page_title: British Rail Class 15
section_title: Conversion
hierarchical_section_title: British Rail Class 15 / Conversion
caption_attribution_description: Braintree Model Railway Club visit to Colchester Sept 1980
context_page_description: The British Rail Class 15 diesel locomotives, also known as the BTH Type 1, were designed by British Thomson-Houston, and built by the Yorkshire Engine Company and the Clayton Equipment Company, between 1957 and 1961. They were numbered D8200-D8243.
context_section_description: All but four had been broken up for scrap by the end of 1972. The four that survived were converted into non-powered electric train pre-heating units at Doncaster Works, these duties keeping the locomotives employed for another ten years or more, until they were again made redundant and withdrawn.
caption: DB968001 (formerly D8233) at Colchester in 1980.
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