... can be driven by drawworks, or DC motor independently. 5)The driller 's cabin integrates the electric, hydraulic, pneumatic ... for TDS installation.Parameter. Rig ModelZJ50DZJ70DNominal drilling depth, 127mm(5)DP,m50007000Max. hook load, kN(t)31503154500450dill line system ... height, m24.5, 25.5, 26.524.5, 25.5, 26.5SubstructureType DZ315/9-S DZ450/9(10.5)-SDrillfloor height99 (10.5)Clear height under ...