Massey-Harris produced its Pony 812 farm tractor model From 1951 Until 1957 in United states with a Open operator station cabin. Talking dimensions and weight, this model weighs 1653 lbs or 749 kg has 55.9 inches [141 cm] of width, 104.7 inches [265 cm] of length and 61.4 inches [155 cm] of height while maintaining a wheelbase of 66.9 inches [169 cm] and a ground clearance of 20.9 inches [53 cm] the front tread is about 40.9 to 68.9 inches while the rear tread is 40.9 to 68.9 inches . This tractor can fit ag tires of 4x15 front and 4x15 back . This Massey-Harris Pony 812 is powerd by a gasoline engine it has 74.5 ci or 1.2 L 4 cylinders ,it can produce 15.8 hp or 11.8 kW at 1850 (rpm), the fuel tank capacity is 6.9 gal or 26.1 L. This machine has 4x2 2WD wheel drive system,3 forward and 1 reverse transmission system.