Founded in 1915, Donaldson is a technology-driven company, committed to satisfying customer needs for filtration solutions, through innovative research and development. With technology constantly evolving, Donaldson strives to solve complex filtration and contamination control challenges. The vast complexity of construction equipment today can only be solved with innovation and forward thinking. Donaldson aims to provide cutting edge filtration solutions to meet the growing demands and exceed the rapidly changing requirements.

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TDX is proud to distribute Donaldson Filtration products to satisfy industrial and engine markets including; dust collection, power generation, specialty filtration, compressed air purification, on and off-road equipment, industrial compressors, heavy trucks and light vehicles. TDX has a long history with Donaldson filtration, as it is one of the company’s founding filtration brands.


Our combined knowledge and expertise and stocking the widest selection of filtration products in New Zealand position us as NZ’s leading filtration solution provider for the Automotive and Heavy Equipment Industries.

Be it a simple filter cross over, complex larger fleet offering or a technical filtration issue the team at TDX can help. Talk to us today and we will arrange one of our Territory managers to meet with you and discuss your fleet or filtration requirements.  From there we can make a recommendation for the fleet and prepare a proposal and in many cases significantly reduce your maintenance costs.  Our Filtration Product Manager can arrange a Fluid Supply Chain Audit and make recommendations on how to improve your handling and decrease the risk of contamination in your fuels and lubes enhancing component life on your plant and machinery.