MG20KG 20KG 180° High Torque Metal Copper Gear Digital Servo for Robot Arm
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Description
The MG20KG 20KG 180° High Torque Metal Copper Gear Digital Servo for Robot Arm delivers 20.0kg·cm with a 0.15s/60° @5V; 0.13s/60° @6.8V transit time, running on 3.7-7.2V DC.
It is built with a Metal Copper Gear train, Top & Bottom Bearings, not waterproof construction, 68g weight, 40x20x46mm body.
A conventional brushed DC motor keeps the cost down and the torque curve predictable, which suits general-purpose RC and robotics use.
Rated for 3.7-7.2V DC: confirm that your BEC or receiver pack can supply the stall current of this servo before you install it, especially if you are driving several servos from one source.
Operating angle is available in 180° (270°/360° customizable), so the same body can be ordered for standard control-surface work or for winch and robot-joint applications that need more than 180°.
This torque class is the standard fit for 1:10 and 1:8 RC cars, boats and general robotics – enough holding force for rough terrain without adding excess weight.
Ordering for a build or a distribution line? Tell us the torque, voltage range and connector you need and we will quote it. See also the full Yadovex range and our guides on choosing 6S long-range motors and 7-inch vs 9-inch propulsion.
Key specifications
| Torque | 20.0kg·cm |
| Speed | 0.15s/60° @5V; 0.13s/60° @6.8V |
| Voltage Range | 3.7-7.2V DC |
| Operating Angle | 180° (270°/360° customizable) |
| Motor Type | Digital |
| Gear Material | Metal Copper Gear |
| Bearing | Top & Bottom Bearings |
| Waterproof Rating | Not Waterproof |
| Weight | 68g |
| Dimensions | 40x20x46mm |
The MG20KG is a high-torque 20kg·cm metal copper gear digital servo designed for robot arms, robotic arms and mechanical arm applications. Precision solid brass gears with top and bottom bearings deliver smooth, durable and accurate motion control.
This model is factory set to 180° rotation. 270° and 360° rotation versions are available on request for customization.
Specifications
| Model | MG20KG (20KG series) |
| Servo Type | Digital Servo |
| Torque | 20.0 kg·cm |
| Operating Speed | 0.15s/60° @5V; 0.13s/60° @6.8V |
| Operating Voltage | 3.7-7.2V DC |
| Power Current | 5A |
| Operating Angle | 180° (270°/360° customizable) |
| Dead Band | 3μs |
| Gear Type | Metal Copper Gear |
| Bearing | Top & Bottom Bearings |
| Operating Temperature | -20°C ~ +60°C |
| Dimensions | 40 x 20 x 46mm |
| Weight | 68g |
Package includes: 1x servo, damping rubber sleeve, aluminum sleeve, mounting screws.
This product is intended for lawful use only (aerial photography, agriculture, industrial inspection, education, and recreational FPV / RC applications). Please check and comply with all applicable local, national, and international laws and regulations in your country/region before purchase and use, including drone, aviation, export, and import regulations.
By purchasing, you confirm the product will be used for legal purposes only. Yadovex reserves the right to decline orders that we believe may be used for prohibited purposes. For our full policy, see our Disclaimer and Compliance & Export Control Policy.
Related models and guides
Same series: MG25KG 25KG 180° High Torq | MG30KG 30KG 180° High Torq | MG35KG 35KG 180° High Torq
Browse: Robot Arm & Bionic Hand Servos | all RC servos
Related ranges: brushless waterproof servos | robot arm and bionic hand servos | micro servos
Read: Brushless vs Brushed Motors for Drones
Frequently asked questions
What torque does the 20kg servo deliver?
It is rated at 20.0kg-cm. Transit time is 0.15s/60° @5V; 0.13s/60° @6.8V. This torque class covers 1:10 and 1:8 RC cars, boats and general robotics.
What voltage does this servo need?
It runs 3.7-7.2V DC. Check that your BEC or receiver pack can supply the stall current before you install it.
Is this servo waterproof?
This model is not sealed, so keep it away from water. For wet conditions choose a waterproof servo from our brushless waterproof range.
Do you supply these servos in bulk?
Yes. We supply samples for validation and then repeat bulk orders with custom wiring, connectors and OEM packaging.
Related products in this range
D5545GS 45KG Coreless Waterproof Digital Servo for RC Models | DC5515 15KG Waterproof Digital Servo for RC Cars & Boats | DC5525 25KG Waterproof Digital Servo for RC Cars & Boats
Additional information
| Torque | 20.0kg·cm |
|---|---|
| Speed | 0.15s/60° @5V; 0.13s/60° @6.8V |
| Voltage Range | 3.7-7.2V DC |
| Operating Angle | 180° (270°/360° customizable) |
| Motor Type | Digital |
| Gear Material | Metal Copper Gear |
| Bearing | Top & Bottom Bearings |
| Waterproof Rating | Not Waterproof |
| Weight | 68g |
| Dimensions | 40x20x46mm |
| Dead Band | 3μs |
Quick Comparison
| MG20KG 20KG 180° High Torque Metal Copper Gear Digital Servo for Robot Arm remove | MG35KG 35KG 180° High Torque Full Steel Gear Digital Servo for RC Car remove | HB25KG 25KG Brushless Waterproof Digital Servo for Boats remove | HB7535GS 35KG Brushless Waterproof Digital Servo remove | D5555GS 55KG Coreless Digital Servo for RC Models remove | HB55KG 55KG Brushless Waterproof Digital Servo for Heavy Duty remove | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Name | MG20KG 20KG 180° High Torque Metal Copper Gear Digital Servo for Robot Arm remove | MG35KG 35KG 180° High Torque Full Steel Gear Digital Servo for RC Car remove | HB25KG 25KG Brushless Waterproof Digital Servo for Boats remove | HB7535GS 35KG Brushless Waterproof Digital Servo remove | D5555GS 55KG Coreless Digital Servo for RC Models remove | HB55KG 55KG Brushless Waterproof Digital Servo for Heavy Duty remove | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| SKU | MG20KG-20KG | MG35KG-35KG | BL25KG-25KG | HB7535GS-35KG | D5555GS-55KG | BL55KG-55KG | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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