Allis Chalmers produced its B farm tractor model From 1938 Until 1957 in United states with a Open operator station cabin and more than 120,783 units were build. Talking dimensions and weight, this model weighs 2060 lbs or 934 kg has 52.7 inches [133 cm] (minimum) of width, 110.25 inches [280 cm] of length while maintaining a wheelbase of 73.4 inches [186 cm] and a ground clearance of 21.75 inches [55 cm] the front tread is about 42 inches while the rear tread is 40 to 52 inches . This tractor can fit ag tires of 4.00-15 front and 4.00-15 back . This Allis Chalmers B is powerd by a gasoline engine it has 113 ci or 1.9 L 4 cylinders the fuel tank capacity is 12 gal or 45.4 L. This machine has 4x2 2WD wheel drive system,3 forward and 1 reverse transmission system.