1951 Oliver Row Crop 77 2WD Tractor W/Loader, 37 Hp, 3.2L 6-Cyl Gas Engine, Manual Shift Transmission, 6 Forward Gears, 2 Reverse Gears, 540 PTO, 6.50x16 Front Tires, 13.6x38 Rear Tires, SN: 344139C77D