Cummins X15 6 Cylinder 15 L Diesel 500 hp Engine • 2023 US EPA Label • CARB Compliant • Requires Diesel Exhaust Fluid • 7.13 Engine hrs • Air Conditioner • Cruise Control • Power Windows • Engine Brake • Allison 4500 Automatic Transmission • Triple Differential Locks • 20000 lb Front Axle • Meritor RZ-69-166 Drive Axles • 4.56:1 Axle Ratio • Air Ride Cab • Aluminum Wheels • 425/65R22.5 Front Tires • 11R24.5 Rear Tires • Dual Steering Boxes • Double Frame • Airliner Air Ride Suspension • 264 in Wheelbase • Dual PTO • Air Sliding 5th Wheel • Headache Rack • Dual Fuel Tanks • Eberspächer Heater