International Harvester produced its A-766 farm tractor model From 1972 Until 1978 in United states with a Open operator station cabin and more than 10,799 units were build. Talking dimensions and weight, this model while maintaining a wheelbase of 102.7 inches 260 cm the front tread is about 60 to 84 inches while the rear tread is 56 to 100 inches . This tractor can fit ag tires of 9.5L-15 front and 9.5L-15 back . This International Harvester A-766 it has 6 cylinders the fuel tank capacity is 37 gal 140.0 L. This machine has 4x2 2WD wheel drive system,16 forward and 8 reverse transmission system.