Deere joins the SCR camp
Tom Jackson | April 18, 2012

John Deere Power Systems is showing its PowerTech PSS 9L, Tier 4 Final engine at Intermat this week. The company’s formula for reducing emissions in the 75 horsepower and above catagory include enhanced electronic controls,  a diesel oxidation catalyst, a diesel particulate filter and selective catalytic reduction system.

When combined with cooled EGR technology Deere’s Integrated Emissions Control system with use less diesel exhaust fluid in its SCR system than alternative Tier 4 Interim solutions. This will result in a smaller DEF tank, extend DEF filter service intervals and reduce operator intervention.

The regulations call for all engine manufacturers to meet Tier 4 Final emissions standards starting in 2014.

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