Roto Grind is one of the top selling Tub Grinders in North America. The original machine was designed by Harvey Burrows in the mid 1970's. Today Roto Grind is still made by the Burrows family at their plant in Colorado. The famous tub grinder is known for the simiplicty of the machine and the low horsepower needed to run the grinder. Apple farm Service is your local Roto Grind dealership for Ohio and Eastern Indiana.