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Engine Identification
Caterpillar engines are identified with serial numbers, fuel system setting numbers, and arrangement numbers. In some cases, modification numbers are used. These numbers are shown on the serial number plate mounted on the engine.Caterpillar dealers need all of these numbers to determine which components were included on the engine when it was assembled at the factory. This permits accurate identification of replacement part numbers.Quality Caterpillar replacement parts are available from Caterpillar dealers throughout North America and the world. Their parts stocks are up to date and include all parts normally required to protect your Caterpillar engine investment.Serial Number Plate
The Serial Number Plate is located on the rear of the cylinder block.Information Plate
The Information Plate is located on the left side of the cylinder block, or on the valve cover.Generator Identification
The generator serial number plate is located on the barrel of the generator. Typical generator serial number plate.Reference Numbers
Ordering Parts
When ordering parts, your order should specify the quantity, part number, part name and serial number, arrangement number and modification number of the engine for which the parts are needed. If in doubt about the part number, please provide your dealer with a complete description of the needed item.When service or maintenance is needed for your Caterpillar engine, be prepared to give the dealer all the information that is provided on the Information Plate.Discuss the problem with the dealer, such as when it occurs, what happens, etc. This will help the dealer in troubleshooting and solving the problem faster.