Machine description: Navistar 6 Cylinder 7.6 L Diesel Engine, 1991 US EPA Label, 2673 Engine hrs, Spicer Manual Transmission, 8000 lb Front Axle, 17995 lb Rears, 25995 lb GVWR, 11R22.5, Spring Suspension, 150 in Wheelbase... more info about the 1992 International 8100.