2020 KENWORTH T680 Mileage 590,000 mi Condition Used Description 40K miles on new clutch Engine Horsepower 500 HP Engine Manufacturer CUMMINS Engine Overhaul Yes Mileage Since Overhaul 70,000 mi Powertrain Transmission Manual Number of Speeds 13 Spd Chassis Number of Rear Axles Tandem Gross Vehicle Weight Rating Class 8: 33,001 pounds or greater Interior Drive Side Left Hand Drive Located In: Stickney, South Dakota