M-R-S produced its A-85 farm tractor model From 1977 Until 1980 in United states. Talking dimensions and weight, this model weighs 17300 lbs or 7847 kg has 111 inches [281 cm] of width, 195 inches [495 cm] of length and 132 inches [335 cm] of height while maintaining a wheelbase of 118 inches [299 cm] and a ground clearance of 14 inches [35 cm] the front tread is about 80 inches while the rear tread is 80 inches . This tractor can fit ag tires of 23.1x26 front and 23.1x26 back . This M-R-S A-85 is powerd by a diesel engine it has 318.4 ci or 5.2 L 6 cylinders ,it can produce 202 hp or 150.6 kW at 2500 (rpm),. This machine has 4x4 4WD wheel drive system,20 forward and 4 reverse transmission system.