Helical gearbox with CYCLO® reducer input.

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

  • Parallel shaft gearmotor, with hollow output shaft
  • Integrated Cycloidal Technology
  • Long life and very high shock resistance
  • Abundant options and applied products
  • Ideal for Screw-Conveyor applications



Sumitomo’s Helical BuddyBox provides innovative shaft-mounted drive solutions for demanding applications. Helical BuddyBox combines the 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 Product Facts

0.1-30 kW
Motor Capacity
Reduction Ratio


Modular design
Interchangeable cast-iron housings in flange, face or shaft-mount configurations.
Long life and excellent shock resistance
The input stage uses our Cyclo speed reducer or planetary gear which allows a greater shock resistance than parallel shaft gears and a longer operating life.
Parallel shaft gearmotor, with hollow output shaft
Long life bearings
Oversized, heavy-duty bearings for maximum strength and service life.

Related BUDDYBOX products

Bevel Buddybox® H Series Gearmotor - Reliable and efficient gearmotor with bevel gearing for industrial applications
Bevel BUDDYBOX H-Series Gearmotor
Motor capacity
2.2 kW - 11 kW
3 HP - 15 HP
Reduction ratio
5:1 - 20:1
Shaft configuration
Right Angle
Bevel BUDDYBOX® 4 Series Gearmotor
Motor capacity
0.1 kW - 55 kW
0.13 HP - 75 HP
Reduction ratio
11:1 - 10658:1