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Yanmar Marine Engines

Yanmar are redefining the global standards of common rail marine engines. Their unique system delivers in performance, efficiency and endurance while never compromising on comfort and safety. As a complete package this delivers a low cost of ownership without affecting power and speed.

Built without compromise, their full range of diesel engines can be found below. All of these engines are available through Sleeman and Hawken. Along with supplying the engines, we can also support any maintenance with our genuine spares, most available for despatch from stock should a problem arise.

Yanmar 4LV Series Common Rail Marine Engines

The 4LV series engine raises the standard for engines in its class, with exceptionally low noise and vibration alongside the 2.8 L displacement delivering powerful low-end torque and stunning acceleration.

By exceeding the strict EPA Tier 3 and EU RCD Stage 2 emissions regulations, the engines feature a virtually odor-free and smoke-free operation. Direct connectivity to NMEA and J1939 CAN-bus networks has been purpose engineered into the 4LV range, allowing future-proofed integration to any multifunction bridge display.

Over and above the impressive performance, the resounding benefit of the 4LV Series remains its versatility, with all models available with multiple shaft and jet drive options and the durable YANMAR ZT370 sterndrive. Fulfilling needs across all boating applications, it is the perfect solution for new builds and repowering.

  • Specifically designed for sailing yachts over 50ft, super yacht tenders, small motor boats and light-duty commercial* vessels
  • Powerful low-end torque performance, delivering superior acceleration
  • Exceeds EPA Tier 3 and EU RCD Stage 2 emissions regulations
  • Measures exceptionally low for smoke, odor and noise emissions
  • Direct connectivity for plug-and-play integration
Yanmar 4LV150 Marine Diesel Engine

4LV150


150 mhp
110 kW
3500 rpm

Yanmar 4LV150 Marine Diesel Engine

4LV170


170 mhp
125 kW
3500 rpm

Yanmar 4LV150 Marine Diesel Engine

4LV195


195 mhp
143 kW
3500 rpm

Yanmar 4LV150 Marine Diesel Engine

4LV230


230 mhp
169 kW
3500 rpm

Yanmar 4LV150 Marine Diesel Engine

4LV250


250 mhp
183 kW
3500 rpm

Yanmar JH-CR Series Common Rail Marine Engines

Demonstrating YANMAR’s ‘5x best in class’ features – Clean, Interconnective, Quiet, Powerful, Fuel Efficient – the 4JH-CR series sets the global standard in sailboat and small craft propulsion.

Utilizing the long-established TNV industrial YANMAR block as the durable foundation, the 4JH-CR marine series incorporates an advanced custom-built Bosch common rail fuel injection system, this brings the advantages of common rail technology to sailboats and smaller craft, exclusively from YANMAR for this horsepower range.

With 4 power ratings across one design, the 4JH-CR engine is the perfect solution to fit across a wide variety of boats sizes and applications. And with a similar footprint to previous models and competition alike, it is the ideal choice for repowers.

  • Genuine YANMAR-based engine featuring a custom-designed common rail system
  • Advanced fuel injection technology for sailboats and smaller motorboats and commercial vessels
  • Sets the global standard in sailboat and small craft propulsion
  • Wide range of power ratings in one model to fit a variety of applications
  • Versatile control options with mechanical control as standard and option to upgrade to electronic controls
Yanmar 3JH40 Marine Diesel Engine

3JH40


40 mhp
29.4 kW
3000 rpm

Yanmar 4j80 Marine Diesel Engine

4JH45


45 mhp
33.1 kW
3000 rpm

Yanmar 4j80 Marine Diesel Engine

4JH57


57 mhp
41.9 kW
3000 rpm

Yanmar 4j80 Marine Diesel Engine

4JH80


80 mhp
58.8 kW
3200 rpm

Yanmar 4j80 Marine Diesel Engine

4JH110


110 mhp
80.9 kW
3200 rpm

Yanmar 8LV Series Common Rail Marine Engines

YANMAR’s 8LV is a compact power plant with an extremely efficient and versatile design. The V8 common rail configuration allows for a balanced and quiet running engine with twin turbos to deliver a faster acceleration response.

Featuring a broad speed range from 550 rpm idle to 3800 rpm max speed, the 8LV can be applied to fit many, differing application needs from low speed, easy manoeuvring to high speed, responsive cruising. And with a large 180 amp alternator as standard, you can efficiently power added features, and do so easily with direct connectivity to all NMEA devices in this electrically controlled engine.

The best power-to-weight ratio in its class and compact size makes this engine ideal, whether for new builds or repowers alike.

  • Twin-turbos deliver high torque for superior acceleration and responsive control
  • Exceptional power range of 550 to 3,800 rpm enables easy maneuvering and high top-end speed
  • Compact design with an outstanding power-to-weight ratio
  • Large-capacity 180 amp alternator provides continuous high-power output
  • V8 common rail design delivers a smooth, quiet, clean and fuel-efficient performance
  • YANMAR ZT370 sterndrive available across the full 8LV series
Yanmar 8LV370 Marine Diesel Engine

8LV320


320 mhp
235 kW
3800 rpm

Yanmar 8LV370 Marine Diesel Engine

8LV350


350 mhp
257 kW
3800 rpm

Yanmar 8LV370 Marine Diesel Engine

8LV370


370 mhp
272 kW
3800 rpm