D-DAY FOR VOLVO

Volvo Penta has revamped its entire range of D4 and D6 diesel engines in a bid to deliver more power, increased reliability, improved efficiency and lower running costs. It has also launched a new Duoprop sterndrive leg as well as a new engine management system and redesigned throttles.

The changes represent the most comprehensive refresh of its four and six cylinder diesel drivetrains since their launch in 2005, and with more than 100,000 of them sold to date the stakes could hardly be higher. So what has changed and how should that benefit customers?

THE NEW ENGINES

First and foremost is extra power. The most powerful D4 now delivers 320hp (up from 300hp) while the punchiest D6 now offers