SALE! Yanmar 6LF550 Marine Diesel Engine 550HP – NEW

New Yanmar 6LF550 Inboard Diesel 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 coectivity 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.

Key Features:

Versatile Application: Ideal for large superyacht tenders, motor yachts up to 55 feet, and light-duty commercial vessels.

Optimal Power-to-Weight Ratio: Delivers a high power density of 82 mhp/L, providing robust performance without added bulk.

Advanced Control System: Managed by the Yanmar VC20 Vessel Control System, offering seamless integration with NMEA and J1939 CAN-bus networks for enhanced operational control.

Environmental Compliance: Surpasses EPA Tier 3 and EU RCD Stage 2 emissions regulations, promoting eco-friendly operation.

Specifications:

Rated Output: 404 kW / 550 mhp

Rated Speed: 3000 rpm

Displacement: 6.728 L / 411 cu. in

Number of Cylinders: 6

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 (L x W x H): 1519 mm x 893 mm x 881 mm

Controls: Electronic

Certifications: RCD 2, IMO Tier 2, EPA Tier 3, EMC

Standard Engine Package Includes:

High-riser exhaust mixing elbow

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

Manual lubrication oil evacuation pump

Optional Accessories:

Secondary alternator (24V – 110A with smart regulator)

Secondary alternator (12V – 125A or 24V – 65A [2-pole])

Additional station setups

Front-PTO connection

Hot water connector

NMEA 2000 Engine monitoring system

JC20A Inboard Joystick

Extension harnesses (3m, 5m, 10m)

Man Overboard Switch

Warranty Information: 5-year warranty

• Availability: In Stock
• Model: 6LF550
• Brand: