CO-OP produced its B2 farm tractor model From 1939 Until 1941 in United states with a Open operator station cabin and more than 500 (approx.) units were build. Talking dimensions and weight, this model has , 132.25 inches [335 cm] of length while maintaining a wheelbase of 88.625 inches [225 cm]. This tractor can fit ag tires of 6.00x16 front and 6.00x16 back . This CO-OP B2 is powerd by a gasoline engine it has 201 ci or 3.3 L 6 cylinders the fuel tank capacity is 14 gal or 53.0 L. This machine has 4x2 2WD wheel drive system,4 forward and 1 reverse transmission system.