6LY400 400HP

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SKU: web6LY400

Impressively Clean and Powerful Performance

Built on 30 years of history, the 4th generation 6LY-CR is a smooth and robust 6 cylinder in-line engine, producing impressively clean and powerful performance.

Incorporating an advanced Denso common rail fuel injection system, the 6LY-CR delivers excellent fuel economy and significantly less noise than previous generations, while the high torque output throughout its full operating range produces class leading acceleration and responsive performance.

Its narrow and lightweight profile enables installation in the tightest of engine rooms, making it the perfect solution for repowering, as well as newly built vessels.

Details

  • Available in 2 output models – 400 and 440 mhp 
  • A proven solution for jet and shaft drives 
  • Controlled electronically by YANMAR VC10 Vessel Control System, with up to 3 stations 
  • Available with JC20 joystick control for twin shaftdrive applications 
  • Certified for recreational and light duty commercial applications 
  • SOLAS option and USCG lifeboat approved
Rated Output294 kW / 400 mhp
Rated Speed3300 rpm
Displacement5.813 L / 354 cu. in
No. of cylinders6 cylinders
Cylinder Bore x Stroke106 mm x 110 mm / 4.17 in x 4.33 in
Combustion systemDirect Injection, Denso Common Rail System
AspirationTurbocharged & Intercooled
Alternator12V - 125A
Dry weight without gear585 kg / 1290 lbs
Dimensions1440 mm x 748.5 mm x 773.8 mm
ControlsElectronic
CertificationsRCD 2 IMO Tier 2 EPA Tier 3 EPA Tier 3C BSO II EMC SOLAS USGC

For the latest manuals, product guides, spec sheets and more, please visit Yanmar Marine's product page.

JC-20

The YANMAR JC20 inboard joystick system is suitable for every motorboat, powerboat, and catamaran equipped with twin YANMAR 6LY Series & 8LV Series common rail engines.

How it works
Simply press the joystick gently in the desired direction of movement and the JC20 will automatically engage the bow thruster and adjust the speed of the two shaft engines to maneuver the bow precisely where needed.


The VC20 is YANMAR’s 2nd generation vessel control system that controls all YANMAR electronically managed engines. Featuring simplified electrical management, a high-quality appearance, and significant functional improvements, the next generation YANMAR VC20 Vessel Control System integrates with YANMAR’s complete line up of common rail engine series, transmissions, controls, and displays.

The VC20 is a J1939 based CAN bus system that has a dedicated network to each engine and comes standard with an emergency back-up panel, ensuring the highest reliability. With NMEA connections built in, the VC20 can connect easily to multiple other vessel accessories or systems.

The system was completely developed by YANMAR to meet the company’s high standards of quality and dependability. The VC20 controls all YANMAR engine and transmission function and shows engine alarms and diagnostic codes in the display.

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