Our wheels were produced using dimension established by Walter Graeff of Ace in the 60's. I talked to him a few years later and he told us that they were based on the RP25 research, but made to operate with AF trains...at least that is what I remember... Don
On Feb 24, 2013, at 7:43 AM, richgajnak wrote: > Well, I've used SHS Hirail wheels in AM trucks and they seem to work fine.
