Cummins 6BTA5.9-M Fully Reconditioned Marine Engine

6B5.9 Marine Cummins engine 330HP 2800 RPM fully rebuilt, painted, dyno tested, ready for a new boat to go and live in.

The Cummins 6BTA5.9-M is an inline six-cylinder, turbocharged, and after-cooled diesel engine. It belongs to the B Series of engines and has been widely used in various marine applications due to its reliability, durability, and fuel efficiency.


Key features and specifications:

The Cummins 6BTA5.9-M is a six-cylinder engine with a displacement of 5.9 litres (or approximately 359 cubic inches). It operates on a four-stroke combustion cycle.


Power Output:

The power output of the 6BTA5.9-M engine can vary based on its marine application and setup. This particular set-up produces 315 horsepower (HP) for marine propulsion.


Turbocharged and Aftercooled:

Like many modern diesel engines, the 6BTA5.9-M features both a turbocharger and an aftercooler. The turbocharger increases the intake air pressure, while the aftercooler cools the compressed air before it enters the engine. This combination improves the engine's performance and fuel efficiency.


Marine Certified:

The "M" in the engine's name indicates that it is specifically designed and certified for marine use. These marine engines are built to withstand the harsh conditions of marine environments, including the corrosive effects of saltwater.


Marine Applications:

This engine is commonly used to power various types of marine vessels, including fishing boats, tugboats, pleasure craft, and small commercial vessels.


Durability and Reliability:

Cummins engines are renowned for their durability and reliability, making the 6BTA5.9-M suitable for continuous operation in demanding marine applications.