British Rail Class 172

Ranked #187 on the list Best Locomotive class of All Time

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About British Rail Class 172

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The Class 172 is a British diesel multiple-unit (DMU) train type of the Turbostar family, similar to the Class 168, Class 170 and Class 171. It was built by Bombardier Transportation at its Derby Works. There will be four sub-types: The 172/0s and 172/1s resemble the existing Turbostar trains in not having end gangways. These trains have a maximum speed of 100 mph (160 km/h). The Class 172/2s and 172/3s used by London Midland resemble the Class 375, Class 377 and Class 379 Electrostars by having end gangways to allow access between units. These trains have a maximum speed of 100 mph (160 km/h). The Class 172 trains are lighter than other Turbostars thanks to the addition of lightweight bogies similar to those on the Class 220 Voyager trains. They also differ from earlier Turbostars in having mechanical transmission rather than hydraulic - gear changes can be distinctly heard as the trains accelerate and decelerate. Class 172s have fewer seats than the Class 150s they replace, but greater overall capacity due to the increased room for standing passengers as well as wider aisles intended to speed boarding and alighting and reduce waiting time in stations. The trains are

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