Donaldson systems earn ARB approval
Dec 1, 2004 12:00 PM
The California Environmental Protection Agency's Air Resources Board (ARB) has verified Donaldson Co's Diesel Oxidation Catalyst (DOC) muffler with Series 6000 catalyst formulation alone and with the Spiracle Crankcase Filtration System for 1988 through 1990 model year diesel engines used in on-road applications operating on standard ARB or lower sulfur content diesel fuel. These systems employ either a DOC alone or a DOC with a crankcase filtration system to achieve at least a 25% reduction (Level 1) in particulate matter emissions.
Under ARB's Diesel Risk Reduction Plan, about 1.25 million diesel engines in California are candidates for retrofitting with technology like the Donaldson DOC muffler and Spiracle crankcase filter system. The combined DOC muffler/Spiracle filter system reduces engine particulate matter emissions by 26% to 50%, meeting ARB Level 1 standards requiring greater than 25% reduction. To gain ARB approval, Donaldson completed engine and field tests to ensure the emission-reduction system met performance and durability requirements.
For additional information, phone Donaldson at 866-675-2847 or visit www.donaldson.com.
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