not exactly, its newer serial numbers machines. get a 5u or 4u in your serial number range. 5u will work close enough because it only means a wider tractor. look on ebay and search lowest price.
rockymnt---your 4U is a 1950 year. i do have a 5U Parts book that covers 1947 to late 1953. the 1950 serial #'s are 5U4204 to 5U6671 of which should cover most of your machine---i myself use a late 5U parts book for my late 4U machine. so if you can't find the exact parts book for your 4U I could look up what you need in my 5U book---I believe the only things different are the final drive and housings that make the 5U wider.
Thanks dpendzic, I will try that. I have the machine tore down now I need to get the parts a rolling in.
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