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Daimler shows off newest member of HDEP family

4th September 2008
Page 12
Page 12, 4th September 2008 — Daimler shows off newest member of HDEP family
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By Oliver Dixon A TASTE OF the future (and a reminder of the finite life of Mercedes-Benz's long-serving European vee-engines) has been provided by the arrival of the second North American product in Daimler's worldwide Heavy Duty Engine Platform (HDEP) engine range.

The new 12.8litre six-in-line unit, called the DD13, will replace the current stateside 12-litre MBE 4000 straight-six by the end of 2009 and joins the recently launched DD15. It will soon be joined by a 16-litre DD16 model.

DD13 will be offered with power ratings from 350 to 450hp,


and boasts peak torque output of between 1,828 and 2,234Nm. It shares the DD15's Amplified Common Rail System (ACRS), but does away with the turbo compounding featured on the DD15 because of the need for rear PTO capabilities. The 13-litre engine weighs about 180kg less than the 15litre model, but is described by , Detroit Diesel as being "slightly heavier" than the , outgoing MBE 4000 (used • in Europe as the 0M457). Whether or not this penalty includes the weight piled on by the SCR kit to be fitted to all DD series engines in time for the US EPA 10 emissions standard in 2010 is unknown, but the DD13 has seen an extension in service intervals to 50,000 miles.


People: Oliver Dixon

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