Servo Gearboxes

Crank up the torque with a Servo Gearbox! The below gearboxes give you many options in torque, speed and rotation amount in order to power your robotic arm, tunnel hull outdrive, sailboat or any other creation you’ve conjured up that would over-tax a regular hobby servo.

SG12 Series

Driven by the goBILDA ‘Torque’ Servo, this gearbox is capable of 2450 oz-in of torque and over 1.75 turns while retaining positioning feedback. It runs on 4.8 - 7.4V and is the best bang for the buck option. Select your ratio, from 2:1 up to 7:1 to find the right balance of torque and speed.

SG12 Series - Continuous Rotation

While similar to the standard SG12 Series Gearbox, this model is a continuous rotation (open loop) servo gearbox, meaning that it has no limitation to the amount of travel given the signal that it receives controls the speed of the gearbox rather than the specific position.

SG20 Series

The SG20 is the king of Servo Gearboxes. It’s driven by Hitec’s flagship HSR-M9382TH, brushless, titanium geared, multi-turn servo for unparalleled performance. Pick from 5 different ratios to find the right blend of rotation, torque and speed!

SG20 Series - Continuous Rotation

The SG20 - Continuous Rotation model has no limit to the amount of travel. The HSR-M9382TH has been programmed so that the signal that it receives controls the speed of the gearbox rather than the specific position.