Caterpillar engines are identified with serial numbers, with performance specification numbers, and with arrangement numbers. In some of the cases, modification numbers are used. These numbers are shown on the Serial Number Plate and the Information Plate that are mounted on the engine.
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.
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| Illustration 1 | g00735499 |
| (1) Location of the Serial Number Plate | |
The Serial Number Plate is on the left side of the cylinder block near the rear of the engine.
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| Illustration 2 | g00123229 |
The following information is stamped on the Serial Number Plate: engine serial number, model and arrangement number.
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| Illustration 3 | g00735560 |
| (1) Location of the Information Plate | |
The Information Plate is on the left side top surface of the cylinder block in front of the front cylinder head.
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| Illustration 4 | g00102789 |
The following information is stamped on the Information Plate: the maximum altitude of the engine, horsepower, high idle, full load rpm, fuel settings and other information.
The generator identification and information plate is located on the left side of the generator.
When service is required, the information that is given on this plate should be used. The generator identification and information plate includes the following information: serial number, model number and the rating of the generator set. The generator set consists of the engine and generator. All pertinent generator data is also included on the plate in order to provide the information that is necessary to order parts.
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| Illustration 5 | g03656026 |
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Generator Identification Plate | |
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| Illustration 6 | g03656033 |
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Serial Number Plate | |
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| Illustration 7 | g03656078 |
The PIN plate is located on the front, right side of the generator terminal box.