New for 2018: the family grows with Mercury Diesel 6.7L

Not just aggressive gas V8s: Mercury goes the “cheap fuel” with a reliable, state-of-the-art inline-6 to expand their offer.

The new Mercury Diesel 6.7Ls become, with 550 HP, the most powerful in the diesel range of the American giant (there are also 480 and 500 HP versions).


Mercury Diesel 6.7L has nothing to do with what you may think of diesels

The new Common Rail engines are available for inboard installation with Mercury Zeus pods and are compatible with the entire range of Mercury SmartCraft commands and devices, including optional Joystick Piloting for Inboards and Joystick Piloting for Pods (Zeus). There’s some Italian blood though into Mercury Diesel 6.7L engines: they are assembled at the Milanese FPT Industrial plant dedicated to marine units. They boast state-of-the-art construction solutions, confirmed by the successful use of the automotive version on the Iveco Eurocargo truck, the market leader among mid-range industrial vehicles.
It is no surprise, then, that the new family of mid-range diesel engines offers excellent performance in terms of acceleration and maximum speed, with a fluid and silent delivery as we could realize in a test with a FB Design mono-hull (for the record we have touched 68 knots on chopped sea).

Performance, but also affordability: the engine control system and Common Rail electronic injection both ensure low fuel consumption, resulting in low running costs and high navigation range, as well as emissions complying with EPA Tier 3, RCD 2 and IMO Tier 2 certifications. The new Mercury Diesel 6.7L is an inline-six displacing 6700 cc (bore and stroke 104 x 132 mm), supercharged and post-cooled (single turbocharger with wastegate valve, glycole-cooled turbine housing and exhaust manifold cooling) with a nominal speed of 3,200 rpm and a maximum of 3,280 rpm.
Other salient features: walk-on engine cover, easy to reach maintenance points, closed-circuit cooling with heat exchanger mounted on the engine, marine-water-cooled exhausts; the lubrication system that includes the self-draining oil filter for clean replacements, and piston-cooling nozzles with collection system in the oil sump.
Did you know that you can have a Mercury Diesel engine even with four cylinders and just 2 liters?

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