Serving friends and farmers for more than 40 years. Green Valley Tractor is located on Interstate 80 and the new Suisun Parkway, halfway between San Francisco and Sacramento, just a few miles from Napa Valley. Situated on a 13-acre agricultural site, our location provides excellent facilities for on-site demonstration of our equipment. Conveniently situated across I-80 from Budweiser and the Fairfield Auto Mall, exit 44A Suisun Parkway.