| Item | Part No. | Part Name | Qty | Serial No. |
| (428-15-21001) | TRANSMISSION ASS'Y | 51001- | ||
| (428-15-21000) | TRANSMISSION ASS'Y | 50001-51000 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.F4320-51A0 TO F4320-68A0. | ||||
| 1 | 428-15-11130 | HOUSING | 50001- | |
| 2 | 155-15-12811 | RING,SEAL (K3) | 50001- | |
| 3 | 428-15-12770 | PISTON | 50001- | |
| 4 | 582-15-19240 | RING,SEAL (K3) | 50001- | |
| 5 | 04020-01434 | PIN | 50001- | |
| 6 | 04020-01434 | PIN | 50001- | |
| 7 | 135-15-22820 | PIN | 50001- | |
| 8 | 234-15-15230 | SPRING¤ (L= 52.0) | 50001- | |
| 9 | 198-15-22810 | DISC | 50001- | |
| 10 | 428-15-12790 | PLATE | 50001- | |
| 11 | 428-15-12710 | DISC | 50001- | |
| 12 | 428-15-12810 | DISC | 50001- | |
| 13 | 175-15-42880 | SPRING | 50001- | |
| 14 | 426-15-12840 | WASHER | 50001- | |
| 428-15-00190 | HOUSING ASS'Y | 50001- | ||
| 15 | \6\ | HOUSING | 50001- | |
| 16 | 145-14-11320 | PLUG | 50001- | |
| 17 | 428-15-12760 | PISTON | 50001- | |
| 18 | 195-15-39220 | RING (K3) | 50001- | |
| 19 | 582-15-19240 | RING (K3) | 50001- | |
| 428-15-00180 | HOUSING ASS'Y | 50001- | ||
| 20 | \6\ | HOUSING | 50001- | |
| 21 | 234-15-12790 | SCREW | 50001- | |
| 22 | 234-15-12790 | SCREW | 50001- | |
| 23 | 426-15-12830 | COLLAR | 50001- | |
| 24 | 01252-40630 | BOLT | 50001- | |
| 25 | 06000-06926 | BEARING | 50001- | |
| 26 | 04071-00180 | RING | 50001- |