-15-19270 | RING,SEAL (K1) | | 78604- |
| 11 | 362-15-19220 | RING,SEAL (K1) | | 78604- |
| 12 | 362-15-12720 | PLATE | | 78604- |
| 13 | 113-15-21290 | PIN,DOWEL | | 78604- |
| 14 | 103-15-32910 | SPRING | | 78604- |
| 15 | 103-15-32810 | GUIDE | | 78604- |
| 16 | 362-15-12820 | SPACER | | 78604- |
| 17 | 103-15-31170 | PLATE | | 78604- |
| 18 | 125-15-11230 | PLUG | | 78604- |
