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Technical Specifications
Last Updated: 2026-10-21| Identity | |
| Brand |  |
| Product Number | SPMSS6040 |
| 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 | 1.83 oz52.0 gAbove Average |
| Dimensions |
L 1.575 in W 0.787 in H 1.457 in L 40.0 mm W 20.0 mm H 37.0 mm |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Titanium |
| Gear Spline/Teeth | 23 T estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Water Rating | Water Resistant |
| Connectivity | |
| Connector | Z |
| Wire Length | 203.2 mm8 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 27% of 1060 Digital Standard servos at 4.8V |
| Speed | Above Average Faster than 78% of 1045 Digital Standard servos at 4.8V |
| Weight | Above Average Lighter than 84% of 1880 Digital Standard servos |
Performance Analysis
| Shaft Power | 2.46–3.86 W |
| Power Density | 2.137 W/in³ More power-dense than 47% of 1768 Digital Standard servos |
| Torque Density | 2.5577 oz-in/g Stronger than 34% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 73.64 oz-in/in³ Denser torque than 29% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.19231 (1/sec·g) Faster than 86% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 13.30 Better balanced than 19% of 1034 Digital Standard servos |
| Torque Gain per Volt | 21.30%/V More voltage-responsive (torque) than 86% of 873 Digital Standard servos |
| Speed Gain per Volt | 20.83%/V More voltage-responsive (speed) than 83% of 874 Digital Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 16% of 1560 Digital Standard servos |
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Reviews (4)
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laurent
September 7, 2016Application(s): Losi Ten SCTE 2.0
Comments: Two servos dead in two years, no answer from Spektrum service. very bad expérience !
gak
December 13, 2013Application(s): Blade 550X heli cyclics
Comments: Re-branded Align DS610 servos, very good value for this price range.
TCCustoms
June 18, 2013Application(s): TLR SCTE 2.0 Steering Servo
Comments: Awesome, just plain fast, excellent torque and holds wheels in place as it should!
mark_q
May 26, 2011Application(s): Elevator, Rudder & ailerons on a electric powered Funtana 125
Comments: Wicked fast and more than enough torque. I modified this tail heavy beast to use a single elevator servo through a dual output bellcrank and have not had any torque related issues when performing hi-alpha 3D. Pricey - yes, but the performance is exceptional.