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Technical Specifications
Last Updated: 2026-07-28Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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| Identity | |
| Brand |  |
| Product Number | 37950S |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
7.4V
486.00 oz-in
35.00 kg-cm
3.4 N-m
6.0V
403.00 oz-in
29.02 kg-cm
2.8 N-m
|
| Speed |
7.4V
0.14 sec/60°
428.6 deg/s
71.4 RPM
6.0V
0.17 sec/60°
352.9 deg/s
58.8 RPM
|
| Running Current | (add) |
| Stall Current | (add) |
| Shaft Power | 4.38–6.42 W |
| Physical | |
| Weight | 2.29 oz64.9 g |
| Dimensions |
L 1.57 in W 0.79 in H 1.50 in L 39.9 mm W 20.1 mm H 38.1 mm |
| Case Material | (add) |
| Drivetrain | |
| Motor Type | Coreless |
| Motor Drive | (add) |
| Gears | Titanium |
| Gear Spline/Teeth | 24 T estimate |
| Rotation Mode | (add) |
| Rotation/Support | Dual Bearings |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Digital |
| Direction | (add) |
| Rotational Range | 180° |
| Mechanical Limit | (add) |
| Pulse Cycle | 20 ms |
| Pulse Width | 900-2100 µs |
| Neutral Position | (add) |
| Dead Band | (add) |
| Refresh Rate | (add) |
| Angle Sensor | (add) |
| Control System | (add) |
| Programmable | (add) |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | (add) |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | (add) |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | (add) |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | (add) |
| Origin | |
| Country of Origin | (add) |
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.
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Reviews (2)
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ZaneT
June 5, 2015Application(s): HB VE8 Buggy
Comments: Can not beat this servo killer power and speed have had this servo a 1 1/2 and it finally failed but 10min on the phone with them sent it in cost me 6.00 usd for a brand new one that was shipping and it was my fault it went out so I cant blame them and they took care of me on it love the company and their products
Savageasflux
March 5, 2015Application(s): RC8Te for steering. Castle Mamba Monster Maxx ESC with extra caps and 1515 2200kv motor, running 5s 45C nanotech lipo with Castle BEC at 7.4v.
Comments: Fast enough and very strong, run it on a BEC and its awesome when you can control everything. Doesnt buzz holding steering very much like some other brand servos i've had. With the titanium gears it holds up to a lot of abuse that I put on the RC8Te front end steering setup with tight servo saver and lots of huge 20ft+ jumps, heavy bashing, multiple backflips, and lots of crashes. It costs a considerable amount, I got it for $125 new, but is well worth it and my most expensive Hitec servo so far. Had this servo for over 2 years, never failed me yet. I have lots of Hitecs in 1/5 and 1/8, cant complain about any! Heard they have great support and warranty, but ive never needed it. I use the Hitec Hpp-21, its a great programmer and tester for this servo when connected to my PC.