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Main Features
ZJ40/2250L drive model: mechanical transmission, diesel engine + decelerator, chain compound + cardan shaft
ZJ40/2250J drive model: diesel engine + decelerator + belt compound + intermediate axle
Main Technical Parameters
Model ZJ40/2250J ZJ40/2250L ZJ40/2250LDB ZJ40/2250DB
Drilling depth （114mm） 4000m 4000m 4000m 4000m
Max hook load 2250 kN 2250kN 2250kN 2250 kN
Traveling system structure 5×6 5×6 5×6 5×6
Fast line diameter φ32mm φ32mm φ32mm φ32mm
Max. pull of fast line 280 kN 280 kN 280 kN 280kN
Power of drawworks 735kW 735 kW 735 kW 735 kW
Speed of drawworks 4F+ 4R 4F+ 2R 4F 1F，
Stepless speed
regulation
Model of rotary table ZP275 ZP275 ZP275 ZP275
Mast JJ225/43-K JJ225/43-K JJ225/43-K JJ225/43-K
Substructure DZ225/7.5-K DZ225/7.5-K DZ225/7.5-K DZ225/7.5-K
ZJ40/2250 Series Petroleum Drilling Rig--2500m-4000m