•YEARS BUILT: 1941 to 1948
•MANUFACTURER: Lima
•OPERATED ON: Chesapeake & Ohio, Virginian Railway
•NAMES: Allegheny on C&O, Blue Ridge on Virginian
•QUANTITY: 68
•BOILER PRESSURE: 260 psi
•KNOWN FOR: Hauling freight on steep mountain grades of C&O and Virginian territory in Virginia and West Virginia
•STATUS: Two are preserved in museums, No. 1604 at the Baltimore & Ohio Railroad Museum in Baltimore and No. 1601 at the Henry Ford in Dearborn, Mich.