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You need to measure the pin with a screw in the hole  because if you're using the atlas provided screws they will enlarge the pin size.   After recently converting over 48 cars with the new trucks, Atlas, Lionel, and MTH... You'll want that 13/64" hole in the truck bolster.  

3/16" is a tight fit and will require some additional reaming/enlarging the hole. 

Last edited by Mike DeBerg

This is interesting, as I just picked up 7 pairs for some Lionel 86 ft cars I've converted, and did not notice anything different from previous Atlas 70 ton trucks that I have bought.......and these were new trucks from Atlas.     I know there were issues with the 100 ton trucks, and yes, they use the same truck bolsters, however, is the issue only with installing on Atlas cars, and not with others?    I wonder if there was new tooling done for the "new" bolsters??

Mike....yeah...I guess I did not notice the problem, as I use a 3mm machine screw and a 3mm nut as my spacer between the body bolster, and the truck when installing trucks on the Lionel 86 ft hi cubes.   I do see the issue if doing a "flush"   bolster to body bolster install.   Atlas must have had new tooling done on the bolsters.....

Last edited by R Nelson

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OGR Publishing, Inc., 1310 Eastside Centre Ct, Ste 6, Mountain Home, AR 72653
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