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Cummins Starts Production of Tier 4 Final 6-Cylinder Engines | Construction News

Cummins Inc. has begun production of the 6-cylinder engines certified to meet Tier 4 Final regulations, equivalent Canadian standards, and European Stage IV standards. The latest 6.7- to 15-liter Cummins engines will be on featured at ConExpo in March in a wide range of Tier 4 Final construction machines, material handling equipment, power packs, and cranes. 

Hugh Foden, executive director, Cummins Off-Highway Business said, "By making an early start with Tier 4 Final development, we were able to undertake our largest-ever field test and OEM installation program, extending to more than 70 machines operating under the most demanding duty cycles and challenging geographies, including high altitude, high humidity, extreme heat and cold," said Hugh Foden, executive director, Cummins Off-Highway Business. "As a result, our field testing has validated that the Tier 4 Final engines achieve the same impressive levels of uptime availability and reliability as experienced by users of our proven Tier 4 Interim and Tier 3 engines."

Field test work is underway for Cummins 4-cylinder engine range, with production of the QSF3.8 and QSB4.5 on schedule for January 2015, aligning with the emissions effect date for engines rated 75 hp to 173 hp. During 2014, production volumes of the compact QSF2.8 will ramp up to meet the need for applications below 75 hp.

The full 49 hp to 675 hp engine lineup for Tier 4 Final/Stage IV emissions will be at the Cummins booth at ConExpo, including the new QSF3.8 and QSG12 engines. In addition to engines, Cummins will also display some of the first Tier 4 Final-ready power packs in the industry, together with a power rental trailer.

Also highlighted will be Cummins new NanoNetfuel filters, which provide fuel system protection, and Variable Geometry Turbochargers that enable enhanced engine response. Cummins Emission Solutions will feature its recently announced EcoFit urea tanks, lines and quality sensor, establishing a full package aftertreatment and dosing system with SCR technology.

Visit Cummins in the South Hall 4 at booth 84808.


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