| Узел | Модель |
| (8-020) - HYDRAULIC CIRCUIT RETURN LINES, TO OIL COOLER AND FAN MOTOR | (170C) - CASE CRAWLER EXCAVATOR (1/90-12/91) |
| (8-038) - HYDRAULIC CONTROL CIRCUIT, FOR SOLENOID CONTROL VALVES | (170C) - CASE CRAWLER EXCAVATOR (1/90-12/91) |
| (8-040) - HYDRAULIC PUMP LINES, P.I.N. 74845 THROUGH 74963, 21801 THROUGH 21806 | (125B) - CASE CRAWLER EXCAVATOR (NORTH AMERICA) (1/88-12/89) |
| (8-044) - HYDRAULIC PUMP LINES, P.I.N. 21807 THROUGH 21868,, 26801 AND AFTER | (125B) - CASE CRAWLER EXCAVATOR (NORTH AMERICA) (1/88-12/89) |
| (8-080) - HYDRAULIC CIRCUIT FOR PILOT CONTROLS, P.I.N. 74845 THRU 74963, 21801 THRU 21868, 26801 AND AFTER | (125B) - CASE CRAWLER EXCAVATOR (NORTH AMERICA) (1/88-12/89) |