GBT produced its GBT-3000 farm tractor model From 1976 Until 1978 in United states with a Open operator station cabin. Talking dimensions and weight, this model weighs 2500 lbs or 1134 kg has , 105 inches [266 cm] of length while maintaining a wheelbase of 70.5 inches [179 cm] the front tread is about 43 to 61 inches while the rear tread is 40 to 69 inches . This tractor can fit ag tires of 5.50x16 front and 5.50x16 back . This GBT GBT-3000 is powerd by a gasoline engine it has 51.6 ci or 0.8 L 4 cylinders ,it can produce 27 hp or 20.1 kW at 3300 (rpm), the fuel tank capacity is 7.75 gal or 29.3 L. This machine has 4x2 2WD wheel drive system,6 forward and 1 reverse transmission system.