HYDRAULIC AR 4543712 - Caterpillar

Engine Identification
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 to determine the components that were included with the engine. The aforementioned information permits accurate identification of replacement part numbers.Engine Information Plate
Illustration 1 g06164803The engine information plate is on the left side of the valve cover.Serial Number Plate
Illustration 2 g06164859
Serial number plate
Illustration 3 g06293192
Serial number plate location
(1) Serial number plateThe serial number plate is on the right side of the cylinder block near the sump, in the middle of the block.