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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 36840S |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
419.00 oz-in
30.17 kg-cm
3.0 N-m
6.0V
335.00 oz-in
24.12 kg-cm
2.4 N-m
4.8V
265.00 oz-in
19.08 kg-cm
1.9 N-m
|
| Speed |
7.4V
0.11 sec/60°
545.5 deg/s
90.9 RPM
6.0V
0.14 sec/60°
428.6 deg/s
71.4 RPM
4.8V
0.17 sec/60°
352.9 deg/s
58.8 RPM
|
| Running Current |
7.4V
1.600 A
1,600 mA
6.0V
1.250 A
1,250 mA
4.8V
1.100 A
1,100 mA
|
| Stall Current | 5–9 A5000–9000 mABelow Average |
| Physical | |
| Weight | 8.01 oz227.0 gAverage |
| Dimensions |
L 2.598 in W 1.26 in H 2.445 in L 66.0 mm W 32.0 mm H 62.1 mm |
| Case Material | Plastic / Aluminum |
| Drivetrain | |
| Motor Type | 5-pole |
| Motor Drive | MOS |
| Gears | Metal / Steel |
| Gear Spline/Teeth | 15 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Dead Band | 2 µs |
| Angle Sensor | Potentiometer |
| Control System | TTL / PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 3.5–8.4 V |
| Power Source | External |
| Water Rating | IP67 |
| Idle Current | 0.030 A30 mA |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 300 mm11.81 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
| Weight | Average Lighter than 41% of 168 Digital Giant servos |
| Stall Current | Below Average Lower draw than 30% of 108 Digital Giant servos |
Performance Analysis
| Shaft Power | 2.88–7.04 W |
| Power Density | 0.880 W/in³ More power-dense than 27% of 136 Digital Giant servos |
| Torque Density | 1.1674 oz-in/g |
| Torque-to-Volume Ratio | 33.11 oz-in/in³ |
| Speed-to-Weight | 0.02591 (1/sec·g) |
| Speed-Torque Trade-off | 45.06 |
| Current-per-Torque Ratio | 0.0340 A/oz-in |
| Idle-to-Running Current Ratio | 0.027 |
| No-Load vs Stall Current Spread | 8.18 |
| Voltage Range Width | 4.9 V Wider voltage range than 65% of 160 Digital Giant servos |
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