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Donaldson Develops Innovative Lube Filterto Deliver Premium Performance

16 February, 2001

MJ Marketing
PO Box 241088
Apple Valley, Minnesota 55124
Donaldson Company, Inc.
P.O. Box 1299
Minneapolis, Minnesota 55440
Maureen Juaire
(952) 953-9953
Janice Kovala
(866) 484-8329


MINNEAPOLIS, MINN., February 16, 2001 – Donaldson Company, Inc. (NYSE:DCI), a leader in air, fuel, lubrication and hydraulic filtration solutions, has developed an innovative new lube filter for Cummins® Signature and ISM engines delivering greater capacity and higher efficiency.



The Donaldson® P559000 offers street-wise engineering featuring the Donaldson multi-density Synteq® filter media that holds more contaminants. The new design has expanded the media surface area in the filter element. Adding media allows more opportunity for the engine lubricating oil to continually receive high-efficiency filtration. And, a unique wide-mouth cartridge outflow permits unobstructed oil flow from the filter media, consistently delivering maximum flow.


"The more capacity a filter has for holding contaminants, the longer the filter will perform," said John Hacker, director of the liquid filtration group, at Donaldson "And the longer the filter lasts, the more miles an engine can run without a filter change." By using the Donaldson P559000 lube filter, service intervals can be extended, which help control maintenance costs. Key to the P559000's high efficiency is the Synteq filter media, which was introduced by Donaldson in 1985. Higher efficiency results in cleaner oil because the filter media stops more contaminants from passing through. "This high-efficiency performance can reduce downtime and keep equipment on the job longer," said Hacker. Competitively priced, the Donaldson P559000 can replace either of the Venturi-style filter models available from Fleetguard® for Cummins engines. ISO testing shows that the Donaldson P559000 exceeds the Fleetguard Venturi LF9000 filters in contaminant holding.


Donaldson Company, Inc., headquartered in Minneapolis, Minn., is a leading worldwide provider of filtration systems and replacement parts. Founded in 1915, Donaldson is a technology-driven company committed to satisfying customer needs for filtration solutions through innovative research and development. Donaldson serves customers in the industrial and engine markets including dust collection, power generation, specialty filtration, off-road equipment, trucks, and automotive. More than 8,400 employees contribute to the company's success at roughly 40 manufacturing locations around the world. In fiscal year 2000, Donaldson reported record sales of more than $1 billion and achieved its eleventh consecutive year of double-digit earnings growth. Donaldson is a member of the S&P MidCap 400 Index and Donaldson shares are traded on the New York Stock Exchange under the symbol DCI. Additional company information is available at

Donaldson and Synteq are registered trademarks of Donaldson Company, Inc.

Cummins and Fleetguard are registered trademarks of Cummins Engine Company, Inc

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