Jeremy Matuszewski of Thunderstruck Ag Equipment at AIM 2025.

Prairie-made combine concaves make Time top inventions list

Thunderstruck Ag Equipment of Winkler earned a place on Time’s list of top 100 influential inventions for their Razors Edge combine concave

Thunderstruck Ag Equipment of Winkler, Manitoba earned a place on Time’s list of top 100 influential inventions for its Razors Edge combine concave, designed to improve efficiency at harvest.

Razors Edge concaves use a variable spacing design and sharpened, notched bars which improve threshing performance, according to the company.

New aftermarket rotary combine concaves designed for all crops

Variable spacing on Thunderstruck Ag's Razors Edge concaves eliminates need for cover plates

Having one set of combine concaves that can handle all seed sizes efficiently without the use of cover plates can be a timesaver when switching fields. Winkler, Man.-based Thunderstruck Ag has just introduced its own Razors Edge concave design to make that a possibility. “We’ve been working with concaves for the last seven years and […] Read more


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VIDEO: Learn how to maintain your John Deere drill

John Deere drill specialist and technician Logan Wemyss of the engineering firm Aricks Australia is in Canada this summer working with Thunderstruck Ag Equipment of Winkler, Man. His mission? Helping owners of late model John Deere drills better understand how to maintain the openers on them. His company also offers a range of specialty parts to upgrade […] Read more