| Fairly nice color slide of the massive Union Pacific 4-12-2 #9007. The wheel configuration was labeled the "Union Pacific" since UP ordered the only locos built with it. Specs - serial #67030, UP-2 class, 67" drivers, 220 psi boiler pressure,three 27" diameter cylinders (two with 32" stroke and one with a 31' stroke), engine weight of 496,000 lb, tractive effort of 96,646 lb.The loco was "vacated" in Feburary of 1956. Unknown location, date and photographer. |