Class 170 'Turbostar' DMU PB
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Technical
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The
new generation Class 170 multiple units were built at Derby and feature a
welded aluminium body structure and hydraulic transmission. Each vehicle is powered
by a 422 Horsepower diesel engine providing a maximum unit speed of 100MPH.
There are no un-powered trailer vehicles.
The engine and
transmission are situated under the body and provide drive to one bogie per
vehicle. Class 170 units use a BSI automatic coupling to work in multiple and
are also compatible with British Rail classes 150, 156 and 158 Sprinters.
Class 170 units
have been categorised into six sub-classes all with the same basic
specifications - the differences are seating arrangements specified by the
different operators. This can vary the unit weights by up to 2 tonnes.