1 0 2020 Kenworth W990 Sleeper Semi Truck - 52" Mid-Roof, Cummins 450HP Newly Listed At auction Nov. 6 2020 KENWORTH W-990 Conventional, 52 Inch Mid-Roof Sleeper, Cummins X15 Engine, 450 H.P., Engine Brake, 10 Speed Transmission, (Manual), 40,000 Lb. Rear Ends, 3.36 Ratio, Air Ride Suspension... ConditionUsedDuty ClassHeavy Duty Sleeper Semi TruckHorse Power450 HPEngine ModelCummins X15Sleeper Size52"SuspensionAir RideRear End40,000 lb 3.36 ratio MLS Number13911362CategorySleeper Semi Trucks Last Updated10/21/2025 LocationSouth Sioux City, NE, US Listed ByTaylor & Martin LLC (855) 546-___ SHOWNUMBERCall Seller Email Seller Save More Info