Industry Resources // Tier 4 Emissions Resources // Cat Technology #4: NOx Reduction Systems
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CAT TECHNOLOGY #4:
NOX REDUCTION SYSTEMS

Read below to learn more about the Caterpillar NOx Reduction System (identified by the number 4 in the picture at the right) for Tier 4 Interim engines.
Cat Technology #4: <BR>NOx Reduction Systems
 MORE THAN A DECADE OF CATERPILLAR ENGINEERING RESEARCH

The Cat NOx Reduction System captures and cools a small quantity of exhaust gas and routes it back into the combustion chamber, where it drives down combustion temperatures and reduces NOx emissions. The result of more than a decade of Caterpillar engineering research into this technology, the Cat NOx Reduction System (pictured below along with the air management system) is designed to be the most reliable system of its type.







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