page_title: Dennis Specialist Vehicles
section_title: Fire engines
hierarchical_section_title: Dennis Specialist Vehicles / Products / Fire engines
caption_attribution_description: English: LP8389 is a 1916-built Dennis N-type fire engine owned by the Royal College of Science Motor Club following the 2008 London-to-Brighton veteran car run at Handcross, West Sussex, England
context_page_description: Dennis Brothers Limited was an English manufacturer of commercial vehicles based in Guildford, building buses, fire engines, lorries and municipal vehicles such as dustcarts. All vehicles were made to order to the customer's requirements and more strongly built than mass production equivalents. For most of the 20th century Dennis Brothers was Guildford's main employer.
  Following a decade of financial difficulties original shareholders sold out in 1972 and Dennis's ownership has since passed through quite a number of hands. The Woodbridge site was sold and a new small factory built in Slyfield remains in use by lineal business descendant, bus-maker Alexander Dennis. No Dennis haulage trucks have been built since 1985. The last Dennis fire engine left the Guildford factory in 2007.
  The Dennis brand is still used on Alexander Dennis buses and Dennis Eagle dustcarts.
context_section_description: Dennis fire engines were noted, from their 1908 outset, for their use of a Gwynnes made centrifugal pump or 'turbine' as a water pump, rather than the piston pumps used by other makers. This was more complex to build than the long-established piston pumps, but had advantages in operation. Where water was supplied under pressure from a hydrant, rather than by suction from a pond, this additional pressure was boosted through the centrifugal pump, whereas a piston pump would have throttled it. Piston pumps also gave a pulsating outlet pressure which required an air-filled receiver to even this out.
  The Karnataka Fire and Emergency Services owns a pumper that was built by Dennis Brothers and delivered to the erstwhile Kingdom of Mysore in 1925 from England.
  N-Type 1905-1920s
  G-Type
  Big Four
  Big Six
  Light Four
  Ace
  F series - 1946-1970s
  Delta
  D series
  DS series - 1980s-1990s
  R series - 1976-?
  RS series - 1978-1990s
  SS series - 1981-1990s
  DF series
  DFS series
  TF series
  TSD series
  Sabre - 1995-2007
  Rapier - 1991-?
  Dagger - ?-2007
caption: 1916 N-Type fire engine Jezebel
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