ATSF 3460 class
Encyclopedia
The Atchison, Topeka and Santa Fe Railway
Atchison, Topeka and Santa Fe Railway
The Atchison, Topeka and Santa Fe Railway , often abbreviated as Santa Fe, was one of the larger railroads in the United States. The company was first chartered in February 1859...

's 3460 class comprised six 4-6-4
4-6-4
Under the Whyte notation for the classification of steam locomotives, 4-6-4 represents the wheel arrangement of four leading wheels on two axles , six powered and coupled driving wheels on three axles, and four trailing wheels on two axles .Other equivalent classifications are:UIC classification:...

 "Hudson" type steam locomotive
Steam locomotive
A steam locomotive is a railway locomotive that produces its power through a steam engine. These locomotives are fueled by burning some combustible material, usually coal, wood or oil, to produce steam in a boiler, which drives the steam engine...

s built in 1937
1937 in rail transport
-January events:* January – Electro-Motive Corporation introduces the EMC E2.* January 18 – The Østfold Line in Norway takes electric traction into use between Ljan and Kolbotn.-March events:...

 by the Baldwin Locomotive Works
Baldwin Locomotive Works
The Baldwin Locomotive Works was an American builder of railroad locomotives. It was located in Philadelphia, Pennsylvania, originally, and later in nearby Eddystone, Pennsylvania. Although the company was very successful as a producer of steam locomotives, its transition to the production of...

 for service between La Junta, Colorado
La Junta, Colorado
The City of La Junta is a Home Rule Municipality that is the county seat and the most populous city of Otero County, Colorado, United States. The city population was 7,568 at the U.S. Census 2000. La Junta is located on the Arkansas River in southeastern Colorado east of Pueblo.-History:During...

 and Chicago, Illinois, a fairly flat division of the railroad suited for the 4-6-4 type. They were substantially larger than the road's earlier 3450 class
ATSF 3450 class
The Atchison, Topeka and Santa Fe Railway's 3450 class comprised ten 4-6-4 "Hudson" type steam locomotives built by the Baldwin Locomotive Works in 1927. Built as coal-burners, they were converted to oil-burning during the 1930s. At the same time, the locomotives were given 79-inch driving wheels...

 locomotives, and all were built oil-fired, although in a manner that would allow for easy conversion to coal firing.

They had much in common with the Milwaukee Road's class F7
Milwaukee Road class F7
The Milwaukee Road's class F7 comprised six high-speed, streamlined 4-6-4 "Baltic" or "Hudson" type steam locomotives built by ALCO in 1937–38 to haul the Milwaukee's Hiawatha express passenger trains...

 and the Chicago and North Western Railway
Chicago and North Western Railway
The Chicago and North Western Transportation Company was a Class I railroad in the Midwest United States. It was also known as the North Western. The railroad operated more than of track as of the turn of the 20th century, and over of track in seven states before retrenchment in the late 1970s...

's class E-4
CNW Class E-4
The Chicago and North Western Railway's Class E-4 comprised nine coal-burning streamlined 4-6-4 "Hudson" steam locomotives built in 1937 by ALCO....

, all three types being fast, 84-inch drivered 4-6-4s for Midwestern service with 300 lb/in² boiler pressures.

In December 1937, locomotive #3461 (pictured) set a world record for the longest single run by a steam locomotive by completing the 2227 miles from Los Angeles, California
Los Angeles, California
Los Angeles , with a population at the 2010 United States Census of 3,792,621, is the most populous city in California, USA and the second most populous in the United States, after New York City. It has an area of , and is located in Southern California...

 to Chicago without maintenance other than five refuelling stops en route, hauling Train #8, the Fast Mail Express. An average speed of 45 mph was attained, including stops; maximum speed during the run was 90 mph. During steeply graded portions of the run it was, of course, assisted by helper locomotives
Bank engine
A bank engine or helper engine or pusher engine is a railway locomotive that temporarily assists a train that requires additional power or traction to climb a grade...

. Such long distance runs were a goal of railway operating departments, enabling a reduction in locomotive numbers and through increased locomotive utilization, reduce overall costs.
The first locomotive, #3460, was built streamlined
Streamliner
A streamliner is a vehicle incorporating streamlining in a shape providing reduced air resistance. The term is applied to high-speed railway trainsets of the 1930s to 1950s, and to their successor "bullet trains". Less commonly, the term is applied to fully faired recumbent bicycles...

; painted light, robin's egg blue and silver, it became known as the "Blue Goose". It was the Santa Fe's only streamlined steam locomotive, featuring extensively in railroad publicity and was a railfan favorite.

Locomotive #3461 was fitted with a streamlined "skyline" casing along the top of the boiler, encasing stack and domes, in an experiment to see if it helped clear smoke away from the locomotive. It was not retained. All of the locomotives otherwise had a Santa Fe-style telescoping stack extension fitted, which elongated the stack to clear smoke better and could be lowered to pass under low bridges and tunnels.

The 3460 class 4-6-4s, the 3765 class 4-8-4
4-8-4
Under the Whyte notation 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 .Other equivalent classifications are:UIC classification: 2D2...

s, and the 5001 class 2-10-4
2-10-4
Under the Whyte notation for the classification of steam locomotives, a 2-10-4 locomotive has two leading wheels, ten driving wheels , and four trailing wheels...

s were designed and ordered around the same time and had much in common in their designs; in addition, they used the same six-axle tender design. The classes together were often called the "Big Three".

One locomotive survives, #3463, on static exhibit in Topeka, Kansas
Topeka, Kansas
Topeka |Kansa]]: Tó Pee Kuh) is the capital city of the U.S. state of Kansas and the county seat of Shawnee County. It is situated along the Kansas River in the central part of Shawnee County, located in northeast Kansas, in the Central United States. As of the 2010 census, the city population was...

.
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