Buhler Belt Conversion Timing Parts. Brand new. Can be used for Buhler MDDK, MDDL. You can used this part to replace gearbox with time belt. We can deliver the parts to you or if you order rollermills at the same time we can do the replacement for you. Discount applies when you purchase two sets of parts at the same time (remember one rollermill needs two sets of time belt). More discount applies when purchased with rollermills.