The CRAMBO dual-shaft shredder processes all types of wood and green waste to a fixed particle size. Slow-running screws with shredding tools minimize fine particle and noise/dust emissions and resist contamination. The particle size generated is configurable by exchanging screen baskets. A hydraulic drive with load-dependent speed control ensures maximum use of motor performance. The heavy-duty (HD) version processes difficult materials, including logs and stumps. It features 10% more horsepower, armored drum and teeth and heavy-duty gear box and drum bearing.