VNL64T630, Heavy Duty Trucks - Conventional Trucks w/ Sleeper, Volvo D13, I Shift, Engine upratable to 500hp, Refrigerator, Block Heater, Fuel Heaters. Call RDO Truck Center Lincoln sales department for further details 888-514-0254, Horse Power, Air Ride Suspension, Wheels, 213 Wheel Base, LP22.5, Tandem Axle, Ratio, 61 Mid Roof Sleeper