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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 902-0064-000 |
| Category | Robotics |
| Performance | |
| Torque |
14.8V
438.96 oz-in
31.61 kg-cm
3.1 N-m
12.0V
354.00 oz-in
25.49 kg-cm
2.5 N-m
11.1V
325.68 oz-in
23.45 kg-cm
2.3 N-m
|
| Speed |
14.8V
0.15 sec/60°
402.7 deg/s
67.1 RPM
12.0V
0.18 sec/60°
329.7 deg/s
54.9 RPM
11.1V
0.20 sec/60°
300.0 deg/s
50.0 RPM
|
| Running Current |
14.8V
1.700 A
1,700 mA
12.0V
1.400 A
1,400 mA
11.1V
1.300 A
1,300 mA
|
| Stall Current | 1.3–1400 A1300–1400000 mABottom 10% |
| Radial Load | 30.0 N |
| Physical | |
| Weight | 2.54 oz72.0 gAverage |
| Shape | Boxed |
| Dimensions |
L 1.992 in W 1.398 in H 1.402 in L 50.6 mm W 35.5 mm H 35.6 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Gear Ratio | 193:1 |
| Rotation Mode | Multi-turn |
| Rotation/Support | Dual Bearings |
| Backlash | 20.000° |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 360° |
| Mechanical Limit | 360° |
| Neutral Position | 2048 µs |
| Angle Sensor | Contactless Absolute Encoder |
| Control System | RS485-PID |
| Programmable | Yes |
| Resolution | 4,096 pulse/rev |
| MCU | ARM CORTEX-M3 |
| Operating Modes | Velocity, Position, Extended Position, PWM |
| Signal Voltage | 5V |
| Electrical & Environment | |
| Operating Voltage | 10–14.8 V |
| Power Source | External |
| Temperature | -5–80 °C23–176 °F |
| Idle Current | 0.100 A100 mA |
| Connectivity | |
| Connector | 4-pin |
| Wire Length | 200 mm7.87 in |
| Baud Rate | 8 Kbps–4.5 Mbps |
Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.
Class Comparison
| Weight | Average Lighter than 64% of 145 Digital Large servos |
| Stall Current | Bottom 10% Lower draw than 3% of 97 Digital Large servos |
Performance Analysis
| Shaft Power | 3.01–5.45 W |
| Power Density | 1.395 W/in³ More power-dense than 49% of 110 Digital Large servos |
| Torque Density | 4.5233 oz-in/g |
| Torque-to-Volume Ratio | 83.42 oz-in/in³ |
| Speed-to-Weight | 0.06944 (1/sec·g) |
| Speed-Torque Trade-off | 65.14 |
| Current-per-Torque Ratio | 4.2987 A/oz-in |
| Idle-to-Running Current Ratio | 0.077 |
| No-Load vs Stall Current Spread | 1,076.92 |
| Voltage Range Width | 4.8 V Wider voltage range than 74% of 131 Digital Large servos |
| Backlash-to-Range Ratio | 0.05556 Tighter backlash than 10% of 22 Digital Large servos |
Notes
The MX-28R uses the RS-485 protocol, whereas the MX-28T uses TTL. The '2.0' designation indicates compatibility with DYNAMIXEL Protocol 2.0.
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