2006 GMC, TOPKICK C7500, Heavy Duty Trucks - Dump Trucks, ISUZU , Automatic, 2006 GMC 7500 --- Single Axle, 7.8 Isuzu, Allison Automatic 6 Speed, 12,000 Front Axle, 21,000 Rear Axle, 152" Wheelbase, 12' 8" Bridge, Spring, Differential Lock, 10' Steel Dump Body, 24" Sides, Steel Wheels, Dual High Back Seats, High Level Interior, Cruise Control, AM/FM Cassette, P/S, ( 41,537 Miles ), Horse Power, Spring Suspension, All Steel Wheels, 152 Wheel Base, , Axle, Ratio, , VIN