A visit to Kempton is a unique experience and one you will never forget. No photograph or video can do justice to the breathtaking sight of the world’s largest working triple-expansion steam engine in action. Come and see the huge 33-ton flywheels spinning round on their 30-ton crankshaft and watch the massive con rods rise and fall in rhythmic splendour. At 62 feet high, and weighing 1,000 tons each, the engines are each the size of a block of flats.
Of the two Triples, one has been fully restored to working order and the other is maintained as a static display for guided tours. Our trained volunteers will lead you on a walk through engineering time, explain the many features of the magnificent Triples and take you to the very top, where you can take spectacular photographs.
The engines were built by Worthington-Simpson of Newark, near Nottingham, and officially commissioned in 1928 in the purpose-built Art Deco engine house. The site was closed down by Thames Water in 1980 and declared a National Monument by English Heritage and, along with its contents, is listed Grade II*. In 1995, the Kempton Great Engines Trust was formed with the aim of restoring and maintaining the magnificent engine house and its contents for posterity.
Before the museum could be opened to the public, an army of volunteers spent six years and 100,000 man hours restoring Triple No.6. HRH The Prince of Wales started the restored engine for the first time in 2002. A further two years were then spent preparing the building before the public opening and first steaming weekend in October 2004. For steaming dates, click here.
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