Detroit DD13 6 Cylinder 12.8 L Ultra Low Sulfur Diesel 410 hp Engine, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Allison Automatic Transmission, 12000 lb Front Axle, 23000 lb Rears, Meritor RS-23-160 Drive Axles, 4.30:1 Axle Ratio, 35000 lb GVWR, Air Ride Cab, 295/75R22.5, Air Ride Suspension, 164 in Wheelbase, Dual Fuel Tanks

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