Dennis Specialist Vehicles is a major British manufacturer of specialised commercial vehicles and is based in Guildford, England. Dennis is however most famous for its fire engines, although its other major product lines are buses and trucks.
Dennis was founded as Dennis Brothers in 1895 and has a in recent years had several other owners. At this moment the original Dennis is split up in Dennis Bus and Dennis Fire (as of 2001 jointly called Alexander Dennis) and Dennis-Eagle. For the Dennis buses, see our bus and coach site, link at bottom of this page.
Dennis is a well known and popular manufacturer and has a large fan-base in the UK, hence the many hundreds of photos on the Fire Engine Photos site of 'the Dennis', old and new....
Wakefield - P - FHL 650
As requested, here's an in service shot of FHL 650, Wakefield's Dennis F8.
Another photo of...
UKAEA - Aldermaston
Here's the UKAEA Aldermaston machine, and later in its life it passed to UKAEA Winfrith.
A Dennis/Pyrene appliance for the AWRE. It carried Argon and CO2