4.53 Detroit Engine (new camshaft and bushings; All new center pins, Discs & Brake Master Cylinder; New Clutch & Pressure Plate; NP Transmission; Complete Rebuilt 19-ton Gearmatic Winch; WR5 Housings; 24.5x32 Tires (30% Front; 90-95% Rear). 20" Frame Extension for more pulling power!