| Узел | Модель |
| (H22) - SWING, IN LINE, CROSSOVER RELIEF VALVE | (30EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (054) - SWING, INLINE, CROSSOVER RELIEF VALVE | (30YC) - DROTT CRAWLER EXCAVATOR (S/N 1 TO 599) (1/65-12/79) |
| (H22) - SWING, IN LINE, CROSSOVER RELIEF VALVE | (30YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (054) - SWING, INLINE, CROSSOVER RELIEF VALVE | (30YM) - DROTT CRAWLER EXCAVATOR (S/N 1 TO 599) (1/65-12/79) |
| (H22) - SWING, IN LINE, CROSSOVER RELIEF VALVE | (35EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (H22) - SWING, IN LINE, CROSSOVER RELIEF VALVE | (35YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |