June 4, 2019

Engine: Volvo D6 480hp

With over 100,000 units delivered since its introduction in 2003, Volvo Penta has given its next generation D4 and D6 engines a comprehensive overhaul. The benefits touch on almost every aspect that boat owners consider important; including performance, reliability, durability, running costs and maintenance.  From the outside the changes might not be that obvious, but almost every aspect of the fully integrated system has been upgraded, from helm-to-prop.  The enhancements include re-engineering of the engines, delivering more power and torque and ensuring the highest levels of reliability. They are perfectly matched with an upgraded IPS pod and the new DPI Aquamatic stern-drive, which bring increased comfort and maneuverability, as well as more straightforward servicing and maintenance.  The D4/D6 is the company’s most technically advanced package. Designed exclusively for marine applications, the 5.5 liter D6 deliver Volvo Penta’s unique marine torque, ensuring maximum power is transferred to the propellers and into the water, across the whole speed range. The changes are more than a face-lift, with the majority of components reengineered. The D6 in top spec boasts 480 hp up from 435hp. Not only 10% more power across the range, the engine is also now more fuel efficient, between 0.5% to 7.0%.  The list of upgrades is long, including a new engine management system, new fuel injection system, new turbo charger and a new supercharger. The cylinder head, pistons and valves are new, to cope with the increased performance, and the crankshaft is also now stronger to handle the bigger loads.  The D6 480hp will also cost less to maintain, with longer service intervals and fewer service items. All this adds up to annual savings in fuel, parts and servicing.

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