For over 100 years, Donaldson has been solving customers` complex filtration needs. Today we are one of the largest providers of unique filtration technologies and high-quality filters and parts.

Understanding the value in his idea, the young salesman-turned-inventor introduced his air cleaner to the market, and Donaldson Company was born.

1915 Innovation in Agriculture: Frank Donaldson Sr. invents the world’s first effective air filter for a farm tractor.
1945 First International Facility: Growing demand led to Donaldson Company’s expansion into Ontario, Canada.
1974 Acquisition of Torit: This key merger solidifies Donaldson’s presence in a growing industrial dust collection market.
2015 Centennial Anniversary: Donaldson celebrates its first century of providing customers with innovative filtration solutions.

Donaldson Company, Inc. Downloads

Donaldson - Clean Diesel Kits - Brochure

Donaldson - Mobile Air Compressor Package - Brochure