A proposed one-year pay freeze and four-day week at Tata-owned car giant Jaguar Land Rover are to be put to the vote next week.
The company's 15,000 workers will decide whether to accept the two-year deal in exchange for no more compulsory job losses.
The deal, aimed at saving £70 million, was thrashed out with union leaders after 1,800 agency, production and management jobs were axed amid the worsening downturn in the auto industry.
Unite, the largest union at the plant, is recommending acceptance, and the GMB union has predicted that its members will also accept the proposal.
Workers taking part in the ballot are based at sites including Castle Bromwich and Solihull in the West Midlands and Halewood on Merseyside.
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