Hi David, no I am afraid not, I thought that if it was Roger then he would of been one of the few people who would of known the answer to that question.
Not even a refrigeration specialist from Hull would of known the answer to that one. 
Great photo B.T.W. Robert, I havent seen that one before although I think that the driver was Billy Fuller.
Here is a photo of Billy and one of David’s old work mates Corrie, working on one of Corrie’s old trucks which was a Fiat .
Ramnicu Valcea, Romania.
Regards Steve.