MINNEAPOLIS, MN March 12, 2008 As allowable tailpipe emissions standards are lowered, original equipment manufacturers can look to Donaldson Company, (NYSE:DCI), a leading worldwide manufacturer of filtration systems and parts, for creative solutions for Open Crankcase Ventilation (OCV) and Closed Crankcase Ventilation (CCV) filtration solutions. Donaldson Engine Systems & Parts is introducing two new plastic Spiracle Crankcase Filtration Systems (CFS) models at the 2008 CONEXPO-CON/AGG Show in Las Vegas in March.

The Spiracle CFS removes crankcase aerosol and particulate using Donaldson”s proprietary Synteq XP, a breakthrough new media that has a lower operating pressure drop, higher overall efficiency (>95%) and longer filter life compared to traditional media. Spiracle CFS systems reduce blow-by emissions generated from an open crankcase vent and prevent fouling turbochargers or intercoolers in CCV systems.

Spiracle CFS also reduces in-cab fumes and draft tube “road drips,” keeps the engine enclosures free from oil film and reduces engine oil consumption. Spiracle CFS is a serviceable filtration system that employs a custom-designed pressure regulator in CCV systems to reduce excess vacuum and custom-designed pressure relief value to prevent excessive crankcase pressure build-up. 

Visit Donaldson Engine Systems & Parts at the 2008 CONEXPO-CON/AGG Show, Booth S-16526 (South Hall).

For more information, visit or contact Donaldson toll free at (866) 484-8329.

About Donaldson Company
Donaldson is a leading worldwide provider of air and liquid filtration systems and replacement parts that improve people”s lives, enhance our customers” equipment performance and protect our environment. We are a technology-driven company committed to satisfying our customers” needs for diesel engine equipment and industrial filtration solutions through innovative research and development, superior technology, and global presence. Our 12,000 employees contribute to the company”s success by supporting our customers at more than 100 sales, manufacturing, and distribution locations around the world. 

Donaldson is a member of the S&P MidCap 400 and Russell 1000 indices, and our shares trade on the NYSE under the symbol DCI. Additional information is available at

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