1951 CO-OP E-3 Narrow Front 2WD Tractor, 4-cyl. Gas Engine, 4-Speed Transmission, 540 PTO, Belt Pulley, 5.50-16SL Front Tires, 12.4/11-38 Rear Tires, Nicely Restored Tractor That Runs Well But Has An Older Repair To The Block, Does Not Leak, SN: 30 29468