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Old 03-05-2012, 10:06 AM
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Well its not a Muncie; since its cast iron. That leaves you with a T10 or a Saginaw, most likely a saginaw. If the reverse lever is in the main case, its a saginaw, if reverse is in the tailhousing, its a T10. As to whats inside the castings, you can never know for absolute certain unless you count the teeth after you open up the sidecover.
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