Yanmar 6LY440 Inboard Diesel Engine
Experience the pinnacle of inline-six marine power with the Yanmar 6LY440 Inboard Diesel Engine. Delivering a potent 440 horsepower, this engine is designed for semi-planing and planing yachts that demand high-speed cruising and maximum reliability. The Yanmar 6LY440 maintains the legendary slim profile of the 6LY Series, making it highly suitable for tight engine rooms. Its turbocharged and intercooled design, combined with robust construction, ensures exceptional power density, fast throttle response, and remarkable longevity. Choose this Yanmar Inboard Diesel Engine for its blend of high output, fuel efficiency, and race-proven durability.
| Product Details | |
|---|---|
| Model | Yanmar 6LY440 |
| Engine Type | 4-stroke, inline 6-cylinder, water-cooled turbocharged diesel |
| Cylinders | 6 |
| Displacement | 5.8 L |
| Power Output | 440 HP (324 kW) @ 3300 RPM |
| Fuel System | Common Rail Direct Injection |
| Cooling System | Fresh water cooling with heat exchanger |
| Starting System | Electric Start |
| Drive Type | Shaft Drive |
| Turbocharger | Yes, with intercooler |
| Emission Compliance | EPA Tier 3, EU RCD II, IMO Tier II |
| Weight | Approx. 640 kg (without gearbox) |
| Applications | Luxury yachts, patrol boats, high-speed commercial vessels |
| Warranty | 2-Year Limited Warranty for Recreational Use |
| Brand | YANMAR |












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