Jun 11, 2018 · Rubble Master has introduced its newest flagship impact crusher to the North American market. The RM 120GO! was unveiled at the company's annual demo days at Winzinger's Recycling Yard in Franklinville, New Jersey on May 8 to10. "The RM 120, I always say, is considered to be our masterpiece," said Gerald Hanisch, owner and CEO of Rubble ...