These engines are usually to be found on a variety of industrial and utility applications such as Tillers, Rotovators,
Large Cylinder Mowers, Cement Mixers, Generators, Pumps, Compressors, Winches etc.
They are overhead valve with the spark plug set deep to one side or the top of a rocker cover.
The fuel tank will be mounted directly on top.
They generally have a "Vanguard" sticker fairly prominently placed,
together with their Horse Power number - 8HP, 9HP, 10HP, 11HP or 13HP
The cylinder and piston are at 45 degrees to the vertical giving the engine a compact look
The pull start will be on the side with the crankshaft emerging horizontally on the opposite side.
The Model, Type and Code numbers are stamped into the side or top edge of the rocker cover or
are etched into a narrow aluminium plate that is rivited to the cowling beside the starter housing
The Model number will begin with 16,18,19,23 or 24