Renault produced its 921 farm tractor model From 1977 Until 1980 in France with a standard cabin. Talking dimensions and weight, this model weighs 8,489 lbs or 3850 kg has , 174.8 inches [443 cm] of length and 108.3 inches [275 cm] of height while maintaining a wheelbase of 105.5 inches [267 cm]. This tractor can fit ag tires of 14.9-24 front and 14.9-24 back . This Renault 921 is powerd by a diesel engine it has 345.1 ci or 5.7 L 6 cylinders ,it can produce 92 hp or 68.6 kW at 2350 (rpm), and has a torque of 248.6 lb-ft or 337.1 Nm at 1100 (rpm) the fuel tank capacity is 30.9 gal or 117.0 L. This machine has 4x2 2WD wheel drive system,12 forward and reverse transmission system.