A white 2007 GMC pickup was stolen from a potato field on Upcountry Road, according to a post on the Fort Fairfield Police Department's Facebook page.
The theft took place between Sunday and Monday.
Police said the vehicle has a Maine farm registration 78-722.
Authorities also said it was a former Emera Maine work truck and may still have some of the company's decals on it.
Anyone who sees the truck is asked to call 911 or Fort Fairfield police.