HARNESS AS-PLATFORM 3778142 - Caterpillar

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Caterpillar Engines are identified by serial numbers and by arrangement numbers. These numbers are shown on the engine serial number plate and on the engine identification plate. Caterpillar dealers need these numbers in order to determine the components that were included with the engine. This permits accurate identification of replacement part numbers.Engine Serial Number (1)
The engine serial number plate is located on the left side of the engine block near the front at the bottom of the water jacket.Engine Serial Number ____________________Engine Identification (2)
The engine identification plate is located on the exhaust manifold on the side of the engine that is used for service.Engine Serial Number ____________________Engine Arrangement Number ____________________Engine Modification Number ____________________The engine identification plate also contains other important information about the engine.