1937 Oliver Hart Parr 28-44 High Compression Special 2WD Tractor, 7.3L 4-Cyl, Water Cooled Engine, Engine Oil Level Above Minimum, Manual Transmission, 4 Forward Speeds, 1 Reverse Speeds, Live PTO, 540 PTO, Mid And Rear PTO Location, Hydraulic Brakes, 7.50-16 Front Tires, 15-28 Rear Tires, SN: 508598AC33