The British Rail Class 55, also known as a Deltic, or English Electric Type 5, is a class of diesel locomotive built in 1961 and 1962 by English Electric for British Railways. Twenty-two locomotives were built, designed for the high-speed express passenger services on the East Coast Main Line (ECML) between Edinburgh and London King's Cross .

英國鐵路55型柴電機車（British Rail Class 55 ），暱稱「三角（Deltic）」 ，是英国电氣公司于 1961 年和 1962 年为英国铁路公司建造的柴電机车。 本型車設計用於 爱丁堡 和倫敦國王十字車站的 东海岸主线 上的高速快速客运服务。

英國鐵路55型柴電機車（British Rail Class 55 ），暱稱「三角（Deltic）」 ，是英國電氣公司於 1961 年和 1962 年為英國鐵路公司建造的柴電機車。 本型車設計用於 愛丁堡 和倫敦國王十字車站的 東海岸主線 上的高速快速客運服務。

The British Rail Class 55 is a class of diesel locomotive built between 1961 and 1962 by English Electric. They were designed for the high-speed express passenger services on the East Coast Main Line between London King's Cross and Edinburgh .

2020年12月5日 · In 1955, an ambitious Rail Modernisation Plan was launched, with promises of new investment in diesel locomotives and electrification of key routes, but delivery was slow and the results disappointing. A range of prototype locomotives was built by the locomotive industry in the hope of fleet orders.

Built by English Electric between 1961-1962, the Class 55 “Deltic” was the saving grace for the East Coast Main Line, and was at one point, the most powerful locomotive in the world. In the late fifties during the height of modernisation, British Rail capital was scarce and the agency sought to replace the remaining steam power on the ECML ...

The British Rail Class 55 are a class of diesel locomotive built in 1961 and 1962 by English Electric at the Vulcan Foundry. Class 55 locomotives were designed for the high-speed express passenger services on the East Coast Main Line between London King's Cross, York, Leeds, Newcastle and Edinburgh.

The British Rail Class 55 is a class of diesel locomotive built in 1961 and 1962 by English Electric for British Rail. They were designed for the high-speed express passenger services on the East Coast Main Line (ECML) between Edinburgh and London King’s Cross.

The BR Class 55 was a class of diesel locomotive built in 1961 and 1962 by English Electric for British Rail. They were designed for the high-speed express passenger services on the East Coast Main Line (ECML) between Edinburgh and London King's Cross. They gained the name "Deltic" from the...

The British Rail Class 55, also known as a Deltic, or English Electric type 5, is a class of diesel locomotive built in 1961 and 1962 by English Electric for British Railways. They were designed for the high-speed express passenger services on the East Coast Main Line (ECML) between Edinburgh and London King's Cross.