2025 Peterbilt 589, Cummins, X15, 500HP, Fuller 13 Speed Transmission, Day Cab, , , Stock # 1765457 Take a look at this ready-to-work Peterbilt Model 589 day cab. This truck is spec d to take on any job. It features a 500 HP 1850 torque Cummins X15 engine, 13-speed transmission, heavy-duty driveline and Peterbilt Low Air Leaf suspension. The dash has all the gauges so monitoring all systems is only a glance away. Call or stop by Rush Truck Center in Greeley Colorado and let one of our sales professionals tell you about our many Peterbilt Model 589s in inventory as well as the great financing options currently available. Delivery available.