C500, Heavy Duty Trucks - Winch / Oil Field Trucks, Caterpillar c15, 18 Spd, 2006 Kenworth C500 winch truck, C15 625 horsepower!, 18spd with auxillary transmission,double frame, neway air suspension, like new tires, full locking rears, tulsa hydraulic winch, roll tail, front mount pump, Heaviest of the heavy duty!!!, 625 Horse Power, Neway Suspension, All Aluminum Wheels, Wheel Base, 24.5, Tandem Axle, Ratio,