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XQ-Power XQ-S4120D
Standard Discontinued

XQ-Power XQ-S4120D

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-10
Identity
Brand XQ-Power
Product Number (add)
Category Hobby
Discontinued Yes
Performance
Torque
8.4V 291.70 oz-in
7.2V 247.20 oz-in
Speed
8.4V 0.14 sec/60°
7.2V 0.16 sec/60°
Running Current (add)
Stall Current ≤2.3 A
Physical
Weight 2.03 oz
Dimensions L 1.58 in
W 0.79 in
H 1.53 in
Case Material Plastic / Aluminum
Drivetrain
Motor Type Coreless
Motor Drive (add)
Gears Titanium
Gear Spline/Teeth 25 T
Shaft Size (add)
Rotation Mode (add)
Rotation/Support Dual Bearings
Backlash (add)
Control & Signal
Modulation Digital
Direction (add)
Rotational Range 110°
Mechanical Limit (add)
Pulse Cycle (add)
Pulse Width 800-2200 µs
Neutral Position 1500 µs
Dead Band 2 µs
Refresh Rate (add)
Angle Sensor (add)
Control System PWM
Programmable (add)
Signal Voltage (add)
Electrical & Environment
Operating Voltage 7.4–8.5 V
Power Source (add)
Regulator Type (add)
Temperature -15–60 °C
Water Rating Splashproof
Certification (add)
Idle Current 8.000 A
Connectivity
Connector JR (Universal)
Wire Length 300 mm
Origin
Country of Origin China

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 2.86–3.85 W
Torque Density4.2991 oz-in/g
Torque-to-Volume Ratio129.20 oz-in/in³
Power Density2.014 W/in³
More power-dense than 46% of the 1644 Digital Standard servos in the database
Speed-to-Weight0.10870 (1/sec·g)
Speed-Torque Trade-off39.55
Current-per-Torque Ratio0.0093 A/oz-in
Voltage Range Width1.1 V
Wider voltage range than 5% of the 1269 Digital Standard servos in the database
Dead-Band-to-Pulse-Width Ratio0.0014
Finer dead band than 64% of the 327 Digital Standard servos in the database

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Reviews (1)

  • WOLF

    November 1, 2012

    Application(s): STEERING 1/8 ROCK CRAWLER STEERING 1/10 DRIFT RACER

    Comments: DO NOT BUY HAD 3 OF THESE ALL DEAD WITHIN 3 MONTHS ONLY AT 7.4VOLTS had no back up support from seller

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