View 0 Photos View 0 Videos 2021 Peterbilt 389 UltraCab Day Cab Truck - Cummins 450HP Newly Listed At auction Nov. 12 2021 PETERBILT 389 UltraCab Extended Hood Tri-Axle Non-Sleeper Conventional, Cummins X15 Engine, 450 H.P., Engine Brake, 18 Speed Transmission, (Manual), 40,000 Lb. Rear Ends, Steerable Air... ConditionUsedDuty ClassHeavy Duty Day Cab TruckHorse Power450 HPEngine ModelCummins X15SuspensionAir RideRear End40,000 lb 3.36 ratio MLS Number14660866CategoryDay Cab Semi Trucks Last Updated10/13/2026 LocationSouth Sioux City, NE, US Listed ByTaylor & Martin LLC (855) 546-___ SHOWNUMBERCall Seller Email Seller Save More Info