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Rainbow, America's Country Store Belkorp Ag

Growing on a solid foundation of customer satisfaction.
Delivered by the local people you know.

Rainbow Ag is pleased to announce that Belkorp Ag, LLC (Belkorp Ag) has acquired the John Deere dealerships in Ukiah and Calistoga on March 1, 2013 from Rainbow Ag. The Rainbow Ag retail stores will continue to supply the area with lawn and garden equipment, irrigation, clothing, feed and supplies. The Mayfield family will continue to own and operate Rainbow Ag with locations in Ukiah and Lakeport.

According to Jim Mayfield, President of Rainbow Ag, “Rainbow Ag will continue to serve Lake and Mendocino Counties from our existing locations in Ukiah and Lakeport. Rainbow will miss our long association with John Deere, but Belkorp Ag will be a great steward of the John Deere customer relationships that we have worked hard to nurture and develop over the past 30 years.”

More Information


John Deere

Yanmar and Other Vineyard Crawlers

Handheld and Walk-Behind Equipment

Sales Personnel

Parts, Service and Warranty

Equipment Professionals

Bob Mitrovich - Mendocino, Northern Sonoma and Northern Napa Counties .

Bob has been selling John Deere tractors and farm equipment for over 30 years. He was born and raised in Calistoga and he grew up around farming and vineyards. Bob owned his own dealership for 19 years and was one of the youngest John Deere Dealers in the country. His specialties center around developing trusting relationships with his growers and he enjoys helping them choose the proper equipment to meet their needs. you can contact Bob by cell phone 707 737 4555, or e-mail.

Jerry Smith - Southern Napa, Southern Sonoma and Lake Counties - Grape Harvester Specialist.

Jerry Smith was born and raised in the Napa Valley. Jerry brings over 35 years of vineyard equipment experience to his position. Jerry is well versed in the latest vineyard equipment technologies. Jerry has been successful in the introduction of Bobard over the row equipment into the Napa Valley. When someone wants to know about vineyard practices and how they relate to the equipment industry manufacturers from all over the world seek Jerry's knowledge. You can contact Jerry through his cell phone 707 927 4206 or e-mail.

Val Moore - Sales Coordinator

Phone 707. 462. 2404 Ext 109
Fax 707. 462. 6283


John Deere

  • John Deere
  • Vineyard Tractor Specialists
  • Large Rental Return Fleet
  • Financing Programs Available
  • Tractors for the large and small property owners

John Deere Historic Model Year Horse Power Chart

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Specialty Vineyard Equipment and Implements

  • Hardi Sprayers
  • Gegoire Grape Harvesters
  • Air-O-Fan Sprayers
  • Kawasaki
  • T.G. Schmeiser Vineyard Disks, Rollers Seeders
  • Clemens Leaf Remover and Clemens Radial Weeder Clemens logo
  • Gegoire/ Legarde Vineyard Cane Cutters

  • Cricket Spreaders BBI Spreaders: fertilizer spreaders, manure spreaders and other commercial spreaders

  • Gearmore Sprayers and Implements
  • Kimco In-Row Mowers and Tillers
  • Kawasaki ATV and Mule Utility Vehicles
  • Pellenc Vineyard Equipment - Sunflower
  • Weedseeker Selective Spray Systems
  • Falc Shredders and Brush Choppers
  • Litefoot Rubber ATV tracks
  • Vrisimo Shredders and Mowers
  • Valley Town Dusters
  • BW Disks and Tillage
  • Domries Disks and Tillage Products
  • Aerway Disks and Tillage Products
  • BW Disks
  • Baiano In-Row Tillers
  • Atago Digital Hand-held "Pocket" Refractometer PAL Atago Logo
  • Western Square Shade Trailer Western Square Logo


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Vineyard Crawlers

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