Volvo announces new Euro 6 compliant engine range 05 July 2012

Volvo Trucks has launched a new heavy truck engine range for Euro-6 emissions standards, with NOx down 77% and particulates halved.

First off the mark is the updated D13 460bhp engine, which in its Euro 5 guise today powers more than one-third of all Volvo trucks.

"The Volvo FH gets a new 460bhp Euro 6 engine optimised for fast, fuel-efficient transportation on good roads," says Mats Franzén, manager of engine strategy and planning at Volvo Trucks.

"The first trucks with the new engine will be delivered in spring 2013." He adds.

D13 for Euro-6 clearly builds on Volvo's Euro-5 engine experience. It's an in-line, six-cylinder engine with unit injectors and catalytic exhaust treatment (SCR) plus exhaust gas recirculation (EGR) and a diesel particulate filter (DPF).

The SCR system has been integrated with the DPF in a compact unit, with the latter designed to capture and incinerates exhaust gas particulates, with automatic regeneration during operation.

As for the EGR approach, unlike conventional systems that cool recirculated exhaust gases to reduce engine temperature and thus NOx emissions, Volvo's Euro-6 engine's EGR system is virtually inactive during highway cruising, so minimising its impact on fuel consumption.

In fact, Franzén explains that the system is designed for the warm-up stage, when temperatures are too low for the SCR to function effectively.

"We have developed a reliable solution that not only meets the emission requirements, but also gives customers added benefits in the form of good fuel economy and trouble-free ownership," states Franzén.

Brian Tinham

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Volvo Group UK Ltd

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