Detroit 6 Cylinder Ultra Low Sulfur Diesel Engine, Requires Diesel Exhaust Fluid, Positive Air Shutoff, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller FO-16E313A-MHP ULT 13-Speed Automated Transmission, Differential Lock, 12000 lb Front Axle, 40000 lb Rears, Meritor MT-40-14X Drive Axles, 3.90:1 Axle Ratio, 52000 lb GVWR, Air Ride Cab, 295/75R22.5 Front Tires, 295/75R22.5 Rear Tires, Air Ride Suspension, Dual Fuel Tanks

Volvo D13H425 6 Cylinder 12.8 L Ultra Low Sulfur Diesel 425 hp Engine, 2012 US EPA Label, Requires Diesel Exhaust Fluid, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Volvo ATO2612D 12-Speed Automated Transmission, Differential Lock, 12000 lb Front Axle, 40000 lb Rears, Meritor MT-40-14X Drive Axles, 2.64:1 Axle Ratio, 52009 lb GVWR, Air Ride Cab, 295/75R22.5, Air Ride Suspension, 186 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks

Volvo D13H425 6 Cylinder 12.8 L Ultra Low Sulfur Diesel 425 hp Engine, US EPA Label, Requires Diesel Exhaust Fluid, Cruise Control, Engine Brake, Volvo AT2612D 12-Speed Automated Transmission, Differential Lock, 12000 lb Front Axle, 40000 lb Rears, Meritor MT-40-14X Drive Axles, 2.64:1 Axle Ratio, 52000 lb GVWR, Air Ride Cab, 295/75R22.5, Air Ride Suspension, 142 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks