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Cost to build US$ 265,000 in 1941, equivalent to $5,489,457 in 2023. The Union Pacific Big Boy is a type of simple articulated 4-8-8-4 steam locomotive manufactured by the American Locomotive Company (ALCO) between 1941 and 1944 and operated by the Union Pacific Railroad in revenue service until 1962. The 25 Big Boy locomotives were built to ...
Sierra Railway #3 on the P&AC. No. 3 is a 4-6-0 Ten-Wheeler steam locomotive built by the Rogers Locomotive and Machine Works of Paterson, New Jersey. Construction of the locomotive was completed on March 26, 1891, and was given Rogers construction number 4493. It has 17 in × 24 in (43 cm × 61 cm) cylinders, 56-inch (140 cm) driving wheels ...
Steam locomotive components. Main components found on a typical steam locomotive include: The main components of a typical steam locomotive. Click or hover over numbers to see names. ( enlarge) The diagram, which is not to scale, is a composite of various designs in the late steam era. Some components shown are not the same as, or are not ...
Fury. Disposition. Rebuilt in 1935 as Rebuilt Royal Scot class no. 6170 British Legion. The London, Midland and Scottish Railway (LMS) No. 6399 Fury was an unsuccessful British experimental express passenger locomotive. The intention was to save fuel by using high-pressure steam, which is thermodynamically more efficient than low-pressure steam.
A 2-8-8-4 steam locomotive, under the Whyte notation, has two leading wheels, two sets of eight driving wheels, and a four-wheel trailing truck. The type was generally named the Yellowstone, a name given it by the first owner, the Northern Pacific Railway, whose lines ran near Yellowstone National Park. Seventy-two Yellowstone-type locomotives ...
Rio Grande class K-27. The Denver and Rio Grande Western K-27 is a class of 3 ft ( 914 mm) narrow gauge 2-8-2 "Mikado" type steam locomotives built for the Denver and Rio Grande Railroad by the Baldwin Locomotive Works in 1903. Known by their nickname "Mudhens," they were the first and the most numerous of the four K classes of Rio Grande ...
Before the introduction of the lateral motion device, the coupled driving wheels on steam locomotives (often simply called "drivers") were held in a straight line by the locomotive's frame. The flanges of the drivers were spaced a bit closer than the rail gauge, and they could still fit between the rails when tracking through a mild curve.
Scrapped. LNER Class A3 2750 Papyrus was a 4-6-2 "Pacific" steam locomotive built for the London and North Eastern Railway (LNER) at Doncaster Works to a design of Nigel Gresley, entering service in March 1929. Primarily used to haul express passenger trains on the East Coast Main Line by LNER and its successor, British Railways, it is notable ...