... car applies to coal, metallurgy, electricity, railway departments of roadway, CMJ17J coal tunneling with hydraulic drillApplicable scope: CMJ17J ... face any position, accurate positioning, Construction of good quality, low cost of rock.5,With the borehole drilling gradually, ... minimum turning radiusm6Walking speedM/s,0.417Climbing ability ±16°Drill arm,liftingmm55 ° 16 ° / downSwing armIn the 14 ° 47 ° ...