Volvo D13M-405 6 Cylinder 12.8 L Ultra Low Sulfur Diesel 405 hp Engine, US EPA Label, Requires Diesel Exhaust Fluid, Volvo AT2612F Automated Transmission, 12000 lb Front Axle, 20000 lb Rears, 32000 lb GVWR, 275/80R22.5 Front Tires, 295/75R22.5 Rear Tires, Air Ride Suspension, 154 in Wheelbase

Detroit DD13 6 Cylinder 12.8 L Diesel 525 hp Engine, 2017 US EPA Label, Requires Diesel Exhaust Fluid, Engine Brake, Automated Transmission, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, Air Ride Cab, 275/80R22.5 Front Tires, 295/75R22.5 Rear Tires, Airliner Air Ride Suspension, 178 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks