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Under the Whyte notation for the classification of steam locomotives, 4-8-4 represents the wheel arrangement of four leading wheels on two axles, eight powered and coupled driving wheels on four axles and four trailing wheels on two axles. The type was first used by the Northern Pacific Railway, and initially named the Northern Pacific, but railfans and railroad employees have shortened the name since its introduction. It is most-commonly known as a Northern.
Under the Whyte notation for the classification of steam locomotives, 2-10-0 represents the wheel arrangement of two leading wheels on one axle, ten powered and coupled driving wheels on five axles, and no trailing wheels. This arrangement was often named Decapod, especially in the United States, although this name was sometimes applied to locomotives of 0-10-0 "Ten-Coupled" arrangement, particularly in the United Kingdom. Notable German locomotives of this type include the war locomotives of Class 52.
Under the Whyte notation for the classification of steam locomotives, 2-6-0 represents the wheel arrangement of two leading wheels on one axle, usually in a leading truck, six powered and coupled driving wheels on three axles and no trailing wheels. This arrangement is commonly called a Mogul.
Under the Whyte notation for the classification of steam locomotives, 2-8-0 represents the wheel arrangement of two leading wheels on one axle, usually in a leading truck, eight powered and coupled driving wheels on four axles, and no trailing wheels. In the United States and elsewhere, this wheel arrangement is commonly known as a Consolidation, after the Lehigh and Mahanoy Railroad’s Consolidation, the name of the first 2-8-0.
Under the Whyte notation for the classification of steam locomotives, 2-8-2 represents the wheel arrangement of two leading wheels on one axle, usually in a leading truck, eight powered and coupled driving wheels on four axles and two trailing wheels on one axle, usually in a trailing truck. This configuration of steam locomotive is most often referred to as a Mikado, frequently shortened to Mike.
The Portland Terminal Company was a terminal railroad notable for its control of switching (shunting) activity for the Maine Central Railroad (MEC) and Boston & Maine (B&M) railroads in the Maine cities of Portland, South Portland, and Westbrook.
The USRA Light Pacific was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the United States during World War I. It was the standard light passenger locomotive of the USRA types, with a 4-6-2 wheel arrangement in the Whyte notation, or 2′C1′ in UIC classification.
The South African Railways Class 15CA 4-8-2 of 1926 was a steam locomotive.
Maine Central Railroad Class W locomotives were intended for heavy freight service. They were of 2-8-0 wheel arrangement in the Whyte notation, or "1'D" in UIC classification. They replaced earlier class O 4-6-0 locomotives beginning in 1910. They were in turn replaced by class S 2-8-2 locomotives for the heaviest freight service beginning in 1914, but remained in use on lighter freight trains until replaced by diesel locomotives after World War II.
Maine Central Railroad Class S locomotives were intended for heavy freight service. They were of 2-8-2 wheel arrangement in the Whyte notation, or " 1'D1' " in UIC classification. They replaced earlier class W 2-8-0 locomotives beginning in 1914. They were the largest and most modern steam freight locomotives built for Maine Central; although former Boston and Maine Railroad 2-10-2s were later purchased to handle World War II freight traffic. Class S locomotives pulled freight trains over the main line between Portland and Bangor, Maine; and are best remembered for service on the Mountain Division from 1929, when the class X Mallet locomotives were scrapped, until replacement by diesel locomotives in the early 1950s.
Maine Central Railroad Class O locomotives were originally intended for heavy freight service. They were of 4-6-0 wheel arrangement in the Whyte notation, or "2'C" in UIC classification. They replaced earlier class P 2-6-0 locomotives beginning in 1903. They were in turn replaced by class W 2-8-0 locomotives for the heaviest freight service beginning in 1910, but remained in use on branch line trains until replaced by diesel locomotives after World War II. They proved so well-suited for branch line service the design was among the last steam locomotives built for the Maine Central.
Maine Central Railroad steam switchers were designated Class K. They were of 0-6-0 wheel arrangement in the Whyte notation, or "C" in UIC classification. American Locomotive Company (ALCO) began building more powerful yard locomotives for Maine Central in 1909. Twenty locomotives numbered 161 through 180 were active in 1923, and worked in Maine's largest cities until replaced by diesels after World War II.
Maine Central Railroad Class M locomotives were originally intended for heavy freight service. They were of 2-6-0 wheel arrangement in the Whyte notation, or "1'C" in UIC classification. They were replaced by class P 2-6-0 locomotives for the heaviest freight service beginning in 1896, and spent their final years as yard switchers. The oldest of the class surviving past United States Railroad Administration operation were Portland Company builders numbers 606 and 607 built in 1890. Eleven built by Schenectady Locomotive Works in 1893 and 1894 also appeared in the 221-245 number sequence on Maine Central's 1923 locomotive roster. The longest surviving representatives of the class were three built by Schenectady in 1897 as Portland and Rumford Falls Railway numbers 10 through 12. These three were rebuilt with higher-pressure boilers in Maine Central's Waterville shop between 1914 and 1921 as sub-class M-5. These reboilered locomotives with 25,000 lbf (111.2 kN) tractive effort were numbered 246 through 248. Number 247 was the last survivor of the class when scrapped in 1946.
Maine Central Railroad Class P locomotives were originally intended for heavy freight service. They were of 2-6-0 wheel arrangement in the Whyte notation, or "1'C" in UIC classification. They replaced class M 2-6-0s for the heaviest freight service beginning in 1896. They were transferred to branch line service as replaced by class O 4-6-0 locomotives beginning in 1903. Most were scrapped during the Great Depression and none survived World War II.
Maine Central Railroad began operating diesel locomotives in 1935, and had retired all steam locomotives by 1954. That time interval was a joint operating period with the Boston and Maine Railroad (B&M). This article describes diesel locomotives owned by Maine Central through the period of joint operation and later independent operation prior to Guilford Rail System control in 1981.
Canadian National Railway (CN) Class O-19 steam locomotives were of 0-6-0 wheel arrangement in the Whyte notation, or " C " in UIC classification. These USRA 0-6-0 locomotives were built for the Grand Trunk Railway (GT) in 1919 and remained in yard service until the final replacement of steam with diesel locomotives. ALCO builders numbers 60187 through 60191 were built at the Cooke plant as Grand Trunk Western Railroad numbers 1744 through 1748 while builders numbers 61298 through 61302 were built at the Schenectady, New York plant numbered 1824 through 1828 for use on New England lines. The locomotives were renumbered from 7522 through 7531 under Canadian National control, but retained Grand Trunk lettering for service in the United States.
Maine Central 470 is a 4-6-2 "Pacific" type steam locomotive built by the American Locomotive Company (ALCO) in May 1924 for the Maine Central Railroad (MEC). Currently owned by the New England Steam Corporation, it is being restored to operating condition at Washington Junction in Hancock, Maine.
The Great Northern H-5 was a class of 25 4-6-2 "Pacific" type steam locomotives that were originally built as E-14 4-6-0 "Ten Wheelers" by the Baldwin Locomotive Works in 1909 and operated by the Great Northern Railway until the mid-1950s.
Atlantic Coast Line 1504 is a 4-6-2 steam locomotive built in March 1919 by the American Locomotive Company (ALCO) of Richmond, Virginia, for the Atlantic Coast Line Railroad (ACL) as a member of the P-5-A class under the United States Railroad Administration (USRA) standard. No. 1504 was assigned to pull ACL's premier main line passenger trains during the 1920s to early 40s and even main line freight trains in the late 1940s until it was retired from revenue service at the end of 1952.
Chesapeake and Ohio No. 490 is the sole survivor of the L-1 class 4-6-4 "Hudson" type steam locomotives. It was built by Alco's Richmond works in 1926 as an F-19 class 4-6-2 "Pacific" type to be used to pull the Chesapeake and Ohio's secondary passenger trains. It was eventually rebuilt in 1947 to become a streamlined 4-6-4 for the C&O's Chessie streamliner. After the Chessie was cancelled, No. 490 remained in secondary passenger service, until it was retired in 1953. It spent several years in storage in Huntington, West Virginia, until 1968, when it was donated to the B&O Railroad Museum in Baltimore, Maryland. It remains on static display at the museum, as of 2023.
References
- 1 2 3 Robertson, Edwin B. Maine Central Steam Locomotives Edwin B. Robertson (1977) Westbrook, Maine pp.38-43&56
- ↑ Johnson, Ron (n.d.). Maine Central R.R. Mountain Division. 470 Railroad Club. p. 323.
- ↑ Alexander, Edwin P. (1950). American Locomotives . Bonanza Books. p. 136. ISBN 9780517014233.
- ↑ Johnson, Ron (1985). The Best of Maine Railroads. Portland Litho. p. 140.
- ↑ Robertson, Edwin B. (1978). Maine Central Diesel Locomotives. Edwin B. Robertson. pp. 49, 61&70–73.