New Diesel Engines of 2017

Improved engine technology means more power and better efficiency

March 3, 2017

Advancements in engine technology mean more horsepower and increased fuel efficiency, which are both win-wins for the sport-fishing fleet. The new offerings range from 355 hp to 1,600 hp and are great options for new builds and repowers. They also meet EPA Tier 3 requirements.


MAN engine
MAN’s new in-line six-cylinder engine Courtesy MAN Engines

This new in-line six-cylinder engine recently won the Red Dot award for excellence in design quality. The engine comes in two power options, 800 hp and 730 hp, and both are ideal for boats up to 55 feet in length.

MAN Engines website



MTU 10-cylinder Series 2000 M96 engine
MTU 10-cylinder Series 2000 M96 engine Courtesy MTU

The new 10-cylinder Series 2000 M96 engine is capable of delivering 1,361 to 1,600 hp and features enhanced acceleration characteristics and an excellent power-to-weight ratio at just over 5,000 pounds.

MTU website


Caterpillar C7.1
Caterpillar C7.1 Courtesy Caterpillar

The new turbocharged C7.1 is a powerful and compact upgrade to the company’s tried-and-true C7. Three power options — 406 hp, 456 hp and 507 hp — add performance and increased fuel efficiency compared to its predecessor.


Caterpillar website

Volvo Penta

Volvo Penta D8
Volvo Penta D8 Courtesy Volvo Penta

The new D8 is an in-line six-cylinder engine that is available for both IPS and inboard shaft applications. The direct-injected, turbocharged engine has two different power ratings (550 hp or 600 hp at 2,900 rpm), and the engine can be easily integrated with Volvo Penta’s Electronic Vessel Control system.

Volvo Penta website



Yanmar 6LY-CR
Yanmar 6LY-CR Courtesy Yanmar

The new-generation 6LY-CR is based on Yanmar’s proven block but features new common-rail fuel technology and 24-valve cylinder heads as well as a redesigned exhaust manifold. The engine will have either a 400 hp or 440 hp power rating.

Yanmar website


Cummins QSB6.7
Cummins QSB6.7 Courtesy Cummins

The SL option package for the QSB6.7 reduces the size and weight of the engine and is perfect for repowering in the 32- to 36-foot range. It comes in three power options: 355 hp, 380 hp and 425 hp.


Cummins website


More Boats