Seven Marine launched two new 527hp and 577hp outboard models, as well as its redesigned 627hp model, at the Miami International Boat Show. The Wisconsin engine builder was acquired in July 2017 by Volvo Penta.

Seven launched its first 557hp outboard in 2011 to accommodate growing industry demand for larger horsepower outboards. That outboard is now being phased out for the new 527 and 577 models.

“We’re optimising our product range to adapt to the ever-changing style, performance and reliability requirements of the expanding outboard market,” said Rick Davis, Seven Marine CEO, at a press conference in Miami. “With our expanded portfolio, customers in the market for big outboards will have the ultimate solution, which no other outboard manufacturer can match.”

The new outboards are built on Seven’s 6.2L supercharged V8 platform with closed cooling, wet-disc clutch transmission and fuel injection. All three models are offered with Seven’s new twin-prop CR (contra-rotating) gearcase options. Other features include engine noise reduction; industry-first leg offerings (35 to 39 inches); new cowl designs and improved airflow; increased gear-ratio range, and others.

“We’re making investments to bring to market products that allow more people to participate in the Seven experience,” Davis said at the event.

Seven’s new CR (contra-rotating) gearcase is available on all three engine models. The CR gearcase supports the largest blade area in the industry, according to Seven, ranging from 18 to 19.5 inches, with four- or five-blade props. The gearcase, coupled with Seven’s hydraulic wet disc clutch transmission for smooth shifting, is optimised for seamless joystick performance. It is designed for the largest outboard boats weighing from 20,000 to 65,000 lbs.

Certification for the European Union CE standard is being finalised and will be available in time for its European spring shipments, said Davis.