1. HEAVY EQUIPMENT 2. CRAWLER EXCAVATORS 3. DROTT 4. (35) - DROTT SERIES-D CRAWLER EXCAVATOR (S/N 6266131 & AFTER) (7/77-12/81) 5. (48) - TRACKS & TRACK SUSPENSION Select section (48) - TRACKS & TRACK SUSPENSION Case: (006) - IDLER WHEEL AND TRACK ADJUSTER (008) - TRACK ADJUSTMENT CYLINDER (010) - TRACK ROLLER, (LOWER), CARRIER ROLLER, (UPPER) (010[1]) - CARRIER ROLLER (UPPER) (012) - TRACK SHOES AND LINKS, (24" WIDE TRACK ASSEMBLY), TRACK SHOES AND LINKS (30" WIDE TRACK ASSEMBLY) sale parts diagram catalog online construction equipment excavator tractor Truck sale: