Marubeni-Komatsu Ltd - General - New Environmentally Friendly Engines
Date: 02 Mar 2006
Komatsu has launched a new range of environmentally friendly engines for construction and mining equipment. The ECOT3 engines are specifically designed to meet the new EU Stage IIIA emissions regulations (aligned with US EPA Tier III). Thanks to a number of innovative technologies, the new engines deliver the industry's lowest emission levels as well as outstanding fuel efficiency and power output.
Effective as of January 2006, the Stage IIIA regulations require a 40% reduction in emissions of nitrogen oxides (NOx) with particulate matter (PM) limits left unchanged. In addition, they put strong emphasis on reducing emissions from diesel engines for off-road machinery. This is a big challenge for manufacturers of construction and mining equipment, whose engines regularly handle huge loads at high speeds in harsh conditions.
Building on over seventy years experience of developing off-road engines, Komatsu has met this challenge with its innovative ECOT3 engine range. ECOT3 engines feature a blend of advanced technologies including total electronic control; heavy-duty high-pressure common rail (HCPR) fuel injection; heavy-duty cooled exhaust gas recirculation (EGR); air-to-air charge air cooling and a new combustion chamber design. Together these systems significantly reduce NOx, PM, noise and fuel consumption while boosting engine power.
Komatsu develops both engines and machines, allowing it to create optimized equipment packages to suit the needs of various applications. All Komatsu engines are built at the company's own state-of-the-art production facilities and undergo rigorous testing to ensure high reliability. As part of its 'Ecology and Economy' policy, Komatsu continues to develop low-emission engine technologies that deliver superior performance while meeting the strictest environmental regulations.
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