Railroad ties are made from some of the hardest, most contaminated wood, requiring powerful, specialized equipment to process. CBI’s grinders and systems are built for this challenge, offering unmatched durability and high-volume performance. The CBI 6400 delivers exceptional results when grinding railroad ties, contaminated wood, and demolition debris, with four interchangeable rotors providing flexibility across multiple applications. For contractors tackling tough railroad tie recycling, CBI machines are the proven choice for efficiency and reliability.