Yanmar 6LF485 Inboard Diesel Engine


4 in stock

MPN: 81375311 SKU: YANMAR-81375311 Categories: ,

New Yanmar 6LF485 Inboard Diesel Engine. The 6LF engine is a compact and powerful common rail diesel engine, perfect for planing and semi-planing vessels, both recreational and light duty commercial. Controlled by the YANMAR VC20 system, it expands YANMAR brand’s line with higher horsepower, providing the largest common rail, electronically managed marine diesel line-up in the industry.

The YANMAR 6LF meets EPA Tier 3 and EU RCD Stage 2 emissions regulations while also providing a wide range of fuel compatibility to meet requirements for various government service applications.

The 6LF has been customized with YANMAR’s proprietary fuel mapping and a larger mixing elbow for reliable and consistent output performance. It is custom engineered to offer direct connectivity to NMEA and J1939 CAN-bus networks. It comes available with a number of standard and optional features, including single- and 2-pole installation, various ZF gears, and custom secondary alternator options to meet nearly any complex application.


– Suitable for large superyacht tenders, planing and semi-planing motoryachts up to 55ft, and light-duty commercial vessels
– High power, low weight, and compact installation creating a high power density of 82 mhp/L for the 550 mhp model
– Controlled by YANMAR VC20 Vessel Control System
– Complements the largest common rail recreational and light duty commercial diesel engine line-up
– Exceeds EPA Tier 3 and EU RCD Stage 2 emissions regulations

Yanmar 6LF485 Inboard Diesel Engine Specifications:

Rated Output : 356 kW / 485 mhp
Rated Speed : 3000 rpm
Displacement : 6.728 L / 411 cu. in
No. of cylinders : 6 cylinders
Cylinder Bore x Stroke : 104 mm x 132 mm / 4.10 in x 5.20 in
Configuration : In-line, 4-stroke, vertical, water-cooled diesel engine
Combustion system : Direct Injection, Bosch Common Rail System
Aspiration : Turbocharged & Intercooled
Alternator : 12V – 90A, 24V – 70A
Dry weight without gear : 780 kg / 1720 lbs
Dimensions : 1519 mm x 893 mm x 881 mm
Controls : Electronic
Certifications : RCD 2, IMO Tier 2, EPA Tier 3, EPA Tier 3C, EMC

Standard Engine Package

– Exhaust mixing elbow [high riser]
– 12V Electric system [single pole] / 24V Electric system [2-pole]
– Flexible mounts
– Alternator 12V – 90A / 24V – 70A
– VC20 Vessel Control System
– Electronic CAN-bus control head
– Backup Panel
– Lubrication oil evacuation pump [manual]

Optional Accessories

– Secondary alternator 24V – 110A including smart regulator
– Secondary alternator 12V – 125A or 24V – 65A [2-pole]
– Second or third station
– Front-PTO connection
– Hot water connector
– NMEA 2000 Engine monitoring system
– JC20A Inboard Joystick
– Extension harness [3m, 5m, 10m]
– Man Over Board Switch

Warranty Information

Warranty: 5 Years

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1 Review For This Product

  1. 01

    by Ally Wade (verified owner)

    Always reliable. Great customer service. Helpful with advice with no anticipation of a sale.

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