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Technical Specifications
Last Updated: 2026-10-27| Identity | |
| Brand |  |
| Product Number | 30155 |
| Category | Hobby |
| Performance | |
| Torque |
12.6V
2,405.97 oz-in
173.25 kg-cm
17.0 N-m
12.0V
2,291.85 oz-in
165.03 kg-cm
16.2 N-m
10.0V
2,083.50 oz-in
150.03 kg-cm
14.7 N-m
Above Average
|
| Speed |
12.6V
0.19 sec/60°
315.8 deg/s
52.6 RPM
12.0V
0.21 sec/60°
285.7 deg/s
47.6 RPM
10.0V
0.24 sec/60°
250.0 deg/s
41.7 RPM
Below Average
|
| Running Current |
12.6V
6.000 A
6,000 mA
12.0V
5.000 A
5,000 mA
10.0V
4.000 A
4,000 mA
Below Average
|
| Stall Current | 7.4–8.3 A7400–8300 mABelow Average |
| Physical | |
| Weight | 5.82 oz165.0 gAbove Average |
| Dimensions |
L 2.56 in W 1.18 in H 1.89 in L 65.0 mm W 30.0 mm H 48.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | DC |
| Gears | Copper / Aluminum |
| Gear Spline/Teeth | 18 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 180° |
| Pulse Cycle | 3.003 ms |
| Pulse Width | 500-2500 µs |
| Neutral Position | 1520 µs |
| Dead Band | 3 µs |
| Refresh Rate | 333 Hz |
| Control System | PWM |
| Programmable | Yes |
| Signal Voltage | 5V |
| Electrical & Environment | |
| Operating Voltage | 10–12.6 V |
| Temperature | -15–70 °C5–158 °F |
| Water Rating | IP66 |
| Idle Current | 0.006 A6 mA |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 320 mm12.6 in |
| Origin | |
| Country of Origin | China |
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 90% of 88 Digital Giant servos at 10.0V |
| Speed | Below Average Faster than 24% of 89 Digital Giant servos at 10.0V |
| Weight | Above Average Lighter than 75% of 168 Digital Giant servos |
| Running Current | Below Average Lower draw than 11% of 29 Digital Giant servos at 10.0V |
| Stall Current | Below Average Lower draw than 32% of 108 Digital Giant servos |
Performance Analysis
| Shaft Power | 16.05–23.41 W |
| Power Density | 4.101 W/in³ More power-dense than 96% of 136 Digital Giant servos |
| Torque Density | 12.6273 oz-in/g 1st-highest torque density of 85 Digital Giant servos |
| Torque-to-Volume Ratio | 364.93 oz-in/in³ 2nd-highest torque-to-volume ratio of 88 Digital Giant servos |
| Speed-to-Weight | 0.02525 (1/sec·g) Faster than 42% of 86 Digital Giant servos |
| Speed-Torque Trade-off | 500.04 Better balanced than 89% of 85 Digital Giant servos |
| Current-per-Torque Ratio | 0.0040 A/oz-in More efficient than 78% of 47 Digital Giant servos |
| Idle-to-Running Current Ratio | 0.002 4th-highest idle-to-running current ratio of 23 Digital Giant servos |
| No-Load vs Stall Current Spread | 2.08 5th-highest no-load vs stall current spread of 27 Digital Giant servos |
| Torque Gain per Volt | 5.95%/V More voltage-responsive (torque) than 13% of 69 Digital Giant servos |
| Speed Gain per Volt | 10.12%/V More voltage-responsive (speed) than 26% of 71 Digital Giant servos |
| Voltage Range Width | 2.6 V Wider voltage range than 40% of 160 Digital Giant servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0015 Finer dead band than 49% of 42 Digital Giant servos |
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Reviews (25)
Includes 25 reviews aggregated from around the web.
Owner opinion is mixed. This large 1/5-scale-class servo is sold under several generic seller names. Positive reviewers say it works well in a big 1/5 car, has strong torque and good speed for such a heavy servo, and is inexpensive and handles a good load. Complaints include weak gears with two bad units in a row for one buyer, cheap included accessories, and difficulty finding matching metal horns. Another buyer calls it a basic no-frills servo. A newcomer on a forum could not get one moving, which looks like a wiring or power issue rather than a fault.
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