Castings
| Heavy Motions ® | Parker® Reference Number | Description |
| 101-H-20 | 314-8020-100 | C101/102, 2″ GEAR HOUSING, TA1688-20 |
| 102-H-25 | 314-8025-100 | C101/102, 2-1/2″ GEAR HOUSING, TA1688-25 (5.5″ wide) |
| G102-H-20 | 308-8020-901 | G101/G102, 2″ GEAR HOUSING |
| AKC102-4 | AIR SHIFT KIT, C101/C102, 4 bolt pattern | |
| AKG102 | AIR SHIFT KIT, G101/G102 | |
| HM308-4000-102 | 308-4000-102 | G101/G102 DETENT CAP |
| HM314-0100-003 | 314-0100-003 | C101/C102 DETENT CAP |
| HM314-0100-005 | 314-0100-005 | C101/G101 OPTIONAL BRACKET |
| HM314-4000-001 | 314-4000-001 | C101/C102 VALVE SPOOL |
| HM355-9001-067 | 355-9001-067 | C101/C102 RELIEF VALVE |
| HM355-9001-197 | 355-9001-197 | G101/G102 RELIEF VALVE |
| HM391-0282-009 | 391-0282-009 | C101/C102/G101/G102 BALL |
| HM391-0981-007 | 391-0981-007 | G101/G102 STOP BRACKET |
| HM391-0981-010 | 391-0981-010 | C101/C102 STOP BRACKET |
| HM391-1402-063 | 391-1402-063 | C101/C102/G101/G102 CAP SCREW |
| HM391-1832-323 | 391-1832-323 | C102 rear mounting support bracket kit |
| HM391-1881-072 | 391-1881-072 | G101/G102 SPOOL END CAP |
| HM391-1881-073 | 391-1881-073 | C101/C102 SPOOL END CAP |
| HM391-1985-014 | 391-1985-014 | G101/G102 QUAD RING SEAL O’RING |
| HM391-2085-009 | 391-2085-009 | C101/C102/G101/G102 SPIRAL PIN |
| HM391-2583-079 | 391-2583-079 | C101/C102/G101/G102 DETENT RETAINER |
| HM391-2681-487 | 391-2681-487 | G101 SNAP RING |
| HM391-2681-493 | 391-2681-493 | C101 SNAP RING |
| HM391-2688-003 | 391-2688-003 | C101/C102 RING |
| HM391-2881-103 | 391-2881-103 | C101/102, Quad O’Ring, for valve spool |
| HM391-2883-147 | 391-2883-147 | C101/C102 DETENT HOUSING WIPER SEAL |
| HM391-2883-152 | 391-2883-152 | G101/G102 DETENT HOUSING WIPER SEAL |
| HM391-3283-052 | 391-3283-052 | C101/102/G101/G102, OPTIONAL SLEEVE |
| HM391-3383-069 | 391-3383-069 | G102 SPACER |
| HM391-3581-383 | 391-3581-383 | C101/C102/G101/G102 DETENT SPRING |
| HM391-3782-126 | 391-3782-126 | C101 RETAINER RING |
| HM391-3788-002 | 391-3788-002 | C101/C102/G101/G102 DETENT CAP LOCK WASHER |
| HMDPC-10 | Heavy Motions Dump Pump Cable-10 Feet |