Conventional-Sleeper, 10 Spd; 63 in Unibilt; ISX 15 Cummins Engine Manufacturer 485 Horsepower; Diesel Fuel Type; Engine Brake; 3.70 Ratio; 24.5 Tires; All Aluminum Wheels; 260 in Wheelbase; Tandem Axle; 13,200 lb Front Axle Weight; 40,000 lb Rear Axle Weight; 53,200 lb Gross Vehicle Weight; Drive Side: Left Hand, Why go new when you can save money with these 2015 389's!! Super low miles and well equipped units. Trucks have PTO's, blowers, and Thermoking Evolution APU'S!!!, Differential Lock, DOT, Dual Breathers, Dual Exhaust, Power Steering, Tilt/Telescope, Auxiliary Power Unit (APU), Cruise Control, Heated Mirrors, Power Locks.