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2nd April 2009, Page 36
2nd April 2009
Page 36
Page 36, 2nd April 2009 — in America...
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1 Big, bold and brash this year's Mid-America , . Truck Show captured all that is great about haulage across the Atlantic. Here are

a few highlights...

Words! images: Oliver Dixon There was no doubting the main topic of conversation at this year's Mid-America Truck Show (MATS). After years of being in denial over the best way to tackle ever-tightening diesel emissions standards, most US truck and engine-makers have lurched violently from Exhaust Gas Recirculation (EGR) to Selective Catalytic Reduction (SCR) and AdBlue as the preferred route to meet the forthcoming US Environmental Protection Agency's exhaust legislation slated for 2010. And before you say 'EPA? What?: industry observers are already predicting that Stateside EPA 10 solutions will be mirrored in technology used for the next round of Euro-6 emission rep over here.

However. Intemational/Navistar caused a stir by claiming its latest MaxxForce 15 twin-turbo straight-six will meet EPA10 without the need for either SCR or AdBlue.

Intriguingly. MaxxForce 15 is based upon the previous Caterpillar C15 ACERT engine, which, along with Cat's other 'on-highway' truck engines, has been looking for a home since the firm withdrew from the on-highway market last year.

The 15.2-litre four-valve overhead cam MaxxForce six-pot features a high-pressure common-rail fuel system. Most of its 'hard iron' bits come from the C15. the air management and injection systems are apparently from MAN, which already supplies its D20/D26 engines to Navistar as the MaxxForce 10 and 13-litre EGR engine family. Will a MaxxForce 15 find its way back to Europe and MAN in a TGX tractor? The jury's out on a non-SCR engine being viable for Euro-6.

Other engine debutantes at MATS included the EPA 10compliant Detroit Diesel `DD16' engine (complete with Daimler's 'BlueTec' SCR emission control system).The 15.6-litre straight-six offers 475-600hp and 2,374-2,778Nm of torque and is part of DD's Heavy Duty Engine Platform (HDEP) global diesel family being developed by Daimler. DD16 is restricted to selected Freightliner and Western Star models, but we'd expect it to cross the pond to give Mercedes a 600hp thumper for its next-generation Actros — due in time for Euro-6.

Not to be left out, Cummins also unveiled an all-new 440hp EPA10 12-litre engine, although with the exception of niche truck-makers such as Sisu we can't see it crossing the Atlantic just yet — although a 15-litre ISX might...


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