Motor Common Rail serie 6LF


485 mhp
356 kW
3000 rpm


530 mhp
390 kW
3000 rpm



550 mhp
404 kW
3000 rpm

Suitable for large superyachts, planing and semi-planing motor yachts up to 55 feet and light commercial craft
High power, low weight and compact installation creating a high power density of 82 mhp / L for the 550 mhp model
Controlled by the YANMAR VC20 boat control system
Complements the larger range of light-duty commercial and recreational common rail diesel engines
Exceeds EPA Tier 3 and EU RCD Stage 2 emissions regulations.


The 6LF engine is a compact and powerful common rail diesel engine, perfect for both recreational and light commercial planing and semi-planing boats. Controlled by the YANMAR VC20 system, it expands the YANMAR brand line-up with increased power, providing the largest electronically managed marine common rail diesel line-up in the industry.


The YANMAR 6LF meets EPA Tier 3 and EU RCD Stage 2 emissions regulations, while providing a wide range of fuel compatibility to meet the requirements of various government service applications.
The 6LF has been customised with YANMAR‘s patented fuel mapping and a larger mixing elbow for reliable and consistent output performance. It is custom designed to offer direct connectivity to NMEA and J1939 CAN bus networks. It comes available with a range of standard and optional features, including single and dual pole installation, multiple ZF gears and customised secondary alternator options to suit almost any complex application. 


  • Available in 3 output models: 485, 530, 550 mhp

  • A proven solution for jet and shaft drives
    Electronically controlled by YANMAR VC20 Vessel Control System, for 4 engines with up to 3 stations

  • Customised YANMAR fuel mapping and elbow and mixture support for reliable performance output

  • Customised YANMAR gearbox configuration to reduce vibration and increase efficiency
    Custom engine packaging for efficient installation
    Certified for light commercial and recreational applications*.


    * Please note that the 6LF550 does not have EPA commercial certification.


Common Rail Technology

YANMAR uses advanced common rail technology to achieve the most efficient engines in their class. Learn more about this technology and Yanmar common rail engines.

5 times best in class

YANMAR common rail marine engines set global standards in performance, efficiency and endurance. Learn more about how YANMAR achieves 5 times best in class.