Morris PU: BEF Dunkirk? Unit, registration?

[Ian McCallum]

it is well illustrated in various photos that there were two types of modification to expand the width of the front wings to accept the 900x13 wheels. I know they were all produced within an effective eight month window but it seems there was possibly two trains of thought throughout the total period regarding 'cut and shunt' or fit 'spat' type extensions rather than being limited to a certain period during manufacture. My example being mid way through the first contract, this one well into the second contract