Detroit DD13 6 Cylinder 12.8 L Diesel 450 hp Engine, Requires Diesel Exhaust Fluid, Digital Mirrors, Engine Brake, Eaton Fuller FO-16E310C-LAS Transmission, 12350 lb Front Axle, 40000 lb Rears, Meritor RT-40-145A Drive Axles, 3.73:1 Axle Ratio, 52350 lb GVWR, Air Ride Cab, Aluminum Outer Wheels, 295/75R22.5, Airliner Air Ride Suspension, 194 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks

Detroit DD13 6 Cylinder Diesel 410 hp Engine, 2013 US EPA Label, Requires Diesel Exhaust Fluid, Exhaust Brake, Eaton Fuller FRM-15210B 10-Speed Manual Transmission, 12000 lb Front Axle, 23000 lb Rears, Meritor RS-23-160 Drive Axles, 2.50:1 Axle Ratio, 33000.0 lb GVWR, Air Ride Cab, 295/75R22.5, 169 in Wheelbase