The London and North Eastern Railway Class U1 was a solitary 2-8-0+0-8-2 Beyer-Garratt locomotive designed for banking coal trains over the Worsborough Bank a steeply graded line in South Yorkshire and part of the Woodhead Route. It was both the longest and the most powerful steam locomotive ever to run in Britain. It was built in 1925 with the motion at each end being based on an existing 2-8-0 design.
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