Allis Chalmers produced its 6-12 farm tractor model From 1919 Until 1926 in United states with a Open operator station cabin and more than 1,470 units were build. Talking dimensions and weight, this model weighs 2500 lbs or 1134 kg has 54 inches [137 cm] of width, 156 inches [396 cm] of length and 72 inches [182 cm] of height. This tractor can fit ag tires of 48x6 steel front and 48x6 steel back . This Allis Chalmers 6-12 is powerd by a gasoline engine it has 138.1 ci or 2.3 L 4 cylinders the fuel tank capacity is 8.5 gal or 32.2 L. This machine has 4x2 2WD wheel drive system,1 forward and reverse transmission system.