International N13 6 Cylinder 13 L Diesel Engine, Requires Diesel Exhaust Fluid, Air Conditioner, Cruise Control, Eaton Fuller 10-Speed Manual Transmission, 12000 lb Front Axle, 20000 lb Rears, 32000 lb GVWR, Air Ride Cab, 295/75R22.5 Front Tires, 295/75R22.5 Rear Tires, Air Ride Suspension, 144 in Wheelbase, PTO, Wet Kit, Air Sliding 5th Wheel, Dual Fuel Tanks

Cummins ISB 6 Cylinder 6.7 L Diesel 325 hp Engine, 2015 US EPA Label, Requires Diesel Exhaust Fluid, Cruise Control, Allison Automatic Transmission, 12000 lb Front Axle, 20000 lb Rears, 32000 lb GVWR, 295/75R22.5 Front Tires, 295/75R22.5 Rear Tires, Air Ride Suspension, 154 in Wheelbase

Cummins ISX 6 Cylinder Compressed Natural Gas (CNG) Engine, Air Conditioner, Cruise Control, Power Windows, Eaton Fuller FRO-15210C 10-Speed Manual Transmission, Differential Lock, 12000 lb Front Axle, 40000 lb Rears, 3.55:1 Axle Ratio, 52000 lb GVWR, Air Ride Cab, Aluminum Outer Wheels, 275/80R22.5 Front Tires, 275/80R22.5 Rear Tires, Air Ride Suspension, 187 in Wheelbase