| Узел | Модель |
| (058) - SWING REDUCER, (USED AS ORIGINAL EQUIPMENT) | (35EC) - DROTT SERIES-B CRAWLER EXCAVATOR (1/69-12/77) |
| (061) - SWING REDUCER AND BRAKE HOUSING, (USED AS INTERMEDIATE REPLACEMENT REDUCER) | (35EC) - DROTT SERIES-B CRAWLER EXCAVATOR (1/69-12/77) |
| (063) - SWING REDUCER AND BRAKE HOUSING, (IMPROVED SWING REDUCER USED AS A REPLACEMENT | (35EC) - DROTT SERIES-B CRAWLER EXCAVATOR (1/69-12/77) |
| (058) - SWING REDUCER, (USED AS ORIGINAL EQUIPMENT) | (35YC) - DROTT SERIES-B CRAWLER EXCAVATOR (1/69-12/77) |
| (061) - SWING REDUCER AND BRAKE HOUSING, (USED AS INTERMEDIATE REPLACEMENT REDUCER) | (35YC) - DROTT SERIES-B CRAWLER EXCAVATOR (1/69-12/77) |
| (063) - SWING REDUCER AND BRAKE HOUSING, (IMPROVED SWING REDUCER USED AS A REPLACEMENT | (35YC) - DROTT SERIES-B CRAWLER EXCAVATOR (1/69-12/77) |
| (D13) - SWING REDUCER | (40EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (066) - SWING REDUCER, (USED AS ORIGINAL EQUIPMENT) | (40EC) - DROTT SERIES-B CRAWLER EXCAVATOR (1/71-12/84) |
| (069) - SWING REDUCER AND BRAKE HOUSING, (USED AS INTERMEDIATE REPLACEMENT REDUCER) | (40EC) - DROTT SERIES-B CRAWLER EXCAVATOR (1/71-12/84) |
| (071) - SWING REDUCER AND BRAKE HOUSING, (IMPROVED SWING REDUCER USED AS REPLACEMENT) | (40EC) - DROTT SERIES-B CRAWLER EXCAVATOR (1/71-12/84) |
| (D13) - SWING REDUCER | (40YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (066) - SWING REDUCER, (USED AS ORIGINAL EQUIPMENT) | (40YC) - DROTT SERIES-B CRAWLER EXCAVATOR (1/71-12/84) |
| (069) - SWING REDUCER AND BRAKE HOUSING, (USED AS INTERMEDIATE REPLACEMENT REDUCER) | (40YC) - DROTT SERIES-B CRAWLER EXCAVATOR (1/71-12/84) |
| (071) - SWING REDUCER AND BRAKE HOUSING, (IMPROVED SWING REDUCER USED AS REPLACEMENT) | (40YC) - DROTT SERIES-B CRAWLER EXCAVATOR (1/71-12/84) |
| (D13) - SWING REDUCER, RATIO 24.20:1 | (50) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/79) |
| (062) - SWING REDUCER, (USED ON UNITS WITH SERIAL NUMBER 550 THRU 645) | (50) - DROTT SERIES-B CRAWLER EXCAVATOR (S/N 550 & AFTER) (1/72-12/88) |
| (064) - SWING REDUCER AND BRAKE HOUSING, (USED ON UNITS WITH SERIAL NUMBER 646 THRU 949) | (50) - DROTT SERIES-B CRAWLER EXCAVATOR (S/N 550 & AFTER) (1/72-12/88) |
| (066) - SWING REDUCER AND BRAKE HOUSING, (USED ON UNITS WITH SERIAL NUMBER 950 AND AFTER) | (50) - DROTT SERIES-B CRAWLER EXCAVATOR (S/N 550 & AFTER) (1/72-12/88) |