济宁东宏机械设备有限公司
Jining Donghong Machinery Co., Ltd
Quality supplier of drilling rig parts for Bomco,Lanzhou LS, Honghua, Sj petro, Rg Petro, Beijing BPM, Shenkai, Kingdream, CCDC

ProfileOur CertificateOur AdvantageMission StatementQuality Control SystemOilfield Equipment/Drilling Rig Parts/ComponentsHeavy Equip and PartsTruck-mounted drilling rigTrailer-mounted drilling rigModular drilling rigBigEasy drilling rigHelicopter drilling rigSJ PetroleumTruck-mounted drilling rigsRG Petro drawworksRG Hook blockRg petro traveling blockRg petro hookRg petro crown blockRg petro rotary tableRg petro swivelNanyang RG PetroleumDC electric drive drilling rigAC Variable-frequency electric drive drilling rigMechanical drive drilling rigCombined drive drilling rigLand drilling rigTruck mounted drilling & workover rigsBomco rotary tableBomco swivelBomco traveling blockBomco hooksBomco crown blockBomco drawworksBomco mud pumpBomco/Baoji OilfieldHonghua Crown blockHonghua SwivelHonghua HookHonghua drawworksHonghua traveling blockHonghua rotary tableSichuan HonghuaDC motor driven drilling rigAC Variable Frequency Motor Driven Drilling Rigs Mechan-Electric Drilling RigsMechanical Driven Drilling RigsLanzhou Crown BlockLanzhou Traveling blockLanzhou HookLanzhou Hook BlockLanzhou SwivelLanzhou Rotary TableLanzhou DrawworksLanzhou Eddy current brakeLanzhou Mud pumpLanzhou Compound Transmission UnitLanzhou MastLanzhou SubstructuresLanzhou LS-NOWBPM Control System for Surface Mounted BOP StacksBPM Top driveBPMF/BPM(Beijing Petroleum)Renqiu Boke(Forward)Hysun MarineGGPMF/DONGSU(BOP CONTROL)FlowroxShenkai BOPShanghai ShenkaiCasing spoolKilling manifoldChoke manifoldKingdream Gate valveKingdream Choke valveKingdream check valveChengde KingdreamDrawworks Hydraulic Disc BrakeCentrifugal pumpMud Pump PartsBOP превенторBOP Control UnitSolid Control EquipmentWellhead Equipment & ToolsDownhole ToolsDrilling Rig Components & OthersDrawworks and PartsOther PartsRG Water Drilling Rig PartsSafety ProductHP Flow Line ProductsCrown blockUniversal JointBearingBladder AccumulatorBomco
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CPTDC ​Mechanical drawworks 
Brand: CPTDC
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Mechanical drawworks


ModelJC10JC15JC20JC30
Drawworks typeDouble drum or single drumDouble drum or single drumDouble drum or single drumDouble drum or single drum
Draw-works HP450550650750
Drum size (D×W) mm429×965429×965480×914.5480×914.5
Main brake type.Band type or hydraulic disc typeBand type or hydraulic disc typeBand type or hydraulic disc typeBand type or hydraulic disc type
Cooling methodForce spray water coolingForce spray water coolingForce spray water coolingForce spray water cooling
Auxiliary brakeSR22” hydro brakeSR22” hydro brake202 SR hydro brakeWCB224 disc brake
Speed of drawworks5 forward 1 reverse5 forward 1 reverse5 forward 1 reverse5 forward 1 reverse
Sand drumOptionalOptionalOptionalOptional



ModelJC40JC50JC70
Drawworks typeDouble drum or single drumDouble drum or single drumDouble drum or single drum
Draw-works HP1, 0001,5002,000
Drum size (D×W) mm640×1, 77.4685×1,144770×1,241.6
Main brake type.Band type or hydraulic disc type1 3/8" (35)1 1/2" (38)
Cooling methodNatural air cooling335475
Auxiliary brakeWCB236 disc brake4+2R or 6F+2R4+2R or 6F+2R
Speed of drawworks4forward 2reverseBand type or hydraulic disc typeBand type or hydraulic disc type
Sand drumOptionalEddy current brake or eaton brakeEddy current brake or eaton brake


ModelJC40BJC70B
Rated input power kW7351, 470
Max pulling of fast line kN280487
Diameter of 1-1/4” (32)1-1/2” (38)
drilling line in (mm)
Drum size (D×W) mm640×1, 280770×1, 310
Sand drum size
(D×W) mm
Sand drum capacity m
Hoisting speed4F+2R4F (6F) +2R
Auxiliary brakeEddy current brake
Overall dimensions6, 300×2, 628×2, 6997, 100×2, 920×2, 945
(L×W×H) mm
Weight kg28, 00046, 050