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Specific Model #
If Last Digit is an Odd Number, Starter Is Located Opposite of Blower.
If Last Digit is an Even #, Starter is Located Same Side of Blower.
2, 3 & 4-53 Basic Engine Arrangements
Rotation: R (right) & L (left) designates rotation as viewed from the front of the engine.
Type: A-B-C-D designates location of exhaust manifold & blower as viewed from the flywheel end of the engine.
On the in-line engines, the model # & serial # are stamped on the right-hand side of the cylinder block in the upper rear corner.
An example of a Series 4-53 serial # is 04DXXXXXXX. Engines built in Brazil have a serial # prefix of 3DB (three cylinder), & 4DB (four cylinder). The engine serial # is required when placing a parts order.
Model # 5043-5100 is interpreted as follows: Series 53 Engine (5), four cylinder (04), industrial, fan to flywheel (3), right-hand rotation with "A" accessory arrangement (5), two-valve head engine (1), & specific model # 00 (00).