Alex Moulton, inventor of the Hydrolastic and Hydragas suspension systems as well as numerous other ideas, has died aged 92: Read the obituary here
Welcome to The Hydragas Register
The place to find information and services for Hydrolastic and Hydragas suspension.
HydragasHydragas Register

Local services

Thanks to enthusiasts everywhere sending us information, we have a database of garages and individuals who can offer a Hydrolastic or Hydragas pump-up on your car.

Find a pump-up service by selecting your area below.

Please note JavaScript is required for the use of the search and some other features on this site. Javascript is currently

View the full list: UK Rest of World

It's completely free to add yourself or your garage to the Hydragas Register, and garages have the option of paying £10 for a sponsored entry. Click here to find out more or add an entry.

Parts and data

Pick a car for technical data.

Morris Mini Austin Morris 1100 Austin Allegro Austin Metro Rover Metro MGF

Other cars

Lowering and stiffening


Articles available on this site:

You will need a PDF reader such as Adobe Reader to read PDF documents.

Lowering and stiffening

Build or buy your own pump

Australian Mini Cooper S Hydrolastic (PDF)

Hydragas for Dummies (PDF)

Death through dehydration (PDF)

Hydrolastic Repair (PDF)

Another 1800 Metro Miles (PDF)

History of Hydrolastic and Hydragas suspension


Alex Moulton: Bristol to Bradford-on-Avon lifetime in Engineering. ISBN: 978-1872922393.

Making Cars at Longbridge. ISBN: 978-0752437415

Alec Issigonis: The Man Who Made the Mini. ISBN: 978-1859834497

Information needed!

We need information on Churchill Hydrolastic suspension pumps. For more information, please click here.


If you know of a garage or individual offering a Hydrolastic and Hydragas pump-up service that isn't listed, please send it in. We also welcome any articles, how-to guides, general suggestions and comments.

About this site

Valid XHTML 1.0 Transitional   Valid CSS!   Melville ezines

  View Website Stats

Check out our other site: UK Car Factory Tour.
Common rail diesel

Garage Owners and other members of the Motor Trade please visit the Trade Section.