Driven by Diesel or Petrol / Kerosene Engine, Diamond wheel of 300mm dia., suitable for a cut of depth unto 110 mm is supplied with standard outfit. The trolley on which the engine is fitted also has a water rank which supplies a stream of water to keep the cutting blade cool during the operation. Adjustment to control depth of cut is also provided. A safety Guard is provided over the diamond wheel. Diamond wheels up to 600 mm dia., can be supplied at extra cost.