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I love the key northerners looks over the hallmarks i own. The hallmarks boilers are too long as they used the same boiler for the 2-10-4 and 4-8-4 to save money....Adam Draskovich
Adam, this is an often repeated statement (saw it on the internet, must be true) but it's not correct. There are differences in the Hallmark Texas boiler, and the prototype 2-10-4 wheelbase was only 2" longer than the 4-8-4 and the boiler length is within 18". When you measure the boiler diameters, neither the Hallmark or the Key are quite right, and I happen to think the Key is proportionally closer to the 3751 class than the 3776/2900. But a lot of this is art more than science and I look forward to see how your model turns out. It's a lot of work and I wish you success!Otto
Youre right otto. The hallmarks sure do seem awfully long. I guess i better get a ruler on them next time I'm home. Adam Draskovich