Gravely produced its GMT 9000 lawn tractor model From 1977 Until 1982 in England with a Open operator station cabin. Talking dimensions and weight, this model has 51 inches 129 cm of width, 90.5 inches 229 cm of length and 44 inches 111 cm of height while maintaining a wheelbase of 63 inches 160 cm the front tread is about 36.75 inches while the rear tread is 39 to 43 inches . This tractor can fit ag tires of 4.00-12 front and 4.00-12 back or lawn tires of 20x8.00-10 front and 20x8.00-10 back . This Gravely GMT 9000 it has 845 cc or 51.6 ci 4 cylinders the fuel tank capacity is 7 gal 26.5 L. This machine has 4x2 2WD wheel drive system,8 forward and 4 reverse transmission system.