... for TDS installation. Rig ModelZJ20DBSZJ30DBSZJ40DBSZJ50DBSZJ70DBSNominal drilling depth, 127mm(5)DP, m 20003000400050007000Max. hook load, kN(t)1350(135)1700(170)2250 ... .55 or 5.57.5910.5Clearance height under rotary beam, m 2.6 or 3.33.8 or 4.367.69Mud ... ,30,40,50,70,90DBS,drill rig,factory price,09new style,tech from USA