Conserve the Energy That Matters Most – Yours

Oil, gas turbine or wind – our filters protect energy equipment, reduce maintenance and minimize downtime – giving you one less thing to worry about.

Bulk Fluid Storage

Contaminants and water are the enemies of modern diesel engines. We'll help you remove the dirt and achieve more.

Engine & Vehicle

We offer filters and parts for diesel engines, hydraulic and bulk storage tanks – plus custom OEM filtration systems for equipment manufacturers.
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Contamination control products and services for machinery and components in factory and on heavy-duty equipment.

Gas Turbine

We provide comprehensive filtration solutions to increase energy efficiency and generate more megawatts.


Donaldson is the leading worldwide manufacturer of Tetratex® microporous expanded PTFE membranes, films and laminates.