Here is a Lionel 29205 Mickey Mouse Railroad Hi-Cube Boxcar from 1998. It features sliding doors, die cast sprung trucks and operating couplers, and metal wheels and axles.
Mickey Mouse Railroad Spanning the Nation N.Y. to L.A.
Model Number: 6-29205
Years Manufactured: 1997 - 1997
Road Name: Disney
Scale/Era: O Modern
Model Type: Freight Cars