MTU Friedrichshafen premieres Tier 4 solutions

  • 06-May-2010 04:06 EDT
6R 1500.jpg

MTU had on display at Bauma a 6R 1500, one of the engines slated to meet Tier 4 Final emissions regulations upon its introduction in 2014 via the use of EGR, DPFs, and SCR.

MTU Friedrichshafen, a subsidiary of Tognum, premiered at Bauma the technologies that it will be using in its range of engines to meet upcoming 2011 Tier 4 Interim and 2014 Tier 4 Final regulations, while also announcing an extended engine lineup.

For its current line of engines up 560 kW (750 hp), MTU says it will meet 2011 T4I requirements via an integrated selective catalytic reduction (SCR) unit, which it says was selected in cooperation with its major customers. OEMs are expected to convert their vehicles and equipment for 2011 emissions targets with "the least possible outlay," says MTU, which added that the SCR approach also brings additional benefits in the form of reduced fuel consumption.

In terms of 2014 T4F for engines up to 560 kW (750 hp), MTU will be extending its range of Construction & Industrial products below the Series 1600 with new four- and six-cylinder engines designated Series 1000, Series 1100, Series 1300, and Series 1500. These will be based on the coming generation of commercial vehicle engines from Mercedes-Benz but will be specifically designed by MTU to address C&I duty cycles and requirements. The current Tier 3 MTU engines in the 75 to 480 kW (100 to 645 h) range—the Series 400, Series 500, and Series 900—are also based on Mercedes-Benz commercial engines.

MTU stresses that immediately upon their introduction in 2014, all four new engines will meet EU Stage IV and T4F specifications. To do so, they will be equipped with exhaust gas recirculation (EGR), diesel particulate filters (DPFs), and SCR systems.

The company's 10V and 12V 1600 engines, which range up to 730 kW (980 hp) for C&I and mining applications, will meet future regulation requirements using just EGR, without DPFs or SCR. To minimize complexity while meeting regulations and achieving even lower fuel consumption, MTU says it placed particular emphasis on optimizing the combustion process, thus minimizing customer outlay necessary for exhaust gas aftertreatment.

To meet T4I and T4F, MTU says its Series 2000 and Series 4000 engines will be undergoing further development. In the end, by T4F the company will be offering compliant C&I that range from 100 to 3000 kW (134 to 4023 hp).

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