British Rail DP2
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DP2, meaning Development Prototype number 2, was a one-off prototype Type 4 mainline diesel locomotive, built by English Electric in 1962. DP2 was effectively the prototype for the later Class 50; it
DP2 at Bradford Exchange, 1967
DP2 at Crewe around 1962.
DP2 at King's Cross, 1963.