Fiat produced its 640 farm tractor model From 1973 Until 1978 in Italy with a Four-post ROPS cabin. Talking dimensions and weight, this model weighs 4961 lbs or 2250 kg has , 132.3 inches [336 cm] of length and 105.9 inches [268 cm] of height while maintaining a wheelbase of 83.9 inches [213 cm] the front tread is about 52 to 79.3 inches while the rear tread is 51.2 to 78.7 inches . This tractor can fit ag tires of 7.50-16 front and 7.50-16 back . This Fiat 640 is powerd by a diesel engine it has 210.89 ci or 3.5 L 4 cylinders ,it can produce 64 hp or 47.7 kW at 2400 (rpm), and has a torque of 156.4 lb-ft or 212.1 Nm at 1600 (rpm) the fuel tank capacity is 14.3 gal or 54.1 L. This machine has 4x2 2WD wheel drive system,8 forward and 2 reverse transmission system.