J.I. Case produced its 770 farm tractor model From 1969 Until 1972 in Unites states with a Open operator station cabin and more than 1,690 units were build. Talking dimensions and weight, this model weighs 9,220 lbs or 4182 kg has , 153 inches [388 cm] of length while maintaining a wheelbase of 94 inches [238 cm] and a ground clearance of 15 inches [38 cm] the front tread is about 60 to 88 inches while the rear tread is 60 to 88 inches . This tractor can fit ag tires of 7.5L-15 front and 7.5L-15 back . This J.I. Case 770 is powerd by a diesel engine it has 251 ci or 4.1 L 4 cylinders the fuel tank capacity is 50 gal or 189.3 L. This machine has 4x2 2WD wheel drive system,12 forward and 4 reverse Range Power Shift transmission system.