Yanmar 6HA2M-WDT Marine Engine

The Yanmar 6HA2M-WDT marine engine is a robust, high-performance inboard diesel propulsion system engineered for commercial vessels that demand dependable power and long service life. Built on Yanmar’s proven HA-series platform, this 6-cylinder, 4-stroke engine features direct fuel injection, turbocharging, and intercooling technology to deliver strong torque and consistent performance across a wide operating range. With a displacement of approximately 13.14 liters and an output of up to 405 horsepower at 1950 rpm, the engine provides excellent load response and stable cruising even under demanding marine conditions.

Designed specifically for workboats, fishing vessels, ferries, and utility craft, the 6HA2M-WDT incorporates a long-stroke configuration that enhances low-speed torque and fuel efficiency while maintaining smooth engine operation. The advanced combustion design, optimized cylinder head geometry, and precision fuel injection system contribute to reduced fuel consumption and lower emissions, meeting IMO Tier II environmental standards.

Durability and ease of maintenance are key strengths of this engine. Heavy-duty internal components, efficient heat-exchanger cooling, and a mechanical control system ensure reliable performance with minimal electronic complexity, making it suitable for continuous commercial use in harsh marine environments. Large inspection openings and service-friendly component placement simplify routine maintenance, reducing downtime and operating costs.

The engine can be paired with Yanmar marine gearboxes such as the YX-120 or YX-120L, offering multiple reduction ratios and flexible installation options to suit different vessel configurations and propulsion requirements. Overall, the Yanmar 6HA2M-WDT delivers a combination of power, efficiency, and rugged reliability that makes it a trusted choice for professional marine operators worldwide.