2025 Peterbilt 589, Cummins, X15, 500HP, Fuller 12 Speed Endurant Transmission, Sleeper, , , Stock # 1729130 This New 2025 Peterbilt 589 Sleeper just came in. This truck has a 500 HP Cummins X15 Engine, 12 Speed Endurant Transmission, 2.85 Ratio, 280in Wheelbase, Low Air Leaf Suspension. Call or come by Rush Truck Center Houston and let one of our sales professionals tell you about this or any of our trucks in inventory as well as the great financing options currently available. Delivery available. Se habla Español.