Cargotec, Helsinki, Finland, will fit its Kalmar products with the latest engines using Selective Catalytic Reduction (SCR) or Exhaust Gas Recirculation (EGR) technology to deliver near-zero NOx and harmful particulate emissions, with effect from January 1, 2011. The change complies with the EU Stage IIIB and US EPA Tier 4i emission regulations which govern all off-road equipment powered by engines of 130kW and above.
Cargotec said there will be a smooth transition across the entire range of products that will be affected by the new legislation. With the changes significantly reducing emissions but not affecting capacity, the result is a series of engines which meet the legal obligations without sacrificing the level of productivity, safety and quality, it added.
"These engines combine high power output with efficient fuel consumption. Furthermore, there is no increase in service intervals or costly downtime as the system is designed to last the lifetime of the engines. Their introduction shows our ongoing commitment to environmental protection and a desire to reduce running costs for our customers wherever possible," said Jorma Tirkkonen, senior vice president, RDE services, Cargotec.
The SCR engines are optimized for efficient combustion, which provides fuel efficiency and low particulate emission benefits. To combat the resultant NOx emissions, AdBlue is injected into the exhaust gas. The exhaust gas and AdBlue then enter a catalytic converter, which turns the NOx into harmless nitrogen gas and water vapour. The EGR engine works at a lower combustion temperature which generates a low level of NOx. This
type of engine generates a high level of particles, but eliminates these particles with an added particulate filter.
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