Logo: BSA Logo
B40FT B40 Military - 1965
B40GA WD B40 Australian Army MK 1 - 1967
B40GB WD B40 British Army MK 1 - 1967-70
B40GN WD B40 British Navy MK 1 - 1969 - 70
B40GR WD B40 British Air Force MK 1 - 1968 - 70
B40M B40 Military MK 2 - 1968-69
B40GD WD B40 Danish Army MK 1 - 1967-68
B40GD WD B40 Danish Army MK 1 - 1969-70
For civilian production machines, from 1969 onwards date prefixes were added. But this did not apply to production WD B40 machines - evidence shows only late production factory spare engines used this lettering.
The first letter denotes the month:
The second letter gives the year from August to July:
Image: BSA WD B40 Engine
This is the text-only version of this page. Click here to see this page with graphics.
Edit this page | Manage website
Make Your Own Website: 2-Minute-Website.com