Dual-Fuel Engine (Marine) · Main Engines (4-Stroke)
The 8EY35DF is a 8-cylinder marine propulsion dual-fuel engine (bore x stroke 350x440mm) rated for shaft output of 4240kW at 750 min-1. It can run on LNG, Fuel oil A, or optionally Fuel oil C, switching between diesel and gas modes even at 100% output without restricting power. The engine is IMO Tier III / SOx-ECA compliant, using a micro-pilot fuel injection valve and gas injector alongside the main fuel injection valve. Yanmar 8EY35DF is a marine dual-fuel engine using micro-pilot fuel compression ignition, able to run on diesel or natural gas. It complies with IMO Tier III NOx limits and SOx Emission Control Area requirements without exhaust after-treatment in gas mode. Shaft output is 4080 kW at 720/750 min-1, with a displacement of 338.7 L and mean effective pressure of 2.01 MPa.
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