| Узел | Модель |
| (D17) - "E" MAIN BOOM AND DIPPERSTICKS, (WITH PINS AND LINKS) | (40EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (F08) - WRIST-O-TWIST, 52617 - WRIST-O-TWIST - INCLUDES HYDRAULICS | (40EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (F26) - HEEL BOOM AND PLATE, (FOR "Y" BOOM AND TREE LENGTH CLAM) | (40EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (F27) - HEEL PLATE AND HEEL RACK, (HEAVI-LIFT LOGGER ATTACHMENTS | (40EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (F29) - HEAVI-LIFT LOGGER ATTACHMENT GROUP, (USED ON "Y" BOOMS) | (40EC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (D15) - "Y" BOOM AND "Y" TOOL BOOMS, (WITH PINS AND LINKS) | (40YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (D16) - "Y" TOOL BOOM EXTENSION, (WITH PINS AND LINKS) | (40YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (F08) - WRIST-O-TWIST, 52617 - WRIST-O-TWIST - INCLUDES HYDRAULICS | (40YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (F26) - HEEL BOOM AND PLATE, (FOR "Y" BOOM AND TREE LENGTH CLAM) | (40YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (F27) - HEEL PLATE AND HEEL RACK, (HEAVI-LIFT LOGGER ATTACHMENTS | (40YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |
| (F29) - HEAVI-LIFT LOGGER ATTACHMENT GROUP, (USED ON "Y" BOOMS) | (40YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) |