Cummins QSB6.7-SW Commercial And Light Duty Marine Propulsion Engine

• Make: Cummins
• Model code: QSB6.7-SW
• Engine speed: 2600 ~ 3300 RPM
• Power output: 169 ~ 404 KW
• Meets regulations/compliance: IMO Tier II

Quiet operation, including an 80-percent reduction in noise at idle, is one of the many benefits from the common-rail fuel system Enhanced sociability from the high-pressure common-rail design virtually eliminates smoke and improves the whole boating experience Front-mounted filters. Oil service interval increased to 500 hours if using ULSD fuels Single loop, low temperature aftercooling eliminates the need for two keel coolers and lowers emissions Tube and shell heat exchanger designed for superior durability and ease of service with minimal maintenance requirements Cast water cooled exhaust manifold for lower surface temperatures, safety and improved performance 24v Quantum System electronics feature a proven ECM to monitor operating parameters such as fuel consumption, duty cycle, engine load and speed, while providing diagnostics, prognostics and complete engine protection Simplified electrical customer interface box for all vessel connections to reduce installation complexity Complies with U.S. EPA Tier 3 emissions regulations without the use of aftertreatment Designed to meet the International Association of Classification Societies (IACS) and SOLAS requirements IMO Tier II certified