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Class 104 BRC&W 2, 3 & 4-car DMUs


Single Engine Conversion DM352

One power twin set (M50446 / M50521) was converted at Doncaster Works in 1982 and became M78851 (DHBS) and M78601 (DHC). The work involved the removal of one engine and drive train from each vehicle, an an attempt to reduce running and maintenance costs. The set was numbered EXP DM352.

Here are details of the modifications detailed in LMR Traction Bulletin Issue 33 (February 1982):


M50521

In ex-works condition after it's conversion to a single-engined vehicle, M50521 is seen in Doncaster Works on 7/3/82. Jerry Glover.

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