Trimax Mowing Systems Celebrating 40 Years in Business

New Zealand-based Trimax Mowing Systems is marking its 40th anniversary of operation this year with the release of a new brand video, sharing the story of the company’s past, and looking into the future. Trimax has been exporting to the United States since 1995 and established a permanent U.S. facility in 2005.

The company was founded in 1981 by Bob Sievwright, a New Zealand engineer and salesperson with family roots in agriculture and a passion for high-performance machinery, the company reports. Sievwright developed the Gamma Flail, an aerodynamic mower flail designed to simplify manufacturing processes and increase operational efficiency as compared to the contemporary welded flails.

Sievwright gained his first customer after six weeks of development – Southern Engineering in Tauranga, New Zealand – however, the arrangement only lasted a month before Southern Engineering burnt to the ground. In an effort to keep the Gamma Flail on the market, he then bought out the remains of the business and made a deal with another local flail mower manufacturer, Gamman Engineering, combining them to form the beginning of Trimax Mowing Systems.

“Investment in our customer relationships has supported the growth of our own business,” says Trimax CEO Michael Sievwright.

Today, Trimax has manufacturing, assembly and warehousing facilities in New Zealand, Australia, the United Kingdom and the United States. Trimax’s rotary and flail equipment can be found on such high-profile turf as England’s Silverstone Race Circuit and US PGA Championship courses.

“Trimax has had to learn to adapt to each of our different markets,” says Michael Sievwright. “We learned that we needed to design products to suit market-specific needs and preferences, relying on our technical foundations and pillars of culture to guide our connections to our customers.”

Looking to the future, Trimax says it will continue to build on its foundations and pillars to advance into the digital age, making smarter and more responsive systems and investigating the opportunities offered by emerging technologies such as automation and electrification.

“We’ve had 40 years of innovation which challenges the status quo. Thinking outside the box is something we’re good at because we’re driven to find better ways forward,” says Michael Sievwright.

Trimax’s brand video, “The Trimax Story,” can be found on the Trimax Mowing Systems website at



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