SINGLE AXLE TRACTORS 2000 International Model 8100 Single Drive Truck Tractor - 28745 2000 Ottawa Single Drive Yard Tractor - 29727 1999 Capacity Single Drive Yard Tractor - 29839 1997 Ottawa Single Drive Yard Tractor - 29406 1996 International Single Drive Tractor - 30584 1992 Freightliner Single Drive Yard Tractor - 30393 1988 Ford Single Drive Tractor - 30526 1984 Ottawa Model YT-50 Single Drive Yard Tractor - 30297