Machine description: Cummins ISC 250 6 Cylinder Diesel Engine, Eaton Fuller 9-Speed Manual Transmission, 12000 lb Front Axle, 23000 lb Rears, 11R22.5, Spring Suspension, 232 in Wheelbase, 16 ft 6 in Body, ( 1 ) Diesel Tan... more info about the 1999 Sterling L8513.