M-R-S produced its A-100 farm tractor model From 1962 Until 1980 in United states with a Open operator station cabin. Talking dimensions and weight, this model has and 117 inches [297 cm] of height while maintaining a wheelbase of 100 inches [254 cm] and a ground clearance of 17.5 inches [44 cm] the front tread is about 88.5 inches while the rear tread is 88.5 inches . This tractor can fit ag tires of 23.1x26 front and 23.1x26 back . This M-R-S A-100 is powerd by a diesel engine it has 464 ci or 7.6 L 6 cylinders. This machine has 4x4 4WD wheel drive system,.