IH Farmall 656 gas/ IH 240 Utility/ 2, Super C Farmalls/ 2, Farmall A's/ Farmall BN/McCormick-Deering OS-6/McCormick-Deering O-4/ '36 Farmall F-12/ 480 Case hoe. '65 Ford 2000 3 cyl., 4 spd. w/3 spd Aux. Trans
There should be a tag riveted inside the seat support on the gear shift side with the serial number stamped on it. If it's there write it down then open this link :TractorData.com Farmall Super A tractor information and scroll down towards the bottom. There is a list of years and serial numbers.