The British Rail Class 20, otherwise known as an English Electric Type 1, is a class of diesel-electric locomotive. In total, 228 locomotives in the class were built by English Electric between 1957 and 1968, the large number being in part because of the failure of other early designs in the same power range to provide reliable locomotives.

The Class 20, officially known as the English Electric Type 1, was the first mass-produced British mainline diesel locomotive. It was at the top end of performance class 1 with a maximum of 1,000 hp and was intended for lighter operation with mixed freight trains. Thus, a boiler for passenger trains was dispensed with and the power was drawn ...

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The British Rail Class 20, originally known as an English Electric Type 1, was a class of diesel electric locomotive. 228 locomotives in the class were built by English Electric between 1957 and 1968 .

The British Rail (BR) Class 20, otherwise known as an English Electric Type 1, is a class of diesel-electric locomotive. A total of 228 locomotives in the class were built by English Electric between 1957 and 1968, the large number being in part because of the failure of other early designs in the same power range to provide reliable locomotives.

Built by English Electric between 1957-1968, the 1,000 horsepower Bo’Bo’ diesel-electric BR Class 20 (English Electric Type 1) diesel-electric locomotive entered service on many regions around the British Rail network, and boasted unmatched performance and reliability in any task.

The British Rail (BR) Class 20, otherwise known as an English Electric Type 1, is a class of diesel-electric locomotive. In total, 228 locomotives in the class were built by English Electric between 1957 and 1968, the large number being in part because of the failure of other early designs in the same power range to provide reliable locomotives.

1993年1月4日 · The British Rail Class 20, otherwise known as an English Electric Type 1, is a class of diesel-electric locomotive. In total, 228 locomotives in the class were built by English Electric between 1957 and 1968, the large number being in part because of the failure of other early designs in the same power range to provide reliable locomotives.

The BR Class 20 locomotive was a Co-Co (three-axle bogie) diesel-electric locomotive with a top speed of 75 mph. It weighed 78 tonnes and measured 18.97 meters in length. It was powered by a Sulzer 12LDA28 diesel engine which produced 1,000 horsepower at 750 rpm.

Class 20 diesel locomotives are powered by English Electric 8SVT engines, 746 kW (~1000 hp) at 850 rpm, power at rail is 574 kW (770 hp). The Class 20 transmission is electric via four EE 526/5D axle-hung traction motors.