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The MG946R is a high-performance digital metal gear servo and the upgraded version of the popular TowerPro MG945. It features a new PCB and IC control system for improved accuracy, tighter dead bandwidth, and better centering performance. With upgraded internal gearing and a stronger motor, this servo delivers exceptional torque and reliable operation for demanding applications.
Designed for use in 1/8 scale RC buggies, monster trucks, and a wide range of robotics and automation projects, the MG946R offers robust durability and precise control in a standard-size package.
Upgraded version of the TowerPro MG945 with improved electronics and motor.
High torque up to 13kg/cm at 6V, suitable for heavy-duty RC and robotic applications.
Full metal gear construction for enhanced strength and longevity.
Digital control for faster response, greater holding power, and better accuracy.
Compatible with JR and Futaba-style connectors.
1/8 RC buggies and monster trucks
Robotic arms and claws
Arduino and Raspberry Pi control systems
RC boats, helicopters, and cars
Automation and mechanical projects requiring precise servo control
| Specification | Value |
|---|---|
| Weight | 55g |
| Dimensions | 40.7 × 19.7 × 42.9 mm |
| Stall Torque | 10.5kg/cm @ 4.8V; 13kg/cm @ 6V |
| Operating Speed | 0.20 sec/60° @ 4.8V; 0.17 sec/60° @ 6.0V |
| Operating Voltage | 4.8V – 6.6V |
| Gear Type | Full Metal Gears |
| Temperature Range | 0 – 55°C |
| Dead Band Width | 1µs |
| Power Supply | External Adapter Required |
| Servo Plug Type | JR (compatible with JR and Futaba) |
| Servo Wire Length | 32cm |
| Idle Current Draw | 10mA |
| No Load Current Draw | 170mA |
| Stall Current Draw | 1200mA |
Do not power directly from an Arduino. Use a regulated 5V–6V external power source capable of delivering at least 2A–3A.
Always connect a common ground between your power supply and microcontroller for stable operation.
