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case 448 valve train bearings
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  1. Case, Colt, Ingersoll Tractor Forum
    Recently started work on my project tractor, a 1986 Case 448 with an Onan B48M (18HP). I'm getting some strange noises... And I can't decide what to do about it... Wondering if I should leave this motor as-is, and just run it, or if I should pull the motor out, take it apart and see if I can...
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