Helical Buddybox®

Helical gearbox with Cyclo reducer input. Features keyless, Steel Taper-Grip® bushing for easy installation.

Offset parallel, helical gearbox in a rugged integral, shaft-mounted design.

  • Integrated Cyclo® technology
  • Keyless Taper-Grip® Bushing or Keyed Hollow Bore
  • Ideal for Screw-Conveyor applications


Cyclo® HBB

Sumitomo’s Helical Buddybox® (Cyclo® HBB) speed reducers and gearmotors provide innovative shaft-mounted drive solutions for demanding applications. The Cyclo® HBB combines the quiet, efficient and reliable performance of the Cyclo® input with the rugged helical-gear output. The modular design provides a compact, efficient product and the most flexible range of output speed and torque combinations available.

Key Facts

93 %
100 mm
Max Bore Size
30 kW
Max Rating
Modular Design
Interchangeable cast-iron housings in flange, face or shaft-mount configurations.
Cyclo® Technology
Quiet, efficient and reliable operation with high-torque density and compact size.
Taper-Grip® Bushing
Provides quick, easy mounting and removal of the unit without the need for a custom shaft.
No Thermal Limitations
Highly-efficient design never needs an external fan.
Rugged Monoblock Housing
Monoblock-housing design eliminates the possibility of leaks at housing split.
CEMA Screw Conveyor
CEMA standard shafts and compact design eliminates belts, sheaves and guards, saving space and reducing maintenance.
Double-Output Seals
Prevent lubricant leaks and protect from contamination.
Mounting Versatility
Flange, Face, and Shaft Mounting options allow for universal mounting.
Long Life Bearings
Oversized, heavy-duty bearings for maximum strength and service life.

Related BuddyBox® products

Bevel Buddy Box with IE5 Moto
Bevel BuddyBox® with IE5 Gearmotor
Bevel Buddybox® Reducer H-Series
Power range
2.20 kW - 11.00 kW
3.00 HP - 15.00 HP
Ratio range
5.00:1 - 20.00:1
Shaft configuration
Right Angle
Bevel Buddybox® 4 Gearmotor
Power range
0.10 kW - 55.00 kW
0.13 HP - 75.00 HP
Ratio range
11.00:1 - 26492.00:1