1. HEAVY EQUIPMENT 2. CRAWLER EXCAVATORS 3. DROTT 4. (40) - DROTT SERIES-E CRAWLER EXCAVATOR (S/N 6271140 & AFTER) (7/81-12/82) 5. (48) - TRACKS & TRACK SUSPENSION Select section (48) - TRACKS & TRACK SUSPENSION Case: (050) - IDLER WHEEL AND TRACK ADJUSTER (052) - TRACK ADJUSTMENT CYLINDER (054) - SINGLE FLANGE TRACK ROLLER (056) - DOUBLE FLANGE TRACK ROLLER (058) - DOUBLE FLANGE TRACK ROLLER (060) - TRACK SHOES, LINKS AND PINS sale parts diagram catalog online construction equipment excavator tractor Truck sale: