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UIC C: The Central European gauge. In Germany and other central European countries, the railway systems are built to UIC C gauges, sometimes with an increment in the width, allowing Scandinavian trains to reach German stations directly, originally built for Soviet freight cars. Maximum dimensions 3.15 by 4.65 m (10 ft 4 in by 15 ft 3 in). [6]
The first C-C design recorded was a narrow-gauge Hornsby opposed-piston Hornsby-Akroyd-engined locomotive of 1903 for the Chattenden and Upnor Railway. There was a two-speed mechanical transmission with drive shafts to the bogies and the axles on each bogie were linked by coupling rods .
GCR Class 9P was a design of four-cylinder steam locomotive of the 4-6-0 wheel arrangement built for hauling express passenger trains on the Great Central Railway in England.
The UIC uses the following structure: [4] Upper-case letters Indicate driving axles, starting at A for a single axle. B thus indicates two and C indicates three consecutive pairs of driving wheels. Lower-case "o" Related to driving axles (minimum 2, "B"), indicates they are individually driven by separate traction motors. Numbers
In France, the UIC classification is used for diesels and electrics while a scheme similar to the Whyte notation, but counting axles instead of wheels, is used for steam locomotives. Notably, Switzerland had its own separate notation system until 1989, with the Swiss locomotive and railcar classification now only retained for its narrow gauge ...
Bo′Bo′ (UIC) or Bo-Bo (Commonwealth) is the indication of a wheel arrangement for railway vehicles with four axles in two individual bogies, all driven by their own traction motors. It is a common wheel arrangement for modern electric and diesel-electric locomotives , as well as power cars in electric multiple units .
Today, the system is still regularly being used for narrow gauge goods wagons, because these were not generally given UIC designations, as well as on many historical vehicles. The wagon class comprises one or more main class letters ( Hauptgattungszeichen ) (in capitals, sometimes with lower case letters in between) and possibly several ...
One prominent example was the British Gauge War, during which different railway companies were laying different track gauges across Great Britain, causing inefficiency wherever a break of gauge occurred, prior to an Act of Parliament the issue in 1846 by establishing one standard gauge of 4 ft 8 + 1 ⁄ 2 in (1,435 mm).