MODEL:U.S Met ZJ70/4500DB
Nominal drilling depth: 14800~23000ft4500~7000m(41/2"DP)
13100~19700FT 4000~6000M(5"DP)
Max.hook load : 992000lps 4500kN
Max.drill stem load 485000lps 2200kN
Drawwoks max.input power 2000HP 1470kw
Drawworks speed steps: stepless
Main brake model: Hydraulic disk brake /brand brake
Auxiliary brake model: Eddy consumption brake/eddy current brake /E.T.N brake
Model:ZJ70/4500L ZJ70/4500LD ZJ70/4500OD ZJ70/4500DB ZJ70/4500BF