The 5 3/4" isn't going to fly. I have one and it's in the Railking line for a reason. Looks good on a traditional o gauge layout but that's about it. Tinplate are easy to come by, both the 300 and the 305. I have bought the red and the green (all 4) and paid less than 250 including shipping. Watch eBay through the dead of the summer and used ones with dust and a few minor nicks will come up cheap.
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