CASE > HEAVY EQUIPMENT > CRAWLER EXCAVATORS > DROTT > (40YC) - DROTT SERIES-A CRAWLER EXCAVATOR (1/71-12/79) > (09) - BOOMS

(D15) - "Y" BOOM AND "Y" TOOL BOOMS, (WITH PINS AND LINKS) (D16) - "Y" TOOL BOOM EXTENSION, (WITH PINS AND LINKS)