Atlantic Coast Line 4-4-2
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Atlantic Coast Line 4-4-2 were express passenger tender locomotives built by
Baldwin Locomotive Works The Baldwin Locomotive Works (BLW) was an American manufacturer of railway locomotives from 1825 to 1951. Originally located in Philadelphia, Pennsylvania, it moved to nearby Eddystone, Pennsylvania, Eddystone in the early 20th century. The com ...
(at that time known as Burnham, Williams & Co), initially for the
Atlantic Coast Line Railroad The Atlantic Coast Line Railroad was a United States Class I railroad formed in 1900, though predecessor railroads had used the ACL brand since 1871. In 1967, it merged with long-time rival Seaboard Air Line Railroad to form the Seaboard Coast ...
as classes I/I-2 and I-3. They were the first design in the world to exploit the larger boiler and firebox possible with a design compared to the classic .


Design and build

The advantages of the design included a large boiler and a firebox of "desirable form" with "ample depth and width" which could be fitted over the rear frames, and this design for the first to exploit those features. There were also claimed of improved riding compared to some other types. The design specification called for the ability to haul a ten-coach train up a 32 foot grade ( or 1 in 165) at . The initial batch of five were constructed in 1894/5. Further members classified as Class I/I-2 were built and the final two classified class I-3 were constructed in 1900.


History

The class was introduced to the constituent companies operating the ACL brand from 1894-1895.


Legacy

The adoption of the name ''Atlantic'' for the class and subsequently the wheelbase arrangement itself derives from name of the railroad they were supplied to. The advantages of the "Atlantic" type led to several other designs around the start of the twentieth century adopting the wheelbase for express passenger work including the Milwaukee Road class A2,
Pennsylvania Railroad class E1 Pennsylvania Railroad's E1 class comprised three experimental "Atlantic" locomotivess built in 1899 to compete with the Reading Railroad on the Philadelphia, Pennsylvania (Camden, New Jersey), to Atlantic City, New Jersey, high-speed seashore p ...
, as well as several railroads abroad for example the Lancashire and Yorkshire Railway Class 7 in the United Kingdom. Later in the Twentieth century preference moved to for ten-wheeler locomotives despite the consequent difficulties in achieving an effective firebox design.


References


Footnotes


Sources

* * {{DEFAULTSORT:Atlantic Coast Line 4-4-2 4-4-2 locomotives Railway locomotives introduced in 1894 Baldwin locomotives Atlantic Coast Line Railroad Steam locomotives of the United States Scrapped locomotives