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Front of locomotive to the left The single S2, No. 6200, in a PRR promotional image. Under the Whyte notation for the classification of steam locomotives by wheel arrangement, 6-8-6 represents the arrangement of six unpowered leading wheels, eight powered and coupled driving wheels, and six unpowered trailing wheels. Other equivalent ...
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The 2-6-6-6 (in Whyte notation) is an articulated locomotive type with two leading wheels, two sets of six driving wheels and six trailing wheels. Only two classes of the 2-6-6-6 type were built. One was the "Allegheny" class , built by the Lima Locomotive Works .
Type or class Whyte classification Manufacturer Four-coupled switcher 0-4-0: Olomana 0-4-2 Forney 0-4-4 Six-coupled switcher 0-6-0 Eight-coupled switcher
Uintah Railway narrow gauge 2-6-6-2T locomotive. Uintah Railway engines 50 and 51, having track gauge of 36 inches, were built by Baldwin in 1926 and 1928 respectively. These engines were simple articulated locomotives rather than compound Mallet locomotives, and they were 2-6-6-2T tank engines carrying coal behind the cab and water on side tanks.
A major difference underlying this shift is the use of the heavier GE 752 traction motors, as used on road locomotives, in place of the GE 731 traction motors used on nearly all Alco's preceding switchers. The 752 motors give the T-6 a very substantial increase in continuous tractive effort, which greatly improved its slow-speed lugging ...
Louisville & Nashville 152 is a preserved K-2a class 4-6-2 "Pacific" type steam locomotive listed on the National Register of Historic Places, currently homed at the Kentucky Railway Museum at New Haven, Kentucky in southernmost Nelson County, Kentucky. [2] It is the oldest known remaining 4-6-2 "Pacific" type locomotive to exist. [3]
Other post-USRA derivatives include the Baltimore and Ohio P-7 and the Southern Railway Ps-4 classes, the former having larger 80 inch drivers, higher tractive effort, and increased boiler pressure, and the latter with smaller 73 inch drivers, larger cabs, feedwater heaters, and later batches given larger tenders.