Union Pacific 4-8-2 #7022 was built by Alco-Brooks in December of 1922 (serial #63738, MT-1 class) and served until was retired in March of 1954 . Specs - 73" drivers, 200 psi boiler pressure, 29x28" cylinders, engine weight of 345,000 lb, tractive effort of 54,838 lb. Jack A. Pfeifer photo |