| Long before an RS11 unit wore the number "2921", this Alco-Schenectady twelve-wheeler did. Built in 1898, it has a relatively modern look to it despite the small drivers. Specifics - TW-8 cross-compound class, 55" drviers, 200 psi boiler pressure, 23x32" and 35"x32" cylinders, 192,000 lb engine weight, 36,543 lb tractive effort, converted to oil burners, simplified by SP shops in 1911. scrapped between 1949-53. No date, location or photographer was listed for this photo. |