John Deere Belt Tensioner. Made by same company for John Deere. We deal in many parts for many makes and models of tractors. The item “John Deere Automatic Belt Tensioner 230LC 230LCR 230LCRD 270LC 690ELC Excavator” is in sale since Wednesday, November 16, 2016. This item is in the category “Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Parts & Accessories\Belts”. The seller is “tractorboyparts” and is located in Modesto, California. This item can be shipped to United States.