We offer a broad range of new and used tub grinders, horizontal grinders and trommel screens designed to suit any industrial application. From high-volume composting to disaster cleanup and land clearing to stockpile tire disposal and solid waste reduction and recycling, no grinder outperforms the Diamond Z. Our trommel screens are the highest quality and most innovative products on the market. Diamond Z trommel screens feature integrated feed conveyors, heavy-duty construction, low-feed height, and an operator-friendly setup suited for any operation. Our trommel screens are the perfect complement to our entire industrial grinder line.