| This is an excellent example of the ingenuity and frugality of the Great Northern shops. They rebuilt older articulated 2-6-6-2's into powerful, superheated 2-8-2 Mikados like this one. Specs - class O-6, 56" drivers, 200 psi boiler pressure, 28x32" cylinders, engine weight of 320,100 lb, tractive effort of 76,160 lb. No date was given for the photo so an approximate one was used. Robert Graham photo |