page_title: British Rail Class 20
hierarchical_section_title: British Rail Class 20
caption_attribution_description: English: 20196 &amp; 20186 at Derby on 11/05/87. Scanned from a Kodacolor Gold 100 colour negative.
context_page_description: The British Rail Class 20, otherwise known as an English Electric Type 1, is a class of diesel-electric locomotive. In total, 228 locomotives in the class were built by English Electric between 1957 and 1968, the large number being in part because of the failure of other early designs in the same power range to provide reliable locomotives.
  The locomotives were originally numbered D8000–D8199 and D8300–D8327. They are known by railway enthusiasts as "Choppers".
context_section_description: The British Rail (BR) Class 20, otherwise known as an English Electric Type 1, is a class of diesel-electric locomotive.  In total, 228 locomotives in the class were built by English Electric between 1957 and 1968, the large number being in part because of the failure of other early designs in the same power range to provide reliable locomotives.
  The locomotives were originally numbered D8000–D8199 and D8300–D8327. They are known by railway enthusiasts as "Choppers".
caption: 20 196 & 20 186 at Derby, May 1987.
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