Detailed Product Description Gasoline Powered Rock Drill - YN27CYN27C Gasoline Powered Rock Drilling Machine is available for drilling, road breaking & construction, mining, quarrying and national defense construction, etc.Product SpecificationsWeight27kgsOverall Dimension746x315x229mmEngine TypeSingle Cylinder, Air Cooled Two StrokesCylinder Dia. x Piston58x70mmRotating Speed of Engine≥ ...