First get a few more details after you get it home. The first ones were still made in Cleveland at the old crawler plant. After White purchased Oliver the crawer was redesigned and called a OC-4 Series B and productionwas moved to Charles City same as the wheel tractors. In case you have not guessed, there were also changes in the engine. Also the first ones did not have sleeves (cast enblock design) later ones do. Your turn. Enjoy the little crawler!