The Cummins QSB6.7 380HP Marine Diesel Engine is a powerful 6.7L inline 6-cylinder marine diesel engine designed for dependable propulsion in commercial vessels, cruisers, workboats, fishing boats, patrol craft, and repower projects. It delivers 380 HP from a 4-stroke diesel platform with turbocharging, seawater aftercooling, Bosch high-pressure common rail fuel injection, and heat exchanger cooling with keel cooling optional. Built for strong torque, efficient fuel delivery, EPA Tier 3 marine compliance, and flexible 12V or 24V electrical integration, the QSB6.7 is a serious choice for buyers who need reliable Cummins marine diesel performance.
The Cummins QSB6.7 305HP Marine Diesel Engine is a high-performance marine power unit engineered to deliver reliable propulsion, efficient fuel consumption, and consistent output under demanding conditions. It is designed for vessel owners and marine professionals who require dependable engine performance for both commercial and recreational applications.
The Cummins QSB6.7 355HP Marine Diesel Engine is a compact 355HP marine diesel engine designed for inboard marine propulsion, repower projects, commercial boats, fishing vessels, cruisers, and workboats. It uses a 6.7-litre inline 6-cylinder 4-stroke diesel platform with turbocharged performance, seawater aftercooling, Bosch High-Pressure Common Rail fuel delivery, and EPA Tier 3 marine certification. Built for buyers who need strong torque, efficient diesel power, and trusted Cummins marine reliability, this engine is a practical choice for demanding marine applications.
The Cummins QSB6.7 250HP Marine Diesel Engine is a proven marine propulsion engine designed for commercial vessels, fishing boats, patrol craft, workboats, and recreational cruising applications. Built on Cummins' highly respected 6.7-liter inline 6-cylinder platform, this engine delivers dependable power, outstanding fuel efficiency, and long-term durability. Featuring Bosch High-Pressure Common Rail fuel injection, turbocharging, and seawater aftercooling technology, the QSB6.7 provides smooth performance and reliable operation in demanding marine environments.