Vermeer Begins Shipping First Iowa-Built Manure Spreaders

The company's new partnership with G.T. Bunning & Sons brings Vermeer's manufacturing capabilities to the MS400 spreader line.

Published on Feb. 5, 2026

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Vermeer Corporation has begun shipping the first MS400 manure spreaders produced at its facility in Griswold, Iowa, marking a significant milestone in the company's ongoing collaboration with alliance partner G.T. Bunning & Sons Ltd. The MS400 spreader has already established a growing presence in North America, and the new Iowa-built units will help Vermeer better meet the rising demand for the product across the continent.

Why it matters

The Vermeer-Bunning partnership combines Bunning's proven manure spreader design and engineering expertise with Vermeer's strong dealer network, customer support, and manufacturing capabilities. This allows the companies to bring a premium product to more farms and better serve the evolving needs of hay, forage, and livestock producers in North America.

The details

Vermeer first announced the alliance with Bunning in September 2024. The collaboration has brought Vermeer's sales, marketing, and support network together with Bunning's decades of manure spreader expertise. The two companies, which share deep agricultural roots, are now working to refine the MS400 product, add new features, and explore long-term development opportunities tailored for North American operations.

  • Vermeer first announced the alliance with Bunning in September 2024.
  • The first Griswold-built MS400 units are now shipping to dealers and customers across North America.

The players

Vermeer Corporation

An American manufacturing company that produces agricultural, construction, environmental, and industrial equipment.

G.T. Bunning & Sons Ltd

A Canadian company with decades of proven manure spreader expertise that has partnered with Vermeer to design and engineer the MS400 spreader.

Shane Rourke

The managing director of Vermeer Forage Solutions.

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What they’re saying

“Shipping the first MS400 units built in Griswold is a major step forward. Our partnership with Bunning has always been about combining strengths. Their proven design and strong engineering heritage, paired with our sales, marketing and support network continues to bring tremendous value to producers.”

— Shane Rourke, Managing Director, Vermeer Forage Solutions (farm-equipment.com)

“Our goal has always been clarity and consistency in how we communicate this partnership. This is a deep ongoing collaboration rooted in the strengths of both companies. This result is a premium product lineup supported by a unified team focused on keeping producers productive.”

— Shane Rourke, Managing Director, Vermeer Forage Solutions (farm-equipment.com)

What’s next

Vermeer and Bunning continue to work closely on future product refinements, expanded features, and long-term development opportunities for the MS400 spreader to better support North American operations.

The takeaway

The Vermeer-Bunning partnership demonstrates how combining the strengths of established industry leaders can lead to innovative solutions that better serve the evolving needs of agricultural producers. By leveraging their respective areas of expertise, the companies are able to bring a premium manure spreader product to more farms across North America.