BK Series Bucket Elevator Gearboxes




1. Main Drive Gear Units: B Series Bevel Helical Gearbox
2. Auxiliary Drive: K Series Bevel Helical Gear Motor
3. Input Configurations:
Keyed Solid Shaft Input
Auxiliary Drive
4. Output Configurations:
Keyed Solid Shaft Output (Types: B3S…)
Keyway Hollow Shaft Output (Types: B3H…)
Shrink Disc Hollow Shaft Output (Types: B3D…)
5. Main Options:

  • Backstop
  • Freewheel Clutches(Overrunning Clutches)
  • Dip Lubrication Compensation Oil Tank
  • Forced Lubrication Oil Pump
  • Cooling Fan, Cooling Coils
  • External Cooling Devices
  • Fluid Coupling(Hydraulic Coupling)


  • Rated Power:7.3~1508kW
  • Input Speed:1500,1000,750r/min
  • Ratio:25~71
  • Output Speed:10.6~60r/min
  • Gear Arrangement: Bevel Helical Gearset
  • Shafts Position: Right Angle
  • Mounted: Horizontal Mounting
  • Housing: Cast Iron/Welding Steel Plate


Main Drive: Types: B3(S/H/D)…
Frame Sizes: 4, 5, … 17, 18
Ratio: 25, 28, … 63, 71
Auxiliary Drive: Types: KF… (Solid Shaft Output with Mounting Flange)
Frame Sizes: 38, 48, … 158, 168


1. BK series is a complete set of gear units integrated with B series industrial gearboxes and K series bevel helical gearmotors
2. Superior performance and high reliability for heavy-duty lifting applications
3. Large load capacity, high efficiency, long service life
4. Optional domestic or imported backstop and freewheel clutches


  • Bucket Elevators
  • Bucket Conveyors
  • Scraper Conveyors
  • Hoists
  • Winches
  • Freight Lifts
  • Passenger Elevators
  • Escalators


Horizontal Mounted


Oil Dip and Splash Lubrication
Forced Lubrication


Natural Cooling
Auxiliary Cooling Devices