1997 Kenworth T400. Engine Cummins M11-370E Plus. Transmission 10 speed RTX13710C. Rear axle RS23-160 ratio 4.10. 805,799 miles. Very clean truck and well maintained. Ready to work with no issues. Very clean exterior and interior. Truck has a Donaldson DPF aftertreatment system installed to complied with California emission laws. Can be removed if taking it to a different state. System alone is worth $10,000. Very solid truck.