| A nice 1971 reprint of a 1936 Alco built Challenger type locomotive. Originally it was numbered 3901 but renumbered to 3801 in 1944.The unit was converted to an oil burner and then coal burner several times before reaching retirment between 1956-61. Specifics - class CSA-1, 69" drivers, impressive 255 psi boiler pressure, 22x32" cylinders (4), massive engine weight of 566,950 lb, impressive tractive effort of 97,305 lb. No photographer listed. |