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By certification 
Characteristics:
►Low cost for mobilization, easy site installation,reliable operation performance, and easy maintenance.
►Classic model for intermediate and shallow wells with reliable and stable capacity.
►12*8 reinforced chassis, fast transportation and good cross-country capacity.
►Hydraulic disk brake for draw works is optional.
► Air-controlled water-cooling disk auxiliary brake for draw works is optional.
►Emergency power system is optional.
Technical Parameters:
Type ZJ20/1580CZ
Structure type Self-propelled
Drilling depth(4 1/2″ DP) 6600ft
Workover depth (3 1/2″ DP) 18000ft
Max. hook load 350000lbs
Engine's model CAT3412B DITA
Engine power 650hp or 660hp
Model for hydraulic transmission box CLBT6061
The transmission mode Hydraulic +mechanicl
Traveling system 4×5
Model for hook block YG135/ YG160
Model for swivel SL135/ SL160
Model for rotary table ZP175
Overall dimension (ft) 67×9×15
Weight of the main unit 130000lbs
►Low cost for mobilization, easy site installation,reliable operation performance, and easy maintenance.
►Classic model for intermediate and shallow wells with reliable and stable capacity.
►12*8 reinforced chassis, fast transportation and good cross-country capacity.
►Hydraulic disk brake for draw works is optional.
► Air-controlled water-cooling disk auxiliary brake for draw works is optional.
►Emergency power system is optional.
Technical Parameters:
Type ZJ20/1580CZ
Structure type Self-propelled
Drilling depth(4 1/2″ DP) 6600ft
Workover depth (3 1/2″ DP) 18000ft
Max. hook load 350000lbs
Engine's model CAT3412B DITA
Engine power 650hp or 660hp
Model for hydraulic transmission box CLBT6061
The transmission mode Hydraulic +mechanicl
Traveling system 4×5
Model for hook block YG135/ YG160
Model for swivel SL135/ SL160
Model for rotary table ZP175
Overall dimension (ft) 67×9×15
Weight of the main unit 130000lbs
