GM details plans for SRX, engine production in Tenn.

An Equinox moves along the assembly line in Spring Hill, Tenn., earlier today. Photo credit: GM

UPDATED: 8/27/14 11:59 am ET - adds link, photo

DETROIT -- General Motors said today it will invest $185 million to make small engines at its Spring Hill, Tenn., assembly plant, while relocating production of the next-generation Cadillac SRX to that factory from a facility in Mexico.

GM confirmed plans, reported earlier in Automotive News, to shift SRX production to Tennessee from its plant in Ramos Arizpe, Mexico.

GM said last year that it would spend $350 million to prep Spring Hill for two future "midsize" vehicles. The SRX is one: A GM executive said this month that the redesigned crossover would arrive in late 2015.

GM today wouldn't disclose the second vehicle planned for the plant. Industry forecasters expect GM to move production of the next-generation GMC Acadia to Spring Hill, from a plant in Lansing, Mich. It's expected to go into production in the second quarter of 2016.

The Spring Hill assembly plant served as GM's Saturn factory from 1990 until 2007. It made the Chevy Traverse for two years before being shuttered in late 2009. It reopened in 2012 with limited production of the Equinox crossover.

The company wouldn't say whether the investment would add jobs to Spring Hill's work force of about 1,950 UAW and salaried employees.

UAW Region 8 Director Ray Curry, in a statement, said: “These expansions are a clear sign of the hard work and dedication of the members of UAW Local 1853 and the strong relationship the UAW and GM have built."

The $185 million investment into the engine plant at Spring Hill will go toward tooling for a new small-displacement gasoline engine. The factory is one of six engine plants globally that will produce the motor, which is expected do service in several of the GM's highest-volume small cars and crossovers.

GM also said it will spend $48.4 million on upgrades to a powertrain castings plant in Bedford, Ind.

You can reach Mike Colias at



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