Each set have eight motor and four trailer cars, all with aluminium bodies.
The aluminium body made the car very light, allowing a top speed of 85 mph to be reached.
The aluminium body is 12 per cent lighter than if built of steel, which helps keep fuel consumption down.
The third rail is composite, with an aluminium body and a steel contact surface.
The production trains featured aluminium bodies, and the first six sets were painted.
An aluminium panelled body and glass fibre wings completed the car.
They were built with an aluminium body on a steel frame.
It had a 6.8 Chrysler engine, an aluminium body, and he drove it very fast.
Some cars were built with an aluminium body instead of the standard steel body.
However, more recent trains have a blue colored line on unpainted stainless steel or aluminium bodies.