Cummins will reveal “4 More For Tier 4” at bauma - four new engines for EPA Tier 4 Interim emissions regulations. On debut are the next generation of four-cylinder QSB3.3 and QSB4.5 engines for compact equipment, together with a first showing of the all-new QSX11.9 and QSX15 heavy-duty engines. Cummins will be displaying its entire Tier 4 Interim range from 75 to 600 hp. Each one is supplied as a complete air-intake to exhaust aftertreatment system, with all key technologies integrated by Cummins.
