Here is a massive example of a 1943 Alco articulaved 4-6-6-4 Challenger type locomotive. No information was included with this photo. Specifics - J-96 class, 69" drivers, four 20.5x32" cylinders, 69" drivers, and an imprfssive boiler pressure of 285 psi. The engine weight tipped the scales around 597,000 lb. It could generate a,tractive effort of 94,000 lb. The loco was scrapped between 1952-53. No photographer listed - the date is an approximation.. |