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Technical Specifications
Last Updated: 2026-07-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | WK-40-3 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
4.8V111.10 oz-in8.00 kg-cm0.8 N-m |
| Speed |
4.8V0.19 sec/60°315.8 deg/s52.6 RPM |
| Physical | |
| Weight | 1.45 oz41.0 gAbove Average |
| Dimensions |
L 1.606 in W 0.787 in H 1.425 in L 40.8 mm W 20.0 mm H 36.2 mm |
| Control & Signal | |
| Modulation | Analog |
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 | Above Average Lighter than 81% of 448 Analog Standard servos |
Performance Analysis
| Shaft Power | 1.08 W |
| Power Density | 0.600 W/in³ More power-dense than 53% of 437 Analog Standard servos |
| Torque Density | 2.7098 oz-in/g |
| Torque-to-Volume Ratio | 61.68 oz-in/in³ |
| Speed-to-Weight | 0.12837 (1/sec·g) |
| Speed-Torque Trade-off | 21.11 |
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