Technical and Historical Specifications

Introduced 1935 to a design by Sir William A Stanier FRS for the London Midland and Scottish Railway.

Used mainly for heavy, long-distance freight trains.

849 locomotives of this type constructed, of which 666 passed into service with British Railways.

 4mm Drawing

 4mm Tender Drawing

 8F Valve Events

8F Valve Gear

Boiler

 Weight Diagram

Below are a selection of technical drawings, and links to additional information regarding significant dates and diagrams:

• Engine diagrams - Click here
• History of BR 8Fs - Click here
• 8Fs built for War Department - Click here