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

Jim Mayfield, President of Rainbow Ag says, "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.”

"Rainbow is committed to bringing you the highest quality brand name products at the lowest prices. Our commitment to the customers and the communities we serve will be strengthened. We will be looking for ways to grow the fantastic lines we represent. You will continue to find Stihl, Honda, Purina, Wrangler, Justin, Carhartt, Husqvarna, pet foods, livestock feeds, repair service, parts and dozens of other brand name items at Rainbow."

Be watching as we look for new ways to grow and increase the services and products Rainbow provides.

For more information contact: Jim Mayfield, President Rainbow Ag at ... or message us on

Rainbow has a complete Service and Repairs Department at the Ukiah location, servicing all brands of Outdoor Power Equipment

Rainbow Ag Service Departments
Ukiah, Lakeport

Product Support

Pickup and Delivery Service

Field Service

Technical Support

Rainbow Ag Service Department

  • Our primary mission is to service what we sell. We have the capability to work on a wide variety of equipment, however parts and technical support may affect the timeline for completion of repairs on tractors and implements our company doesn't sell. Our strength is in repairing those products lines we carry in our showrooms and equipment display areas. Our technicians are required to attend training courses both on site and on line in order to maintain high standards of technical knowledge and proficiency. Our Ukiah facilities handle the servicing of equipment. Lakeport shuttles equipment for repair between Ukiah and Lakeport store once a week.


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Service Commitment

  • Our number one priority is to keep your equipment in the field as much as possible. Turnaround times depend on the season and complexity of the repairs. We are committed to maintaining the product lines we carry in an efficient and economical manner.


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Product Support - We carry and service the following quality lines

  • John Deere
  • Yanmar
  • Stihl
  • Husqvarna


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Pick Up and Delivery Service

  • Equipment pickup and delivery is available. Rates depend on the distance to our respective facilities


Field Service

  • Field Service is available throughout the seasons (Scheduling will vary depending on seasonal workload). Rates depend on distance and time to jobsite. Major repairs will be performed at our Ukiah or Calistoga facilities.


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Technical Support

  • If you can't find the information you're looking for in your operators manual, we can usually help. Maintaining your equipment can be as simple as a phone call or email to or Clay Bellamy in Ukiah.
  • Ukiah - Service Manager Clay Bellamy, Phone 707 462 2404, Fax 707 462 2252, email Ukiah Service Department