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rtu and zan parts interchange?

1463 Views 2 Replies 2 Participants Last post by  muscletruck7379
i found a guy that has some RTU parts, rear tires/wheels, hood, tank and misc engine parts. I want to say that I read once that the Z line (I have a ZAN and a ZAE) evolved from the R's. can anybody fill me in on what will and won't swap over?
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Some parts will interchange like engine cylinders and head. You will need to use ZA rods and pistons though. Fuel tanks and hoods are different The rear wheels, if they are the same as our RTU wheels, will not fit the ZA hub. They have a different flange(see pics). First pic is a ZA wheel and hub. #2 is an RTU wheel that happens to be on a John Deere, but shows how it won't fit over the hub which is the same Diameter as a ZA. #3 is our RTU hub with a ZA wheel on it. You can see the gap around the hub. Hope this helps a little.

I should add that the RTU's were changed around 1950 and I'm not sure if the hubs and wheels were updated at that time so I would check to see what the wheel center flanges look like.


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well that sucks, but a big thanks for the info!
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