Thanks for the replies guys.
I actually have a 1/24th scale Eurotrotter cab but it was when I was searching for inspiration to build it that I came across the Bowker ones.
I wanted to keep it as a UK truck and, as the Bowker one is “different”, that took my eye.
I have sent e-mails to both Bowker and Volvo but without any success.
I shall have to look for one of those brochures now…!!
Thanks again.