Best produced its Thirty farm tractor model From 1921 Until 1925 in United states with a Open operator station cabin. Talking dimensions and weight, this model weighs 7400 lbs or 3356 kg has 53.25 inches [135 cm] of width and 59 inches [149 cm] of height. This tractor can fit ag tires of 43.75, 60.75-inch tracks front and 43.75, 60.75-inch tracks back . This Best Thirty is powerd by a gasoline engine it has 461 ci or 7.6 L 4 cylinders. This machine has crawler wheel drive system,3 forward and 1 reverse transmission system.