J.I. Case produced its Terratrac 320 industrial tractor model From 1957 Until 1958 in Unites states with a Open operator station cabin and more than 496 units were build. Talking dimensions and weight, this model weighs 4605 lbs or 2088 kg the front tread is about 48 inches while the rear tread is 48 inches . This tractor can fit ag tires of 18-inch tracks front and 18-inch tracks back . This J.I. Case Terratrac 320 is powerd by a gasoline engine it has 148 ci or 2.4 L 4 cylinders ,it can produce 38 hp or 28.3 kW at 13 (rpm), and has a torque of 128 lb-ft or 173.6 Nm at 1100 (rpm). This machine has crawler wheel drive system,.