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Cyclo® Helical Buddybox (Cyclo® HBB)

Cyclo® Helical Buddybox (Cyclo® HBB)



Parallel shaft, helical gearbox with Cyclo® reducer input. Features keyless, Steel Taper-Grip® bushing for easy mounting.

  • Cycloidal input and oversized helical gearing provide high overload capability and exceptional reliability for long life
  • Available as C-Face or gearmotor input
  • No belts, sheaves, guards, or keyways
  • New CEMA flange option for screw conveyors
  • High performance steel gearing components provide 85-90% efficiency across all ratios
  • Steel Taper-Grip® keyless shaft bushing provides easy, cost-effective mounting and removal of hollow shaft units
  • Double output seals prevent leaks, maintain optimum lubrication and prevent harmful infiltration of contaminants

The Cyclo® HBB combines the long-proven Cyclo® reducer and a single stage offset parallel helical gearbox in a rugged integral, shaft-mounted design. The HBB incorporates the strength and flexibility of the Cyclo reducer with the adaptability of a shaft-mounted, reducer. With a 18-month warranty, regardless of hours of operation, the Cyclo HBB is an excellent choice for applications in material handling, shredders, specialty machine industries, conveyors, and other applications requiring a simple, convenient shaft mount reducer.


Ratios 11:1 up to 26,000:1 and greater
Torque Up to 8564.2500 Nm

Up to 75,800 in. lbs.

HP 0.0932 kW to 29.8279 kW

1/8 to 40 HP

Mounting Hollow Shaft, Flange, Face
Options Integral Motor, C-Face