For the term "white notation" in music, see Mensural notation.
A selection of early 20th century locomotive types according to their Whyte notation and their comparative sizeWhyte notation from a handbook for railroad industry workers published in 1906[1]
The Whyte notation is a classification method for steam locomotives, and some internal combustion locomotives and electric locomotives, by wheel arrangement. It was devised by Frederick Methvan Whyte,[2] and came into use in the early twentieth century following a December 1900 editorial in American Engineer and Railroad Journal.
The notation was adopted and remains in use in North America and the United Kingdom to describe the wheel arrangements of steam locomotives, but for modern locomotives, multiple units and trams it has been supplanted by the UIC system in Europe and by the AAR system (essentially a simplification of the UIC system) in North America. However, geared steam locomotives do not use the notation. They are classified by their model and their number of trucks.
^Colvin, Fred H. (1906). The railroad pocket-book: a quick reference cyclopedia of railroad information. New York, Derry-Collard; London, Locomotive Publishing Company (US-UK co-edition). p. L‑9.
^Cite error: The named reference steam glossary was invoked but never defined (see the help page).
The Whytenotation is a classification method for steam locomotives, and some internal combustion locomotives and electric locomotives, by wheel arrangement...
(except for steam locomotives and small diesel shunters, where the Whytenotation is used), and in North America, where the AAR wheel arrangement system...
Wheel arrangements. The main notations are the Whytenotation (based on counting the wheels), the AAR wheel arrangement notation (based on counting either...
balance weight is clearly visible in the picture on the right. In the Whytenotation, driving wheels are designated by the middle number or numbers in the...
knowledge. Whytenotation for classifying steam locomotives by wheel arrangement Abuse of notation Cognitive dimensions of notations Formal notation Secondary...
Whyte may refer to: Whyte (surname), a family name Whyte, West Virginia Whytenotation for steam locomotives All pages with titles containing Whyte White...
classified by their model and their number of trucks), which use the Whytenotation instead. The AAR system counts axles instead of wheels. Letters refer...
arrangement. The two dominant systems for this are the Whytenotation and UIC classification. The Whytenotation, used in most English-speaking and Commonwealth...
United States. He is most widely known as the person who developed Whytenotation to describe the different wheel arrangements of steam locomotives in...
classification for the railroad locomotive wheel arrangement 0-4-0, in the Whytenotation Bó (bank), a banking brand in the United Kingdom Bō, or east Asian quarterstaff...
The S2 was the sole example of the 6-8-6 wheel arrangement in the Whytenotation, with a six-wheel leading truck keeping the locomotive stable at speed...
steam locomotives model C&O H-8 "Allegheny" steam locomotive, of the Whytenotation 2-6-6-6 USS H-8 (SS-151), a 1918 United States Navy submarine H8, flat-eight...
steam locomotives of 4-6-4 wheel arrangement in the Whytenotation, or 2′C2′ h3 in the UIC notation used in continental Europe. They were part of the DRG's...
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