Donaldson is a leading worldwide provider of filtration systems & replacement parts. Founded in 1915 by Frank Donaldson Sr. developing an air cleaner to solve a farmer's tractor problems. In the late 1920s, crop fires caused by engine sparks fuelled our diversification into exhaust products. Donaldson's diverse product range encompasses air, liquid, hydraulic and exhaust products for the engine market as well as dust, mist and fume collection, processing filtration and gas turbine filtration for industries as varied as power generation to pharmaceutical manufacturing and microprocessing.