Detroit DD13 6 Cylinder 12.8 L Ultra Low Sulfur Diesel Engine, Detroit 12-Speed Automated Transmission, Differential Lock, 12000 lb Front Axle, 23000 lb Rears, Meritor Drive Axles, 3.21:1 Axle Ratio, 33000 lb GVWR, Aluminum Wheels, 11R22.5, Airliner Air Ride Suspension, 166 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks

Detroit DD13 6 Cylinder 12.8 L Diesel 500 hp Engine, 2013 US EPA Label, Requires Diesel Exhaust Fluid, Engine Brake, Eaton Fuller 10-Speed Manual Transmission, 12000 lb Front Axle, 20000 lb Rears, 275/80R22.5 Front Tires, 295/75R22.5 Rear Tires, Air Ride Suspension, 156 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks

Detroit DD15 6 Cylinder 14.8 L Diesel 505 hp Engine, 2018 US EPA Label, Requires Diesel Exhaust Fluid, Diagnostic Tool Reading 285030 mi, 20112 Engine hrs, Engine Brake, Detroit DT12 Automated Transmission, 12350 lb Front Axle, 40000 lb Rears, 52350 lb GVWR, Air Ride Cab, 60 in High Rise Sleeper Cab, Bunk Beds, Aluminum Wheels, 295/75R22.5, Air Liner Air Ride Suspension, 232 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks