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New Mercury Diesel 6.7L engine family unveiled at Miami International Boat Show

Miami, FL – Mercury Marine, the world leader in recreational and commercial marine propulsion and technology, is pleased to announce the new Mercury Diesel 6.7L midrange engine family. The new electronic, common-rail engines will be offered with three power levels: 480hp, 500hp and 550hp. They will be available as inboards or packaged with the Mercury Zeus pod-drive.


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The new Mercury Diesel engine is compatible with Mercury’s full suite of SmartCraft controls and electronics, including optional joystick piloting for inboards and joystick piloting for pods (Zeus).

“Mercury has established itself as providing the best integrated propulsion solutions to our customers,” said David Foulkes, Brunswick Corporation’s Vice President & Chief Technology Officer and Mercury Marine vice president – Product Development, Engineering and Racing. “This is the first opportunity to provide our fully integrated ecosystem of technology and ease of boating features to our mid-range diesel customer.”

“Our strategic partnership with Mercury Marine, initiated in 2015, emphasizes the FPT Industrial technological leadership by providing our customers with best in class product and service, bolstering FPT Industrial’s competitiveness in the marine engine business,” said Massimo Rubatto, Vice President Sales at FPT Industrial.

The new Mercury Diesel 6.7L engines are assembled at FPT Industrial’s dedicated marine engine plant that adopts the latest in quality controls.

Mercury’s new mid-range diesel family offers outstanding acceleration and top speed performance combined with quiet and smooth operation. The state-of-the art engine control system and electronic common-rail fuel injection technology also provides low fuel consumption resulting in affordable operating costs and extended range.

“We want to be our customer’s first choice when it comes to selecting a power option. Expanding into the Mid-range diesel market offers Mercury the opportunity to deliver on our brand promise to customers in this premium boat segment,” said Reinhard Burk, “Mercury Marine Senior Director of Diesel & Propulsion Strategy. “With this new offering, the consumer isn’t just adopting Mercury’s diesel engine, but will have access to our entire range of SmartCraft features, support and most importantly our Service network.”

Features and Benefits
L6 Ladder frame design
Turbocharged and after-cooled
Bore – 104mm (4.09in)
Stroke – 132mm (5.19 in)
CR – 15.8:1
Rated engine speed – 3200 RPM
Peak engine speed – 3280 RPM
Step capable engine cover
Easy access maintenance points

Cooling System
Close cooled
Standard engine mounted heat exchanger
Seawater cooled exhaust riser

Lubrication System
Self-draining oil filter for clean filter changes
Piston cooling nozzles
Equipped with oil sump evacuation system

Exhaust System
Single wastegated turbocharger
Glycol cooled turbine housing
Glycol cooled exhaust manifold

Air Intake
Walker air filter and silencer

Fuel System
High pressure common rail fuel system
Engine mounted priming pump
Bosch CP3.3 high pressure pump
CRIN 3 fuel injectors

Electrical System
Available in 12V or 24V configuration
High output alternator 12V/90A or 24V/70A

Engine Control
Bosch EDC17 Controller
Vibration isolated for durability

Emissions Certification Levels
EPA Tier 3
IMO Tier 2

About Mercury Marine
Headquartered in Fond du Lac, Wis., Mercury Marine is the world’s leading manufacturer of recreational marine propulsion engines. A $2 billion division of Brunswick Corporation (NYSE: BC), Mercury provides engines, boats, services and parts for recreational, commercial and government marine applications, empowering boaters with products that are easy to use, extremely reliable and backed by the most dedicated customer support in the world. Mercury’s industry-leading brand portfolio includes Mercury and Mariner outboard engines; Mercury MerCruiser sterndrive and inboard packages; MotorGuide trolling motors; Mercury propellers; Mercury inflatable boats; Mercury SmartCraft electronics; Attwood marine parts; Land ‘N Sea marine parts distribution; and Mercury and Quicksilver parts and oils. More information is available at

Lee Gordon
Director of Global Public relations
Phone: 904-860-8848