John Deere produced its 1640 farm tractor model From 1979 Until 1987 in United states with a Four-post ROPS cabin. Talking dimensions and weight, this model weighs 7409 lbs 3360 kg has 81.5 inches 207 cm of width, 154.5 inches 392 cm of length and 104.7 inches 265 cm of height while maintaining a wheelbase of 80 inches 203 cm the front tread is about 53.5 to 79.1 inches while the rear tread is 59.1 to 78.7 inches . This tractor can fit ag tires of 7.50-18 front and 7.50-18 back . This John Deere 1640 it has 4 cylinders ,it can produce 62 hp 46.2 kW at 2500 (rpm), and has a torque of 151.2 lb-ft 205.0 Nm at 1200 (rpm) the fuel tank capacity is 25.1 gal 95.0 L. This machine has 4x2 2WD wheel drive system,16 forward and 8 reverse transmission system.