Cummins’ Q-series diesels will meet federal Tier 4-Final and Euro IV limits in 2014 with exhaust aftertreatment systems.
Cummins says its four-cylinder QSB3.3 and QSB4.5 engines (75- to 160-horsepower) will meet EPA Tier 4 Interim emissions restrictions in 2012 with fuel efficiency improvements up to 5 percent.
Cummins Filtration introduces Fleetguard ES Compleat Glycerin, a heavy duty engine coolant that substitutes glycerin for ethylene glycol (EG) or propylene glycol (PG). Glycerin is derived from renewable sources, the primary byproduct of manufacturing biodiesel.
Cummins Filtration says its Fleetguard Direct Flow air cleaner will provide up to 50 percent greater performance and longer air-filter life in a smaller product profile for Tier 4 Cummins and other engine platforms.
