Steam locomotive profile: 4-6-0 Ten-Wheeler

Pennsylvania Railroad G5s class 4-6-0 Ten-Wheeler No. 1963

The Pennsylvania Railroad built 90 G5s class 4-6-0s between 1923 and 1925. Ten-Wheeler No. 1963 was photographed pulling away from the coaling dock at Fort Wayne, Ind., with a westbound passenger train in October 1947. J. R. Crosby The first Ten-Wheelers appeared in the late 1840s. They grew out of the need for a locomotive […]

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Steam locomotive profile: 4-4-2 Atlantic

Santa Fe 4-4-2 Atlantic No. 1468

Santa Fe owned the largest fleet of Atlantics, and kept a handful in service until 1953. No. 1468, a 1909 Baldwin, was pinch-hitting for an ailing gas-electric car when it pulled up to the depot at Riverside, Calif., with a westbound train on January 14, 1941. Jack Whitmeyer In the 1890s there was a general […]

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Steam locomotive profile: 4-6-2 Pacific

Chicago St. Paul Minneapolis Omaha Pacific 4-6-2 No. 602

C&NW subsidiary Chicago, St. Paul, Minneapolis & Omaha owned the world’s heaviest and most powerful Pacifics. No. 602 – one of the road’s three giant 4-6-2s, built by Alco in 1930 – blasts through St. Paul, Minn., with train 514 on July 5, 1953. W. H. N. Rossiter The 4-6-2, or Pacific type, grew out […]

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Steam locomotive profile: 4-6-4 Hudson

New York Central Twentieth Century Limited 4-6-4 Hudson

Henry Dreyfus created the timeless design worn by the streamlined 4-6-4s that pulled the Twentieth Century Limited. New York Central rostered North America’s largest fleet of Hudsons. In this photo, one of the speedsters prepares to depart LaSalle St. Station in Chicago. W.C. Merle, II In the early 1920s, as passenger train lengths grew and […]

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Steam locomotive profile: 4-8-2 Mountain

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BY Neil Carlson The development of the 4-8-2 grew out of the need for a locomotive with greater power than the Pacific to handle heavy passenger trains in mountainous terrain. The first 4-8-2 in North America was built at Alco’s Richmond plant and delivered to the Chesapeake & Ohio in 1911. Chessie wanted an engine […]

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Steam locomotive profile: 4-8-4 Northern

Northern Pacific 4-8-4 No. 2662

Northern Pacific 4-8-4 No. 2662 storms up the 1.8 percent grade at Muir, Mont., in 1947. Warren R. McGee With the general speed-up of passenger train schedules in the 1920s, the need arose for a more powerful version of the 4-8-2. Although it had adequate adhesion, the 4-8-2 lacked the raw horsepower to accelerate a […]

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Steam locomotive profile: 2-6-6-2 Mallet

Rayonier articulated 2-6-6-2 locomotives. No. 120

Rayonier was one of several logging companies that operated articulated 2-6-6-2 locomotives. No. 120, an oil-burning 2-6-6-2 built in 1936, hauls a trainload of freshly cut lumber near Humptulips, Wash., on September 28, 1960. Philip C. Johnson collection In the 1890s, the Gotthard Railway in Switzerland operated the first Mallet locomotives. They were compound articulated […]

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Steam locomotive profile: 2-6-6-4

Seaboard Air Line twin smokestack 2-6-6-4

One of Seaboard Air Line’s high-speed, twin smokestack 2-6-6-4s – the largest steam engines on the railroad’s roster – charges out of Raleigh, N.C., with a freight in 1941. Homer R. Hill During the latter half of the 1920s the single expansion articulated locomotive had evolved into a very capable machine. It could lug a […]

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Steam locomotive profile: 2-6-6-6 or Allegheny

Chesapeake & Ohio 2-6-6-6 Allegheny No. 1603

Mammoth C&O Allegheny No. 1603 summons its 110,200 pounds of tractive force to haul a heavy coal train through West Virginia. Chesapeake & Ohio In 1940, the Chesapeake & Ohio needed new locomotives to meet a burgeoning demand for transportation. Its biggest engines were a fleet of single expansion 2-8-8-2s, purchased in the mid-1920s to […]

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Steam locomotive profile: 2-8-8-2

Southern Railway 2-8-8-2 No. 4057

A scant three years after Alco introduced the Mallet to America (with the delivery of B&O’s sole 0-6-6-0 in 1904), the Erie took delivery of three camelback 0-8-8-0 Mallets – the first eight-coupled Mallets, also built by Alco – and put them to work as helpers on Gulf Summit in New York state. Southern Railway […]

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