Oliver OC-3 Crawler Tractor, Manuals Included, 1951 Approximate Model Year, 4-Cylinder Gasoline Engine, Estimated 18-24 HP, Manual 3-Speed Transmission, Steel Tracks, Approx. 3,000 lbs Weight. Appears to be 90-95% restored with the remaining parts being there to complete the restoration. Unit was not test run, but the motor turned when cranked by hand.