Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 146,952 pages of information and 232,838 images on early companies, their products and the people who designed and built them.
Note: This is a sub-section of ERF.
The E Series was available with Cummins diesels and Rolls Royce diesels, who later became owned by Perkins.
It was then that the ERF logo was relocated to the upper left of the grill and a badge denoting the engine size was placed on the lower right of the grill. The models being E9, E10, E12, E14 etc meaning E series plus the number denoting the engine size.