British Rail Class 45

Ranked #36 on the list Best Locomotive class of All Time

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About British Rail Class 45

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The British Rail Class 45 also known as the Sulzer Type 4 diesel locomotives were built by British Rail at their Derby and Crewe Works between 1960 and 1962. Along with the similar Class 44 and 46 locomotives they became known as "Peaks". The Class 45s became the main traction on the Midland Main Line from 1962 and their introduction allowed considerable acceleration of the previous steam powered service. The Class 45s remained the main source of power on the Midland Main Line up to 1982 when they were relegated to secondary services following introduction of HSTs on the route. From 1986 Class 45s virtually disappeared from the line. From the early 1980s until their withdrawal c.1988 the class were regular performers on the North Trans-Pennine line working services from Liverpool Lime Street to York, Scarborough or Newcastle via Manchester Victoria, Huddersfield and Leeds. These trains were usually formed of early British Railways Mark 2 carriages of up to seven in a typical train. The engine of the Class 45 was a marine type slow revving diesel, a Sulzer 12LDA28B with a bore of 280 mm and a stroke of 360 mm. This gave 22 litres per cylinder or 264 litres for the whole engine. The

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