Servo Gearboxes on a black background.

Servo Gearboxes

Engineered to support the demands of advanced servo motors, Brother servo gearboxes deliver high performance with compact designs, high torque, and low backlash. They are built to optimize space in tight automation systems, maintain maximum torque density, and meet precise motion requirements to help support operational efficiency.

    Performance & Versatility ↓
    Contact Us ↓
    Compact Gearboxes ↓
    High Precision Reducers ↓
    Additional Resources ↓

    Performance and Versatility for Demanding Motion Control Applications

    Servo Gearbox on a conveyer with a box.

    Compact and Efficient Designs

    Right-angle and parallel-shaft options enable space-saving integration.
    Wide Torque and Power Range

    Wide Torque and Power Range

    Power classes from 100 W to 3000 W and reduction ratios from 1/3 to 1/240.
    Precision Motion Control

    Precision Motion Control

    Low backlash specifications as tight as 1 arc minute (AF3 type).

    Contact Us

    Contact a Brother Gearmotor representative for more information on our lineup of Servo Gearboxes.

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    Compact, High-Precision Gearboxes

    Optimized for compact applications such as medical devices, robotics, and packaging machinery.

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    APG Type (Parallel Shaft / Planetary)

    • Planetary design with high torque
    • High-speed support: up to 7,000 r/min
    • Reduction Ratio: 1/3 to 1/100
    • Backlash: 3 / 15 minutes
    • Power Class: 100 W to 3000 W

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    AFC Type (Right Angle Shaft)

    AFC Type (Right Angle Shaft)

    • Space-saving right-angle configuration
    • Compact gear case design
    • Reduction Ratio: 1/3 to 1/60
    • Backlash: 3 / 30 minutes
    • Power Class: 100 W to 3000 W

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    High precision gearboxes

    Ideal for applications that require positioning accuracy and high-performance torque transmission.

    Two compact industrial gearboxes shown in a row.

    AF3 Type (Concentric Hollow Bore / Solid Shaft)

    • High-precision backlash of 1, 3, or 30 arc minutes
    • Reduction Ratio: 1/10 to 1/180 / 1/5 to 1/240
    • Power Class: 100 W to 2000 W
    • Flexible output options for custom configurations
    Two gray gear reducers arranged horizontally on a white background.

    AG3 Type (Parallel Shaft)

    • Foot or flange mounting options
    • Reduction Ratio: 1/5 to 1/200
    • Backlash: 30 arc minutes
    • Power Class: 100 W to 2000 W
    A precision gear motors displayed in a clean product lineup.

    AH2 Type (Right Angle Shaft)

    • Foot mounting
    • Reduction Ratio: 1/5 to 1/240
    • Backlash: 30 arc minutes
    • Power Class: 100 W to 2000 W
    Pair of heavy-duty industrial gearheads shown from a front angle.

    Gear Head Type

    Compact gear heads, engineered for easy mounting of servo motors, deliver high precision and stiffness in a small footprint. With eccentric oscillation reduction mechanisms and high-load-capable bearings, they’re designed to support demanding applications while offering flexible compatibility and integration.

    • Three frame sizes: OD: 73mm, 79mm, 93mm
    • Six-stage reduction options: 1/19, 1/29, 1/49, 1/79, 1/119*
    • Compact design with high precision and stiffness
    • Available with flange output, output shaft without key or shaft with key and tapped hole

    Additional Resources

    Servo Gearboxes Guide

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    Servo Gearboxes Selector Tool

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    Product Configurator

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    Product Configurator - Advanced Search

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    1. *Disclaimer: 1/119 reduction ratio available only for frame sizes 030 and 050.