David Brown produced its 780 farm tractor model From 1967 Until 1971 in United states and more than 8,986 units were build. Talking dimensions and weight, this model weighs 3,470 lbs or 1573 kg has 64 inches [162 cm] of width, 111.75 inches [283 cm] of length and 82.5 inches [209 cm] of height while maintaining a wheelbase of 75.8 inches [192 cm] and a ground clearance of 11.75 inches [29 cm]. This tractor can fit ag tires of 6.00-16 front and 6.00-16 back . This David Brown 780 is powerd by a diesel engine it has 164.4 ci or 2.7 L 3 cylinders ,it can produce 46 hp or 34.3 kW at 2200 (rpm), the fuel tank capacity is 9.5 gal or 36.0 L. This machine has 4x2 2WD wheel drive system,6 forward and 2 reverse sliding gear transmission system.