Machine description: EX DEPT. OF THE ARMY UNIT WITH 73 HOURS, 40 TON CAPACITY 2 SECTION 34.4' TO 60.4' BOOM, CUMMINS 6CTA8.3 250 HP (GROSS) ENGINE S/N 44483128, CLARK R28661 6 SPEED TRANSMISSION, ROCKWELL PSC 1794 AXLES,... more info about the 1991 Grove RT875CC.