Cat C13 6 Cylinder 12.5 L Ultra Low Sulfur Diesel 525 hp Engine, 2004 US EPA Label, Eaton Fuller 10-Speed Manual Transmission, 12000 lb Front Axle, 40000 lb Rears, 52000.0 lb GVWR, Air Ride Cab, Aluminum Outer Wheels, 11R22.5, Air Trac Air Ride Suspension, 200 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks

Cummins M11-370E 6 Cylinder 10.8 L Diesel 370 hp Engine, US EPA Label, Engine Brake, Eaton Fuller 10-Speed Manual Transmission, Differential Lock, 12000 lb Front Axle, 34000 lb Rears, 46000 lb GVWR, Air Ride Cab, Aluminum Wheels, 11R22.5 Front Tires, 11R24.5 Rear Tires, Air Leaf Air Ride Suspension, 182 in Wheelbase, PTO, Wet Kit, Air Sliding 5th Wheel