Allis Chalmers produced its 18-30 farm tractor model From 1918 Until 1921 in United states with a Open operator station cabin and more than 1160 units were build. Talking dimensions and weight, this model weighs 6150 lbs or 2789 kg has 66 inches [167 cm] of width, 135 inches [342 cm] of length and 68 inches [172 cm] of height. This tractor can fit ag tires of 36x6 steel front and 36x6 steel back . This Allis Chalmers 18-30 is powerd by a gasoline engine it has 460.7 ci or 7.6 L 4 cylinders the fuel tank capacity is 25 gal or 94.6 L. This machine has 4x2 2WD wheel drive system,2 forward and 1 reverse transmission system.