DP2, meaning Development Prototype number 2, was a prototype Type 4 mainline diesel locomotive, built by English Electric in 1962. DP2 was effectively the prototype for the later Class 50; it trialled the engine and electronic systems later used in that class of locomotives.
DP2 at Bradford Exchange, 1967
DP2 at Crewe around 1962.
DP2 at King's Cross, 1963.
The British Rail Class 50 is a class of diesel locomotives designed to haul express passenger trains at 100 mph (160 km/h). Built by English Electric at the Vulcan Foundry in Newton-le-Willows between 1967 and 1968, the Class 50s were initially on a 10-year lease from English Electric Leasing, and were employed hauling express passenger trains on the then non-electrified section of the West Coast Main Line between Crewe and Scotland. Initially numbered D400–D449 and known as English Electric Type 4s, the locomotives were purchased outright by British Rail (BR) at the end of the lease and became Class 50 in the TOPS renumbering of 1973.
A Class 50 at Birmingham New Street in 1987
50010 at Reading General in 1974
50048 Dauntless naming ceremony at Reading,1978
50043 Eagle hauling the morning express across the Penadlake viaduct on 29 August 1987
