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Production of the CV Series will end Sept. 10, an International spokesperson told Transport Topics. (International)

International Motors is selling its Springfield Assembly Plant to Canadian manufacturer Roshel for an undisclosed sum, a decision that will also end the truck maker’s CV Series.

The sale came about because General Motors is axing its Chevrolet Silverado medium-duty line, which is assembled under contract at the Springfield, Ohio, facility.

Production of the CV Series will end Sept. 10, an International spokesperson told Transport Topics. The Class 5-6 diesel powertrain work truck was launched in 2018 as part of a joint venture with GM.

International sold 14,098 Class 5 and 6 trucks in the U.S. in 2025, according to Omdia Automotive data. The truck maker’s MV Series model is also available in Class 6 configurations.

Brampton, Ontario-based defense and commercial vehicle Roshel, meanwhile, is buying the assembly plant and specialty truck center in Springfield. The two facilities have a combined manufacturing space of more than 2 million square feet on 500 acres that includes an assembly line and paint booth.

International is selling the plant because a deal with GM to manufacture the Silverado medium-duty line was due to expire Sept. 30, 2026. GM is axing the Silverado 4500 HD, 5500 HD and 6500 HD models.

The majority of the plant’s capacity was tied up in the deal with GM. The remainder was dedicated to the CV Series.

Some 1,325 employees are currently employed at the plant. A new collective bargaining agreement with Roshel will be required once the deal with GM expires.

International’s contract production of the Class 4 and 5 Silverado work trucks emerged from a between the then-Navistar and Detroit-headquartered automaker.

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“With the end of our contract manufacturing agreement, we have been working diligently to find a suitable path for the Springfield assembly plant,” said Samara Strycker, chief financial officer at International. “We have been focused on finding a buyer that values the capabilities of this historic facility and the community. We believe this path forward positions the plant for long-term success, while utilizing the manufacturing expertise developed in Springfield over many decades.”

Before production of the Silverado and CV Series launched in 2018, the Springfield facility built HV Series and MV Series trucks. Both lines are currently manufactured at International’s San Antonio Manufacturing Plant in Texas.

Trucks have been manufactured at the Springfield site by International and its predecessors since 1961. The site won a reprieve in 1982 during International Harvester’s tumultuous reorganization, with the Fort Wayne plant losing out.

The International spokesperson told TT there would be no immediate changes to current roles or employee benefits at the plant, and no impact on retirees’ pension benefits.

International — also the parent company of school bus maker IC Bus — will operate four manufacturing plants once the sale of Springfield closes:

• The Escobedo Assembly Plant in Escobedo, Mexico
• The Huntsville Powertrain Plant in Huntsville, Ala.
• The San Antonio Manufacturing Plant
• The Tulsa Bus Plant in Tulsa, Okla.

A second shift at the Escobedo plant was cut in April 2025 due to the ongoing freight recession-induced downturn in Class 8 truck demand. A total of 900 jobs were cut.

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International CEO Mathias Carlbaum said then that no further manufacturing plant jobs would be cut.

However, International cut 300 corporate, salaried positions at the start of the first quarter of 2026 after posting two consecutive quarterly losses. A company spokesperson said in February that no hourly production plant staff departed.

Overall in 2025, International Motors’ truck and bus sales slumped 30% to 63,700 vehicles from 90,600 a year earlier.

International’s Class 8 retail sales in 2025 totaled 22,898 trucks, a decrease of 13.8% compared with 26,550 trucks in 2024, according to Omdia Automotive data. The truck maker won an 11% share of 2025 sales, compared with 11.1% in the year-ago period.

Editor's note: This article has been updated to clarify that a new collective bargaining agreement will be required between the plant’s current employees and its new owner.