Cummins ISX 15 L Ultra Low Sulfur Diesel 500 hp Engine, 2008 US EPA Label, 10424.1 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller RTLO-1891 8LL Manual Transmission, Double Differential Locks, 14600 lb Front Axle, 46000 lb Rears, Dana D46-170HP Drive Axles, 4.78:1 Axle Ratio, 78600 lb GVWR, Air Ride Cab, Aluminum Wheels, 12R24.5 Front Tires, 12R24.5 Rear Tires, Steerable Air Lift Pusher Axle, Steerable Air Lift Tag Axle, Double Frame, Air Assist Front Suspension, Neway Air Ride Suspension, 224 in Wheelbase, PTO, Air Sliding 5th Wheel, Auto Lube

Cummins ISX 6 Cylinder 15 L Ultra Low Sulfur Diesel 450 hp Engine, 2011 US EPA Label, 23090.2 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, 10-Speed Manual Transmission, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, Air Ride Cab, 11R22.5 Front Tires, 11R22.5 Rear Tires, Paccar Air Ride Suspension, 206 in Wheelbase, Air Sliding 5th Wheel, Headache Rack, Dual Fuel Tanks