| Узел | Модель |
| (H19) - INLINE PORT RELIEF VALVE (FOR HOIST CIRCUIT) | (30EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (H19) - INLINE PORT RELIEF VALVE (FOR HOIST CIRCUIT) | (30YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (H19) - INLINE PORT RELIEF VALVE (FOR HOIST CIRCUIT) | (35EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (H19) - INLINE PORT RELIEF VALVE (FOR HOIST CIRCUIT) | (35YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (H15) - INLET SECTION PART NUMBER 205788, (USED ON UNITS WITH SERIAL | (40EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (H23) - WORKING MID SECTION PART NUMBER 205790M1, (USED ON UNITS | (40EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (H24) - MID SECTION PART NUMBER 207115M1, (USED ON UNITS WITH SERIAL | (40EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (H26) - INLINE PORT RELIEF VALVE, (FOR HOIST AND CROWD CYLINDERS), | (40EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (H15) - INLET SECTION PART NUMBER 205788, (USED ON UNITS WITH SERIAL | (40YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (H23) - WORKING MID SECTION PART NUMBER 205790M1, (USED ON UNITS | (40YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (H24) - MID SECTION PART NUMBER 207115M1, (USED ON UNITS WITH SERIAL | (40YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (H26) - INLINE PORT RELIEF VALVE, (FOR HOIST AND CROWD CYLINDERS), | (40YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |