In the late 1930s, when looking for heavier steam power to move freight and passenger trains swiftly, the New York Central looked at a dual service steam locomotive. The modern 1940 L3a from the American Locomotive Company (Alco) was able to move both heavy passenger trains and freights with relative ease. So, the NYC acquired both the L-3 and L-4 classes of Mohawks from Alco and the Lima Locomotive Works, in 1940 and 1942, respectively.
New York Central No. 3001 is a member of the L-3a class of locomotives. Based in Ohio after the NYC dieselized east of Cleveland between August 7 and September, 1953, the Mohawk powered many general freight and passenger trains, such as the 20th Century Limited. Until dieselization of that division in 1949, No. 3001 could often be seen hauling passenger trains on the Boston & Albany. No. 3001 was often used to haul freight trains due to many NYC Hudsons being occupied pulling passenger trains; in later years, diesel-electric locomotives hauled the passenger trains. In the final years of steam on the New York Central, the No. 3001 and other modern Mohawks were demoted to lighter trains, due to Pittsburgh and Lake Erie Railroad (NYC subsidiary) 2-8-4 "Berkshires" and NYC 4-8-4Niagaras handling increasingly-heavier freight and passenger trains on the system. As diesels flooded the NYC, the No. 3001 and the other steam locomotives still in service saw the end coming nearer and nearer. No. 3001 was finally retired on February 14, 1957.
The New York Central sold L-3a No. 3001 to the Texas and Pacific Railroad in March, 1957, to replace the heavily-vandalized and subsequently scrapped Texas and Pacific 2-10-4 "Texas type" No. 638, that was on display at the Texas State Fairgrounds there.[1] The Texas and Pacific then donated No. 3001 (disguised as Texas and Pacific No. 909[2]) to the city of Dallas, Texas. The city later donated No. 3001 (still disguised as Texas & Pacific No. 909)[3] to the Museum of the American Railroad in Dallas. The sale to the Texas and Pacific Railroad is the sole reason why No. 3001 was not sold for scrap in 1957. In the early 1980s, after trading Pennsylvania RailroadGG-1 No. 4903 to the Museum of the American Railroad, No. 3001 made its way east to Elkhart, Indiana[4] after being acquired by the Lakeshore Railroad Historical Foundation, but not before the locomotive was borrowed by a power plant for use as a stationary steam generator.[5] The No. 3001 locomotive is currently still on static display[6] in Elkhart, at the National New York Central Railroad Museum, but has been a prime candidate for restoration for a while.[7][8]
PRR 6755 - The only Pennsylvania Railroad 4-8-2 that survives, at the Pennsylvania State Railroad Museum in Strasburg, PA. Like the 3001, the 6755 was a dual-service locomotive.