1979 Caterpillar 613B Self-Propelled Elevating Scraper, 4,524 Hrs Showing, Caterpillar 3208 V8 Diesel Engine, 6-Speed Powershift Transmission, 24mph Top Speed, 11 Cubic Yard Bowl (heaped), 8.1' Cutting Width, Max Cut Depth 6.7", Hydraulic Push Unload, Hercules 23.5-25" Tires, SN: 38W5832