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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 information 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.
The engine serial number plate is located on the right side of the engine block near the rear of the engine.
Engine serial number ____________________
Engine model ____________________
Arrangement number ____________________
The engine information plate is located on the valve cover.
Setpoint of the engine altitude derate ____________________
Horsepower ____________________
High idle ____________________
Full load engine speed ____________________
Fuel settings ____________________
The engine identification plate also contains other important information about the engine.