Belarus produced its MTZ-521 farm tractor model From 1973 Until 1977 in Belarus with a standard cabin. Talking dimensions and weight, this model weighs 7,695 lbs or 3490 kg has , 151.6 inches [385 cm] of length and 101.6 inches [258 cm] of height while maintaining a wheelbase of 96.5 inches [245 cm]. This tractor can fit ag tires of 8.30-20 front and 8.30-20 back . This Belarus MTZ-521 it has 289.8 ci or 4.7 L 4 cylinders ,it can produce 67 hp or 50.0 kW at 1800 (rpm), and has a torque of 193.3 lb-ft or 262.1 Nm at 1100 (rpm). This machine has 4x4 MFWD 4WD wheel drive system,9 forward and 2 reverse transmission system.