Hi, Men,
That transmission arrived yesterday, tag says it's a NP4530, manufactured in Syracuse plant 1973. I downloaded a few pages I could find on it, telling me that the 4530 and the 445 are identical, just came out of different plants.
Input shaft has a 23 tooth count, tapered roller bearing, identical in every respect to the NP435 version, EXC
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Dodge Sweptline Truck General Discussion