New marine diesel engines by Cummins are now available in its Quantum series, Tier 3 certified by the US Environmental Protection Agency (EPA). To sell an engine or vehicle within the United States manufacturers must demonstrate compliance with the Clean Air Act and all applicable EPA regulations. Hence Cummins has now upgraded its popular Tier 2 certified QSK19 and QSK60 engines to comply with the more stringent Tier 3 standard.
Marine Diesel Engine: Cummins QSK19: Photo credit Cummins
A Tier 3 engine requires 50% reduction in particulate matter and a 20% reduction in nitrogen oxides compared to Tier 2 standards, which Cummins achieved through the application of advanced combustion technology without any need for after-treatment of engine exhaust gas emissions.The Tier 3-certified QSK19 and QSK60 feature the same premium base engine hardware and footprint as the existing MCRS product. Furthermore, the lubrication, cooling, air handling, fuel and exhaust systems are the same de... [More]
The C175 series was first announced in 2006, initially for other applications in three different cylinder configurations: as a 64 ltr V12, an 85 ltr V16 and a 106 ltr V20. Starting with the V16 cylinder version, the series commenced manufactured in 2007 at Caterpillar's Lafayette, Indiana, Large Engine Center (LEC). Introduced last week as an addition to the Caterpillar’s range of diesel propulsion engines, the C175-16, has a bore of 175 mm (6.89 in) and stroke of 220 mm (8.66 in) giving a cylinder volume of 5.3 ltr. It meets EPA Marine Tier 3 and IMO Tier II emission requirements with outputs of 2,683 hp to 2,907 hp (2,011 kW to 2,168 kW) at 1,600 rpm and 3,003 hp to 3,420 hp (2,239 kW to 2,550 kW) at 1,800 rpm. [More]