InLine 53 Series Model Identification Chart

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Series Inline 53 Model Description Chart
Application, Rotation and Design Variations

0 4

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Series
53

Number
Of
Cylinders

Application
Designation
(see below)

Basic Engine
Arrangement
(see below)

Design
Variation
(see below)

Specific
Model
Number

Application Designation

5042 - 5100 Marine
5043 - 5100 Fan to F/W Industrial
5044 - 5100 Power Base
5045 - 5100 Generator

Design Variation

5043 - 5000 "N" Engine
5043 - 5100 2 Valve Head
5043 - 5200 4 Valve Head
5043 - 5300 Turbocharged

Specific Model Number

If Last Digit is an Odd Number, Starter Is Located Opposite of Blower.

If Last Digit is an Even Number, Starter is Located Same Side of Blower.

2, 3 and 4-53 Basic Engine Arrangements
Rotation: R (right) and L (left) designates rotation as viewed from the front of the engine.
Type: A-B-C-D designates location of exhaust manifold and blower as viewed from the flywheel end of the engine.

ALL VIEWS FROM REAR (FLYWHEEL) END OF ENGINE

On the in-line engines, the model number and serial number are stamped on the right-hand side of the cylinder block in the upper rear corner.

An example of a Series 4-53 serial number is 04DXXXXXXX. Engines built in Brazil have a serial number prefix of 3DB (three cylinder), and 4DB (four cylinder). The engine serial number is required when placing a parts order.

Model number 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), and specific model Number 00 (00).