K Series Gearbox Selection Guide – 4 Steps to Choose the Right Model

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Step 1 – Define your application

What equipment? (conveyor, mixer, crusher, etc.)

Load type? (constant, shock, reversing)

Duty cycle? (continuous or intermittent)

Step 2 – Calculate requirements

Required output torque (N·m) = (Power × 9550) / Output Speed

Required ratio = Input RPM / Required Output RPM

Add service factor based on load type

Step 3 – Match to model

Find the smallest K series model that meets torque and ratio

Models: K37 → K187

Step 4 – Confirm mounting

Foot / Flange / Hollow shaft?

M1-M6 position?