Unimax UM series Tub Grinders designed for the most challenging recycling applications. Our Tub Grinders excel at processing yard waste, pallets and other mixed woody feedstocks into saleable products. Proven durability reduces downtime and maintains high resale value. Unimax Tub Grinders offer the lowest total cost of ownership. For more than 20 years, Unimax has been trusted those who are serious about growing their business.