The Williams by Bachmann Baldwin 4-6-0 just feels more like Rogers Sierra No. 3 than the RailKing 4-6-0. You be the judge
MTH's habit of filling out the area below the boiler detracts from too many of its RailKing steamers.
But none of the existing O gauge models really match the Hooverville Cannonball. The driver spacing, smokestack and domes shape and position are just too distinct. I wonder why no one has pursued this idea over the years. Licensing issues, perhaps?
I'm sure Lionel would have considered it in the 1960s if it were a healthy company with confidence in the future of the toy train market at that time. But it wasn't.