Baldwin 60000
Baldwin 60000 is an experimental steam locomotive built by the Baldwin Locomotive Works in Eddystone, Pennsylvania in 1926, during the height of the railroading industry. It received its number for be...
Baldwin 60000 - Wikipedia
PRR DD2
The Pennsylvania Railroad's class DD2 electric locomotive was a single prototype locomotive never placed into series production.It was intended as an improved and simplified GG1 for use on the planned...
PRR DD2 - Wikipedia
CIÉ No. CC1
Córas Iompair Éireann No. CC1, generally known as the Turf Burner, was a prototype 0-6-6-0 articulated steam locomotive designed by Oliver Bulleid to burn turf (an Irish term for peat used as fuel) an...
Schienenzeppelin
The Schienenzeppelin or rail zeppelin was an experimental railcar which resembled a zeppelin airship in appearance. It was designed and developed by the German aircraft engineer Franz Kruckenberg in 1...
Schienenzeppelin - Wikipedia
GMD GMDH-3
The GMD GMDH-3 was an experimental diesel-hydraulic switching locomotive built in January 1960 by General Motors Diesel of Canada. Only one example was built, with GMD serial number A1813.The locomot...
GMD GMDH-3 - Wikipedia
High-pressure steam locomotive
A high-pressure steam locomotive is a steam locomotive with a boiler that operates at pressures well above what would be considered normal. In the later years of steam, boiler pressures were typically...
High-pressure steam locomotive - Wikipedia
LNER Class W1
The LNER W1 No. 10000 (also known as the Hush-Hush due to its secrecy and "Galloping Sausage" before rebuild due to its shape) was an experimental steam locomotive fitted with a high pressure water-tu...
LNER Class W1 - Wikipedia
British Rail HS4000
HS4000, named Kestrel, was a prototype high-powered mainline diesel locomotive built in 1967 by Brush Traction, Loughborough as a technology demonstrator for potential future British Rail and export o...
British Rail HS4000 - Wikipedia
PRR R1
The Pennsylvania Railroad's class R1 comprised a single prototype electric locomotive constructed in 1934 by the Baldwin Locomotive Works of Philadelphia, Pennsylvania, USA, with the electrical equipm...
PRR R1 - Wikipedia
EMD GP40X
An EMD GP40X is a 4-axle diesel-electric locomotive built by General Motors Electro-Motive Division between 1977 and 1978. Power for this unit was provided by a turbocharged 16-cylinder EMD 645F (deri...
EMD GP40X - Wikipedia
EMD SD40X
An EMD SD40X is an 6-axle diesel-electric locomotive built by General Motors Electro-Motive Division between 1964 and 1965. 9 examples of this locomotive were built for test purposes to test the new 6...
EMD SD40X - Wikipedia
EMD F69PHAC
The EMD F69PHAC locomotive, built in a joint venture between EMD and Siemens, was designed to test AC locomotive technology. Only two examples of this locomotive were made. The engine used the same ca...
EMD F69PHAC - Wikipedia
Fowler's Ghost
"Fowler's Ghost" is the nickname given to an experimental fireless 2-4-0 steam locomotive designed by John Fowler and built in 1861 for use on the Metropolitan Railway, London's first underground rail...
Fowler's Ghost - Wikipedia
Steam diesel hybrid locomotive
A steam diesel hybrid locomotive was a railway locomotive with a piston engine which could run on either steam from a boiler or diesel fuel. Examples were built in the United Kingdom, Russia and Italy...
Steam diesel hybrid locomotive - Wikipedia
Chesapeake and Ohio class M-1
The Chesapeake and Ohio class M-1 was a fleet of three steam turbine locomotives built by the Baldwin Locomotive Works for the Chesapeake and Ohio Railway in 1947–1948 for service on the Chessie strea...
PRR AA1
The Pennsylvania Railroad's class AA1 comprised two experimental electric locomotives constructed in 1905 by Westinghouse at the start of the PRR's electrification project.They were testbeds for large...
PRR AA1 - Wikipedia
British Rail APT-E
The APT-E, for Advanced Passenger Train Experimental, was the prototype Advanced Passenger Train tilting train unit. It was powered by gas turbines, the only multiple unit so powered that was used by ...
British Rail APT-E - Wikipedia
SNCF Class BB 20004
The SNCF class BB 20004 locomotive was a dual-voltage test-bed locomotive transformed from the damaged BB16540 in 1959. After the end of its test period in 1969 it was reinstated with its original eq...
SNCF Class BB 20004 - Wikipedia
Ingalls 4-S
The Ingalls 4-S was an experimental American locomotive built by Ingalls Shipbuilding immediately after World War II. Intended to be the first of many Ingalls-built locomotives, it wound up being the ...
Ingalls 4-S - Wikipedia
British Rail GT3
GT3, meaning Gas Turbine number 3 (following 18000 and 18100 as gas turbines 1 and 2), was a prototype mainline gas turbine locomotive built in 1961 by English Electric at their Vulcan Foundry in Newt...
PRR K5
The Pennsylvania Railroad's class K5 was an experimental 4-6-2 "Pacific" type, built in 1929 to see if a larger Pacific than the standard K4s was worthwhile. Two prototypes were built, #5698 at the PR...
PRR K5 - Wikipedia
British Rail 10100
British Railways 10100 was an unusual experimental diesel locomotive known informally as The Fell Diesel Locomotive (after Lt. Col. L. F. R. Fell, who was one of the designers). It was the joint produ...
British Rail 10100 - Wikipedia
DRG H 02 1001
The DRG H 02 1001 was a remarkable high-pressure steam locomotive, built by the engineering firm of Schwarzkopff to the design of Dr L. Löffler. The aim was not only to improve fuel economy—the ...
PRR S2
The Pennsylvania Railroad's class S2 was a steam turbine locomotive. One was built, #6200, delivered in 1944. The S2 was the sole example of the 6-8-6 wheel arrangement in the Whyte notation, with a...
PRR S2 - Wikipedia
PRR S1
The PRR S1 class steam locomotive (nicknamed "The Big Engine") was a single experimental locomotive, the longest and heaviest rigid frame reciprocating steam locomotive ever built. The streamlined Art...
PRR S1 - Wikipedia
DRG H 17 206
H17-206 was a high pressure steam locomotive built in Germany in 1925 by Henschel, on the Schmidt system. Rebuilt from a Prussian S 10.2.The H17-206 was not repeated.
GWR 7 (Armstrong) Class
The William Dean 7 or Armstrong Class refers to a group of four prototype 4-4-0 double-frame locomotives built at the Swindon Works of the Great Western Railway in 1894.
They were nominal renewals...
GWR 7 (Armstrong) Class - Wikipedia