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Technical Specifications
Last Updated: 2026-08-12Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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| Identity | |
| Brand |  |
| Product Number | TOWM4604 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
82.00 oz-in
5.90 kg-cm
0.6 N-m
4.8V
65.00 oz-in
4.68 kg-cm
0.5 N-m
|
| Speed |
6.0V
0.13 sec/60°
461.5 deg/s
76.9 RPM
4.8V
0.18 sec/60°
333.3 deg/s
55.6 RPM
|
| Running Current | (add) |
| Stall Current | (add) |
| Physical | |
| Weight | 1.90 oz53.9 g |
| 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 | (add) |
| Drivetrain | |
| Motor Type | 3-pole |
| Motor Drive | (add) |
| Gears | Metal |
| Gear Spline/Teeth | (add) |
| Shaft Size | (add) |
| Rotation Mode | (add) |
| Rotation/Support | Dual Bearings |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Digital |
| Direction | (add) |
| Rotational Range | (add) |
| Mechanical Limit | (add) |
| Pulse Cycle | (add) |
| Pulse Width | (add) |
| Neutral Position | (add) |
| Dead Band | (add) |
| Refresh Rate | (add) |
| Angle Sensor | (add) |
| Control System | PWM |
| Programmable | (add) |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | (add) |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | (add) |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 254 mm10 in |
| 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.
Performance Analysis
| Shaft Power | 0.67–1.17 W |
| Torque Density | 1.2059 oz-in/g Stronger than 9% of the 832 Digital Standard servos in the database |
| Torque-to-Volume Ratio | 33.85 oz-in/in³ Denser torque than 7% of the 843 Digital Standard servos in the database |
| Power Density | 0.607 W/in³ More power-dense than 6% of the 1644 Digital Standard servos in the database |
| Speed-to-Weight | 0.10307 (1/sec·g) Faster than 36% of the 821 Digital Standard servos in the database |
| Speed-Torque Trade-off | 11.70 Better balanced than 21% of the 826 Digital Standard servos in the database |
| Torque Gain per Volt | 21.79%/V More voltage-responsive (torque) than 89% of the 673 Digital Standard servos in the database |
| Speed Gain per Volt | 32.05%/V 5th-highest speed gain per volt of 687 Digital Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 20% of the 1269 Digital Standard servos in the database |
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Reviews (1)
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tman
December 7, 2014Application(s): 1/10 scale buggy/stadium truck
Comments: Since 2006 I have been using Tower Hobbies TS-140 Digital Standard HS servo for my buggy racing needs. I didn't want to spend big bucks, just to gain .05 seconds of speed, after I spent so much already for other electronics for my new buggy. After a lot of searching on specs/prices on tons of servos... I settled on the TS-140. I'm glad I gave it a try.
The $25.99 TS-140 is plenty fast enough with great tourqe for buggy use. I even used the TS-140 in my stadium truck that had destroyed a stock servo for a short time while I searched for a replacement with a little more tourque (to be on the safe side of moving bigger tires).
It's now almost 2015 and I have only replaced the gears once since 2006. The TS-140 is on my wish list should the one I have now decide give out. I don't need fancy lettering/graphics or a top brand name servo that is gonna cost twice as much, or more, than the TS-140. It gets the job done, and it does it so well.