The Caterpillar D342 is a robust diesel marine engine designed for demanding applications. This naturally aspirated, inline 6-cylinder engine features a 5.4-inch bore and 6.0-inch stroke, with a displacement of 21.4 liters (1308 cubic inches). It is capable of producing approximately 300 horsepower at 1800 RPM and offers flexible cooling system options, including raw water or keel cooling. Known for its engineering quality and reliability, the D342 is built to perform in challenging marine environments.

This manual provides comprehensive guidance for the maintenance, operation, and lubrication of the Caterpillar D342 marine engine. It covers essential information such as engine specifications, lubrication requirements, filter types, and coolant recommendations. The manual is designed to assist owners, mechanics, and technicians in effectively maintaining and repairing the engine, ensuring its optimal performance and longevity. With 249 pages of detailed information in English, this resource is an indispensable tool for managing your D342 engine.