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- Allegheny Steam Locomotive, 1941 - The Chesapeake & Ohio Railway's massive Allegheny, introduced in 1941, represents the peak of steam railroad technology. Among the largest and most powerful steam locomotives ever built, it weighed 1.2 million pounds with its tender and could generate 7,500 horsepower. Just 11 years later, C&O began pulling these giants from service. Diesel-electric locomotives proved more flexible and less expensive.

- 1941
- Collections - Artifact
Allegheny Steam Locomotive, 1941
The Chesapeake & Ohio Railway's massive Allegheny, introduced in 1941, represents the peak of steam railroad technology. Among the largest and most powerful steam locomotives ever built, it weighed 1.2 million pounds with its tender and could generate 7,500 horsepower. Just 11 years later, C&O began pulling these giants from service. Diesel-electric locomotives proved more flexible and less expensive.
- Allegheny Steam Locomotive in Greenfield Village, 1956 - The Chesapeake & Ohio Railway's Allegheny steam locomotive #1601 joined The Henry Ford's collection in a ceremony at Smiths Creek Depot in July 1956. C&O president Walter Tuohy presented the engine on behalf of the railroad while museum director Donald Shelley and board president William Clay Ford graciously accepted it. The Allegheny has been a visitor favorite ever since.

- 1956
- Collections - Artifact
Allegheny Steam Locomotive in Greenfield Village, 1956
The Chesapeake & Ohio Railway's Allegheny steam locomotive #1601 joined The Henry Ford's collection in a ceremony at Smiths Creek Depot in July 1956. C&O president Walter Tuohy presented the engine on behalf of the railroad while museum director Donald Shelley and board president William Clay Ford graciously accepted it. The Allegheny has been a visitor favorite ever since.
- The Allegheny Locomotive - Key facts about the Allegheny Locomotive, an H-8 class train designed to pull heavy loads in the Allegheny Mountains in the mid-19th century.

- January 01, 2016
- Collections - popular research topic
The Allegheny Locomotive
Key facts about the Allegheny Locomotive, an H-8 class train designed to pull heavy loads in the Allegheny Mountains in the mid-19th century.
- "Allegheny" and "DeWitt Clinton" Locomotives in Greenfield Village, July 1956 - More than a century of steam locomotive development separated the 1831 <em>DeWitt Clinton</em> (represented by the 1893 replica at right) from the 1941 Allegheny. But each locomotive was built in the same basic pattern: a horizontal boiler mounted atop driving wheels, with those driving wheels connected directly to the cylinders.

- July 01, 1956
- Collections - Artifact
"Allegheny" and "DeWitt Clinton" Locomotives in Greenfield Village, July 1956
More than a century of steam locomotive development separated the 1831 DeWitt Clinton (represented by the 1893 replica at right) from the 1941 Allegheny. But each locomotive was built in the same basic pattern: a horizontal boiler mounted atop driving wheels, with those driving wheels connected directly to the cylinders.
- "Allegheny" and "DeWitt Clinton" Locomotives in Greenfield Village, 1956 - More than a century of steam locomotive development separated the 1831 <em>DeWitt Clinton</em> (represented by the 1893 replica at right) from the 1941 Allegheny. But each locomotive was built in the same basic pattern: a horizontal boiler mounted atop driving wheels, with those driving wheels connected directly to the cylinders.

- July 01, 1956
- Collections - Artifact
"Allegheny" and "DeWitt Clinton" Locomotives in Greenfield Village, 1956
More than a century of steam locomotive development separated the 1831 DeWitt Clinton (represented by the 1893 replica at right) from the 1941 Allegheny. But each locomotive was built in the same basic pattern: a horizontal boiler mounted atop driving wheels, with those driving wheels connected directly to the cylinders.
- Third Attempt to Move the "Allegheny" Locomotive into Henry Ford Museum, 1956 - The Chesapeake & Ohio Railway 2-6-6-6 Allegheny locomotive is one of the most popular artifacts in Henry Ford Museum of American Innovation. It was also one of the most difficult to install. An exterior door to the building had to be enlarged and parts had to be removed from the locomotive before it could be squeezed into the museum.

- September 06, 1956
- Collections - Artifact
Third Attempt to Move the "Allegheny" Locomotive into Henry Ford Museum, 1956
The Chesapeake & Ohio Railway 2-6-6-6 Allegheny locomotive is one of the most popular artifacts in Henry Ford Museum of American Innovation. It was also one of the most difficult to install. An exterior door to the building had to be enlarged and parts had to be removed from the locomotive before it could be squeezed into the museum.
- First Attempt to Move the "Allegheny" Locomotive into Henry Ford Museum, August 18, 1956 - The Chesapeake & Ohio Railway 2-6-6-6 Allegheny locomotive is one of the most popular artifacts in Henry Ford Museum of American Innovation. It was also one of the most difficult to install. An exterior door to the building had to be enlarged and parts had to be removed from the locomotive before it could be squeezed into the museum.

- August 18, 1956
- Collections - Artifact
First Attempt to Move the "Allegheny" Locomotive into Henry Ford Museum, August 18, 1956
The Chesapeake & Ohio Railway 2-6-6-6 Allegheny locomotive is one of the most popular artifacts in Henry Ford Museum of American Innovation. It was also one of the most difficult to install. An exterior door to the building had to be enlarged and parts had to be removed from the locomotive before it could be squeezed into the museum.
- "Allegheny" and "Sam Hill" Locomotives and Replica "DeWitt Clinton" Locomotive and Coaches in Greenfield Village, 1956-1958 - Three generations of American steam locomotive development contrast dramatically at Greenfield Village. The replica of the 1831 <em>DeWitt Clinton</em> represents the earliest days. The 1858 <em>Sam Hill</em> characterizes locomotives of the mid nineteenth century. The mammoth 1941 Allegheny symbolizes the peak of steam locomotive technology. Larger size brought greater power, and the Allegheny reached the practical limits of both.

- 1956-1958
- Collections - Artifact
"Allegheny" and "Sam Hill" Locomotives and Replica "DeWitt Clinton" Locomotive and Coaches in Greenfield Village, 1956-1958
Three generations of American steam locomotive development contrast dramatically at Greenfield Village. The replica of the 1831 DeWitt Clinton represents the earliest days. The 1858 Sam Hill characterizes locomotives of the mid nineteenth century. The mammoth 1941 Allegheny symbolizes the peak of steam locomotive technology. Larger size brought greater power, and the Allegheny reached the practical limits of both.
- "Allegheny," "DeWitt Clinton," and "Sam Hill" Locomotives Alongside New York Central Diesel Aerotrain, circa 1956 - Three historic locomotives from The Henry Ford -- the <em>DeWitt Clinton</em> (replica of the 1831 original), <em>Sam Hill</em> (1858) and Allegheny (1941) -- pose alongside the Aerotrain in 1956. Railroads hoped that the streamlined Aerotrain, designed by General Motors, might lure travelers back onto trains. But its lightweight coaches gave a rough ride and Aerotrain failed to catch on with passengers.

- circa 1956
- Collections - Artifact
"Allegheny," "DeWitt Clinton," and "Sam Hill" Locomotives Alongside New York Central Diesel Aerotrain, circa 1956
Three historic locomotives from The Henry Ford -- the DeWitt Clinton (replica of the 1831 original), Sam Hill (1858) and Allegheny (1941) -- pose alongside the Aerotrain in 1956. Railroads hoped that the streamlined Aerotrain, designed by General Motors, might lure travelers back onto trains. But its lightweight coaches gave a rough ride and Aerotrain failed to catch on with passengers.
- First Attempt to Move the "Allegheny" Locomotive into Henry Ford Museum, August 18, 1956 - The Chesapeake & Ohio Railway 2-6-6-6 Allegheny locomotive is one of the most popular artifacts in Henry Ford Museum of American Innovation. It was also one of the most difficult to install. An exterior door to the building had to be enlarged and parts had to be removed from the locomotive before it could be squeezed into the museum.

- August 18, 1956
- Collections - Artifact
First Attempt to Move the "Allegheny" Locomotive into Henry Ford Museum, August 18, 1956
The Chesapeake & Ohio Railway 2-6-6-6 Allegheny locomotive is one of the most popular artifacts in Henry Ford Museum of American Innovation. It was also one of the most difficult to install. An exterior door to the building had to be enlarged and parts had to be removed from the locomotive before it could be squeezed into the museum.