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Technical Specifications
Last Updated: 2026-10-08| Identity | |
| Brand |  |
| Product Number | SPMSH6040 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
167.00 oz-in
12.03 kg-cm
1.2 N-m
4.8V
133.00 oz-in
9.58 kg-cm
0.9 N-m
Below Average
|
| Speed |
6.0V
0.08 sec/60°
750.0 deg/s
125.0 RPM
4.8V
0.10 sec/60°
600.0 deg/s
100.0 RPM
Above Average
|
| Physical | |
| Weight | 1.85 oz52.4 gAbove Average |
| Dimensions |
L 1.60 in W 0.80 in H 1.50 in L 40.6 mm W 20.3 mm H 38.1 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Titanium |
| Gear Spline/Teeth | 23 T estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Connectivity | |
| Connector | Z |
| Wire Length | 200 mm7.87 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 | Below Average Stronger than 28% of 1043 Digital Standard servos at 4.8V |
| Speed | Above Average Faster than 78% of 1041 Digital Standard servos at 4.8V |
| Weight | Above Average Lighter than 82% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 2.46–3.86 W |
| Power Density | 2.010 W/in³ More power-dense than 44% of 1759 Digital Standard servos |
| Torque Density | 2.5382 oz-in/g Stronger than 33% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 69.27 oz-in/in³ Denser torque than 26% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.19084 (1/sec·g) Faster than 84% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 13.30 Better balanced than 20% of 1031 Digital Standard servos |
| Torque Gain per Volt | 21.30%/V More voltage-responsive (torque) than 87% of 850 Digital Standard servos |
| Speed Gain per Volt | 20.83%/V More voltage-responsive (speed) than 84% of 871 Digital Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 19% of 1539 Digital Standard servos |
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Reviews (4)
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Gary
February 24, 2013Application(s): Cyclic servo T Rex 700
Comments: Very good servo exactly the same spec as Align DS610 more than likely the same servo.
Ran this servo now for about 18 months and still going well.ivor
December 20, 2010Application(s): hirobo bell 47gs on the tail as the new jr 8900g burnt-out as i run 7.4volts through a voltage reg and only run it for 2mins, so i replaced it with a spektrum h6040 servo and i am very happy with it. this is a new model as i have not fired it up yet but hope to over xmas.
Comments: have been flying model helicopters from 1976 to 2010 and these,s servos are the bee,s knee,s and look at running more of these in my other models.
Pani
December 5, 2010Application(s): Cyclic for Hirobo SDX 50
Comments: Great cyclic servo. Awesome speed and excellent centering. Have them for about a year running straight 2S A123. Highly recommended.
scott3708
January 15, 2010Application(s): Spektrum H6040 Heli servo
Comments: Wow these are awesome just put three in my Rappy 50 SE. Had JR 821's and after crashing once replaced aileron 821 (locked hard over), and almost crashing twice more all 821 related, I am done with the 821's. The H6040 are fast strong and after a gallon fuel still flawless and I have heard of no one else crashing because of these. They come reccomended for 50-90 heli's and a 1 year warranty. So for $219 for three at helidirect.com that was cheaper than my crash from 30' to pavement.....