Las Vegas (September 27, 2004) - Cummins Inc. (NYSE:CMI) is featuring its QSK19 engine, which has been enhanced to meet EPA Tier 3 emissions, at the 2004 MINExpo International Show. The engine launched earlier this year and is now making its first trade show appearance in North America.
The 19-liter platform will meet Tier 3 emissions standards within the 510 to 700 hp (380 - 522 kW) range, providing higher availability and performance than any engine in its class. For applications meeting Tier 2 requirements, the QSK19 is available up to 800 hp (597 kW).
"Cummins modular common-rail fuel system and in-cylinder advanced combustion technology provide the key elements in the design formula for moving the QSK19 forward to Tier 3 by reducing Nitrogen Oxides (NOx) emissions levels by almost 40 percent without the use of aftertreatment or other hardware," said Mark Levett, Vice-President & General Manager - High Horsepower Engine Business. "The 19-liter has been designed from the start for mining applications demanding high hour and high load factors. Over 5,000 QSK19 engines currently operating in haul trucks, excavators, drills and wheel loaders have already proven that our 19-liter far surpasses any other equivalent engine in terms of durability or uptime availability."
The Tier 3-compliant QSK19 maintains the same basic footprint as the existing engine to ensure minimal installation impact and will be available as early as January 2005.
The QSK19 power cylinder has been enhanced by utilizing technology from larger Cummins Quantum System engines, enabling a 10% increase in durability compared to the current 19-liter engine. Key to the power cylinder improvement is a single piece Ferrous Cast Ductile (FCD) iron piston which also reduces overall oil consumption by 20%, offering operators an important cost saving.
The Cummins modular common-rail fuel system incorporated into the latest QSK19 is designed specifically for engines operating in rigorous high hour, high load factor applications. Peak fuel injection pressures of up to 23,500 psi are achieved.
With the new modular fuel system, maintaining peak injection pressure is no longer dependent on engine speed, load conditions or fueling capability. Injection pressure can be virtually constant at all speeds, realizing greater flexibility and precision in controlling both injection rates and timing.
The modular common-rail fuel system is fully integrated with Cummins high-precision electronic management, driven by an upgraded CM850 ECM (Electronic Control Module) with a processing speed over twice as fast as the previous ECM. The QSK19 engine management system continually maintains an optimum balance between load demands, fuel-efficiency and emissions control.
The new CM850 ECM is designed for isolation from detrimental thermal and vibration loading. The modular common-rail fuel lines also incorporate double-wall protection for added safety.
OEM and operator interface with the engine management system is made easy using the latest QuickCheck III hand-held datalink providing instant diagnostics, fuel efficiency data and multiple engine reports.
The QSK19 engine is backed by Cummins industry-leading QuickServe® program. Cummins QuickServe offers factory-certified technicians, the most sophisticated diagnostic and repair tools in the industry and the largest international parts and service network of any engine manufacturer.
Cummins Inc., a global power leader, is a corporation of complementary business units that design, manufacture, distribute and service engines and related technologies, including fuel systems, controls, air handling, filtration, emission solutions and electrical power generation systems. Headquartered in Columbus, Indiana (USA), Cummins serves its customers through more than 680 company-owned and independent distributor locations in 137 countries and territories. Cummins also provides service through a vast dealer network of more than 5,000 facilities in 197 countries.
With more than 24,000 employees worldwide, Cummins reported sales of $6.3 billion in 2003. Press releases can be found by accessing the Cummins home page at www.cummins.com