Cat dealers need these numbers in order to determine the components that were included with the engine. The serial number ensures accurate identification of replacement part numbers.
Serial Number Plate
Serial number plate
Right side view of a typical C7 Engine
The serial number plate is located on the right side of the engine. The serial number plate is located toward the rear of the cylinder block.
Left side of a typical C9 Engine
The serial number plate is located on the left side of the engine block. The serial number plate is behind the engine control module (ECM). The ECM has been removed from this engine in order to view the serial number plate.
The Information Plate is on the front cover. The following information is on the Information Plate: engine serial number, engine model, engine arrangement number, maximum altitude of the engine that is possible to achieve the rated power, horsepower, high idle, full load rpm, fuel settings and other information.