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Technical Specifications
Last Updated: 2026-10-06
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | T-40 |
| Category | Hobby |
| Performance | |
| Torque |
12.0V
555.50 oz-in
40.00 kg-cm
3.9 N-m
8.4V
458.28 oz-in
33.00 kg-cm
3.2 N-m
6.0V
361.07 oz-in
26.00 kg-cm
2.5 N-m
Above Average
|
| Speed |
12.0V
0.05 sec/60°
1,200.0 deg/s
200.0 RPM
8.4V
0.05 sec/60°
1,111.1 deg/s
185.2 RPM
6.0V
0.08 sec/60°
769.2 deg/s
128.2 RPM
Above Average
|
| Physical | |
| Weight | 2.68 oz76.0 gBelow Average |
| Drivetrain | |
| Motor Type | Brushless |
| Motor Drive | MOS |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Shaft Size | 6.0 mm |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 90° |
| Mechanical Limit | 300° |
| Neutral Position | 1500 µs |
| Refresh Rate | 333 Hz |
| Control System | Multi-Protocol |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 6–12 V |
| Certification | CE | ROHS |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 330 mm12.99 in |
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
| Torque | Above Average Stronger than 79% of 846 Digital Standard servos at 6.0V |
| Speed | Above Average Faster than 87% of 834 Digital Standard servos at 6.0V |
| Weight | Below Average Lighter than 17% of 1820 Digital Standard servos |
Performance Analysis
| Shaft Power | 8.56–20.54 W |
| Torque Density | 4.7509 oz-in/g Stronger than 75% of 835 Digital Standard servos |
| Speed-to-Weight | 0.16869 (1/sec·g) Faster than 76% of 824 Digital Standard servos |
| Speed-Torque Trade-off | 28.16 Better balanced than 52% of 829 Digital Standard servos |
| Torque Gain per Volt | 8.97%/V More voltage-responsive (torque) than 15% of 675 Digital Standard servos |
| Speed Gain per Volt | 9.33%/V More voltage-responsive (speed) than 14% of 689 Digital Standard servos |
| Voltage Range Width | 6.0 V Wider voltage range than 98% of 1273 Digital Standard servos |
Notes
This servo can accept multiple protocol types - PWM, DSHOT, SBUS, UR, XR, SSR, SUR, SXR.
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Other Versions
This model has 2 other versions. Only specs that differ are shown.
MT-40
- Size Class Mini
- Weight 46 g
- Torque @ 6V 12 oz-in
- Torque @ 8.4V 15 oz-in
- Torque @ 12V 20 oz-in
ST-40 Low Profile
- Size Class Low Profile
- Weight 71 g
- Torque @ 6V —
- Torque @ 8.4V —
- Torque @ 12V —
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