| Узел | Модель |
| (139A) - SWING REDUCER AND BRAKE HOUSING, (USED WITH SERIAL NUMBER 6203191 THRU 6203592) | (980) - CASE CRAWLER EXCAVATOR (1/73-12/80) |
| (139E) - SWING REDUCER AND BRAKE HOUSING, (USED WITH SERIAL NUMBER 6203593 AND AFTER) | (980) - CASE CRAWLER EXCAVATOR (1/73-12/80) |
| (186) - SWING REDUCER, (IMPROVED SWING REDUCER USED AS REPLACEMENT) | (880) - CASE CRAWLER EXCAVATOR (1/71-12/80) |
| (184) - SWING REDUCER AND BRAKE HOUSING, (USED AS REPLACEMENT) | (880B) - CASE CRAWLER EXCAVATOR (1/76-12/80) |
| (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) |
| (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) |
| (106) - SWING REDUCER, (USED ON UNITS WITH SERIAL NUMBER 479 THRU 803) | (40BLC) - DROTT SERIES-B FELLER/BUNCHER CRAWLER EXCAVATOR (1/71-12/84) |
| (108) - SWING REDUCER, (USED ON UNITS WITH SERIAL NUMBER 804 THRU 6275248) | (40BLC) - DROTT SERIES-B FELLER/BUNCHER 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) |
| (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) |
| (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) |