Construction Business News Middle East - - Trucks -

In ad­di­tion to the choice of two Euro III en­gines, the new Ac­tros and Arocs are avail­able with three dif­fer­ent en­gines com­ply­ing with Euro IV and Euro V emis­sion norms. All en­gines are de­signed as in-line six-cylin­der en­gines with ex­haust-gas tur­bocharg­ing and charge air cool­ing for high torque at lit­tle more than idle speed. Max­i­mum trac­tive power lev­els of from 1,000 to 3,000Nm are achieved by three dis­place­ments of 10,7, 12.8, and 15.6l, with a power range from 240kw up to 460kw.

An im­por­tant fea­ture of the six-cylin­der in-line en­gines of the OM 470/471/473 model se­ries from Mercedes-benz is the unique nex­i­ble com­mon­rail X-pulse in­jec­tion sys­tem with fully elec­tronic con­trol and pres­sure booster. Whether the OM 470, OM 471, or the OM 473 – all en­gines com­ply with the Euro IV or Euro V emis­sions stan­dard. They fea­ture the lat­est com­mon-rail in­jec­tion sys­tem and come with ex­haust gas re­cir­cu­la­tion. Ex­haust gases are treated with SCR tech­nol­ogy with Ad­blue in­jec­tion, as well as a down­stream ox­i­da­tion cat­alytic con­verter.

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