23 May 2011

Iveco and FPT Industrial announced their readiness to meet Euro VI emission standards by means of urea-SCR (selective catalytic reduction) technology, without exhaust gas recirculation (EGR). The new “SCR only” technology, which features a very high NOx conversion efficiency of over 95% (compared to 80-85% in most conventional SCR systems), will be introduced on Iveco’s new Cursor and Tector engine ranges for heavy-duty trucks and buses. The engines are also equipped with diesel particulate filters (DPF) for PM emission control.

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The Euro VI exhaust emission regulations, which apply from 2013/2014 (new types/all registrations), establish ESC/ETC emission limits of 0.4 g/kWh for NOx and 0.01 g/kWh for PM. Euro VI type approval testing will be conducted, for the first time ever, over the world harmonized test cycle, with the corresponding WHSC/WHTC emission limits to be defined by the Euro VI implementing regulation, still under development. The implementing regulation will also include a particle number limit, to be met in addition to the mass-based limit.

Iveco is the first manufacturer to meet Euro VI emissions without EGR. Euro VI engines announced earlier by Scania and Daimler both include EGR and SCR technology.

The new Tector engine range includes a 4- and a 6-cylinder model with a displacement of 4.5 and 6.7 L, respectively, and power ratings from 118 to 235 kW. The Cursor line-up includes three 6-cylinder models with displacements from 8.7 to 12.9 L and power ratings ranging from 228 to 412 kW.

Source: Iveco