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Portable "Stone Cutter" Cuts Big Rocks
I recently finished building my own portable "stone cutter" that's designed to cut big rocks into widths from 2 to 20 in. The rig mounts on a two-wheeled trailer and is powered by an 18 hp Briggs & Stratton twin cylinder gas engine. The machine is equipped with a series of 38 teeth made from 1-in. sq. heat-treated, hardened steel. The engine direct-drives a hydraulic pump that operates a pair of big hydraulic cylinders which, as they come down, cause the teeth to put pressure on the rock and pop it in two.
  The unit works on rocks up to 2 ft. wide and 6 in. thick. The teeth are free to go up or down 3/4 of an inch. A kerosene pump washes away sand and keeps the teeth clean.
  I'm 80 years old and am willing the sell my stone cutter for about $26,000. (Steve Manek, 21539 N.E. 36, Harrah, Okla 73045 ph 405 454-3086)


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2002 - Volume #26, Issue #1