2001 Mack RD688S Triaxle Truck Tractor, SN:1M2P267C21M054661, One Owner, Mack E7-400+ (new Dec '22), Eaton 20918 18 Speed, 18000 Front, 20000# Pusher, Camelback Springs, Full Double Frame, Replaced Odo, 517,133 total miles, 20,390 hrs.