Magazine article from our research archive:

Mastenbroek.(Equipment Spotlight: TRACK TRENCHERS & ROCK SAWS)

Mastenbroek trenchers are joined by the HRT (Hard Rock Trencher) range, capable of excavating trenches up to 17 feet in depth and 6.6 feet wide. Unlike conventional trenchers where a rear-mounted digging boom is pulled onto the rock face, the fully patented HRT puts the reciprocating boom at the front of the machine, pushing an endless cutting chain into the bottom of the trench to create an undercut. The cutting head is then progressively raised through the material until it breaches the surface, at which point the ...

Related newspaper, magazine, and journal articles:

See all results. Or, try our Advanced Search.

Newsweek Harper's Magazine The Washington Post Chicago Tribune Crain's Chicago Business PRNewswire Pediatric News The Nation Advertising Age The Economist (US) A FREE trial gives you access to over 60 million articles! Access over 3,500 publications with a FREE trial!