Super, as soon as I saw your post, it made me jump up and go investigate!
Maybe they have changed things recently, but aside from the world losing a JR500, it’s wheels fit



perfectly, and it literally took more time to grind a square drill bit into a triangle to open up the Revolution wagon than it took me to change out the wheels and axles.
Hopefully Annie & Clarabel are made the same way and it will be a breeze.