| Узел | Модель |
| (B07) - FINAL DRIVE TRANSMISSION, (RATIO 68.08 : 1), (USED ON DIRT MACHINES) | (30EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (B10) - FINAL DRIVE TRANSMISSION, (RATIO 68.08 : 1), (USED ON LOGGER MACHINES) | (30EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (B07) - FINAL DRIVE TRANSMISSION, (RATIO 68.08 : 1), (USED ON DIRT MACHINES) | (30YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (B10) - FINAL DRIVE TRANSMISSION, (RATIO 68.08 : 1), (USED ON LOGGER MACHINES) | (30YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/65-12/79) |
| (B07) - FINAL DRIVE TRANSMISSION, (RATIO 68.08 : 1), (USED ON DIRT MACHINES) | (35EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (B10) - FINAL DRIVE TRANSMISSION, (RATIO 68.08 : 1), (USED ON LOGGER MACHINES) | (35EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (B07) - FINAL DRIVE TRANSMISSION, (RATIO 68.08 : 1), (USED ON DIRT MACHINES) | (35YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (B10) - FINAL DRIVE TRANSMISSION, (RATIO 68.08 : 1), (USED ON LOGGER MACHINES) | (35YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/77) |
| (B14) - FINAL DRIVE TRANSMISSION, (USED ON UNITS WITH SERIAL NUMBER | (40EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (B14) - FINAL DRIVE TRANSMISSION, (USED ON UNITS WITH SERIAL NUMBER | (40YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (B08) - FINAL DRIVE TRANSMISSON, (RATIO 68.08:1) | (50) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/79) |