Allis Chalmers produced its 620 farm tractor model From 1973 Until 1975 in United states with a Open operator station cabin. Talking dimensions and weight, this model weighs 1,500 lbs or 680 kg has 48 inches [121 cm] of width, 83 inches [210 cm] of length and 43.25 inches [109 cm] of height while maintaining a wheelbase of 56 inches [142 cm] and a ground clearance of 15 inches [38 cm]. This tractor can fit ag tires of 4.00x12 front and 4.00x12 back or lawn tires of 20-8x10 front and 20-8x10 back . This Allis Chalmers 620 is powerd by a gasoline engine it has 49.8 ci or 0.8 L 2 cylinders ,it can produce 19.5 hp or 14.5 kW at 3600 (rpm), the fuel tank capacity is 3.8 gal or 14.4 L. This machine has 4x2 2WD wheel drive system,infinite (3-range) forward and reverse transmission system.