Huber produced its 21-39 Super Four farm tractor model From 1929 in United states with a Open operator station cabin. Talking dimensions and weight, this model weighs 8450 lbs or 3832 kg has 76 inches [193 cm] of width, 158 inches [401 cm] of length while maintaining a wheelbase of 93 inches [236 cm]. This tractor can fit ag tires of 40x5 (steel) front and 40x5 (steel) back . This Huber 21-39 Super Four is powerd by a gasoline engine it has 461 ci or 7.6 L 4 cylinders the fuel tank capacity is 40 gal or 151.4 L. This machine has 4x2 2WD wheel drive system,2 forward and 1 reverse transmission system.