| Узел | Модель |
| (159) - SWING BRAKE HYDRAULICS | (120) - DROTT CRAWLER EXCAVATOR (1/75-12/78) |
| (187) - PILOT PRESSURE CIRCUIT, RESERVOIR TO PUMP TO VALVES | (120) - DROTT CRAWLER EXCAVATOR (1/75-12/78) |
| (189) - PILOT PRESSURE CIRCUIT, RESERVOIR TO PUMP TO VALVES, INCLUDES AUXILIARY PUMP HYDRAULICS | (120) - DROTT CRAWLER EXCAVATOR (1/75-12/78) |
| (197) - PILOT PRESSURE CIRCUIT, BULKHEAD TO FRONT MAIN CONTROL VALVE | (120) - DROTT CRAWLER EXCAVATOR (1/75-12/78) |
| (201) - PILOT PRESSURE CIRCUIT, BULKHEAD TO REAR MAIN CONTROL VALVE | (120) - DROTT CRAWLER EXCAVATOR (1/75-12/78) |
| (205) - DRAIN CIRCUIT, CLUTCH, HAND AND FOOT CONTROL, USED ON UNITS WITH SERIAL NO. 65521 THRU 6287228) | (120) - DROTT CRAWLER EXCAVATOR (1/75-12/78) |
| (207) - DRAIN CIRCUIT, CLUTCH, HAND AND FOOT CONTROL, USED ON UNITS WITH SERIAL NO. 6287229 AND AFTER | (120) - DROTT CRAWLER EXCAVATOR (1/75-12/78) |
| (169) - TRACK DRIVE BRAKE HYDRAULICS, USED ON UNITS WITH SERIAL NO. 65521 THRU 6287228 | (120) - DROTT CRAWLER EXCAVATOR (1/75-12/78) |
| (173) - TRACK DRIVE BRAKE HYDRAULICS, USED ON UNITS WITH SERIAL NO. 6287229 AND AFTER | (120) - DROTT CRAWLER EXCAVATOR (1/75-12/78) |