2021 Peterbilt 389, Cummins, X15, 485HP, Fuller 13 Speed Transmission, Day Cab, 2021 Peterbilt 389, Cummins, X15, 485HP, Fuller 13 Speed Transmission, Day Cab, Stock # 1169911 Take a look at this Peterbilt Model 389 day cab . This truck is spec d to take on any job. It features a 485 HP Cummins X15 engine, 13-speed transmission, double frame, 20K fronts, 46K rears, heavy-duty driveline, Kompensator fifth wheel and Peterbilt AirTrac suspension. The dash has all the gauges so monitoring all systems is only a glance away. Don t hesitate to call or come by Rush Truck Center --Odessa and let one of our sales professionals tell you about any of our Model 389s in inventory as well as the great financing options currently available. Delivery available.; Tire Size: 22.5; Suspension Type: Spring; Color: WHITE; Engine Model: X15; Wheel Base: 263; Transmission Speed: 13 Spd; Rear Axle Capacity: 46000