An 0-8-6, in the Whyte notation for the classification of steam locomotives by wheel arrangement, is a locomotive with no leading wheels, eight driving wheels (4 axles) fixed in a rigid frame, and six trailing wheels (normally mounted in a trailing truck). All locomotives using this wheel arrangement were tank locomotives.
Examples of this type of locomotive were built by Wilhelm von Engerth.
Equivalent classification Other equivalent classifications are: UIC classification: D3 (also known as German classification and Italian classification) French classification: 043
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