Vermeer has redesigned its HG6000 horizontal grinder, updating to a Tier 4-I engine. Cat C18 diesel produces 755 horsepower, up 20 percent over the previous model. Production and throughput can be adjusted through a dual-screen system that allows users to mix and match screens, reverse or change screens, and adjust the screen support in accordance with material type and requirements. The transition area between anvil and screen has been eliminated, boosting screen area by 20 percent.