Leyland coded the Worldmaster RT, export versions were prefixed E, unless they had the low ground-clearance frame, prefixed C, designed for paved-road markets which required lower step heights, this had a different method of spring attachment to give the lower height.
Operators in every inhabited continent bought Worldmasters, big markets were western and southern Africa, Australia, South and Central America, the Middle East (notably Israel), the Caribbean and Continental Europe, both Eastern and Western bloc.