DP2 meaning Diesel Prototype number 2 was a prototype Type 4 mainline diesel locomotive built in 1962 by English Electric at their Vulcan Foundry in Newton-le-Willows to demonstrate its wares to British Railways. As the Deltics were then in production it was decided to produce the locomotive on the same production line; the bodyshell used for DP2 reputedly being the eighteenth made.
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