6LY440 440HP

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Details

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

Specs

Rated Output 324 kW / 440 mhp
Rated Speed 3300 rpm
Displacement 5.813 L / 354 cu. in
No. of cylinders 6 cylinders
Cylinder Bore x Stroke 106 mm x 110 mm / 4.17 in x 4.33 in
Combustion system Direct Injection, Denso Common Rail System
Aspiration Turbocharged & Intercooled
Alternator 12V – 125A
Dry weight without gear 585 kg / 1290 lbs
Dimensions 1440 mm x 748.5 mm x 773.8 mm
Controls Electronic
Certifications RCD 2 IMO Tier 2 EPA Tier 3 EPA Tier 3C BSO II EMC SOLAS USGC

Controls

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.

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