[G-CPTN]

Now it's Caterpillar's Artix plant:- http://www.bbc.co.uk/news/uk-england-wear-19660869

This is the plant established in 1973 by David J B Brown building articulated dump-trucks that was sold to Caterpillar in 1985, allowing him to buy Bedford (which became AWD).

http://tractors.wikia.com/wiki/Artix#David_J_B_Brown