TrackStar TS-621MG

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-09

Identity
Brand
Product Number	922000044-0
Category	Hobby
Performance
Torque	6.0V 291.48 oz-in 4.8V 230.41 oz-in Average
Speed	6.0V 0.16 sec/60° 4.8V 0.19 sec/60° Below Average
Physical
Weight	2.01 ozAbove Average
Dimensions	L 1.535 in W 0.768 in H 1.516 in
Drivetrain
Motor Type	Coreless
Gears	Metal
Gear Spline/Teeth	25 T
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–6 V
Connectivity
Connector	JR (Universal)

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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.

Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Average Stronger than 52% of 1043 Digital Standard servos at 4.8V
Speed	Below Average Faster than 13% of 1041 Digital Standard servos at 4.8V
Weight	Above Average Lighter than 69% of 1902 Digital Standard servos

Performance Analysis

Shaft Power	2.24–3.37 W
Power Density	1.885 W/in³ More power-dense than 41% of 1759 Digital Standard servos
Torque Density	4.0423 oz-in/g Stronger than 61% of 1036 Digital Standard servos
Torque-to-Volume Ratio	128.97 oz-in/in³ Denser torque than 56% of 1042 Digital Standard servos
Speed-to-Weight	0.09234 (1/sec·g) Faster than 27% of 1033 Digital Standard servos
Speed-Torque Trade-off	43.78 Better balanced than 70% of 1031 Digital Standard servos
Torque Gain per Volt	22.09%/V More voltage-responsive (torque) than 90% of 850 Digital Standard servos
Speed Gain per Volt	15.62%/V More voltage-responsive (speed) than 51% of 871 Digital Standard servos
Voltage Range Width	1.2 V Wider voltage range than 12% of 1539 Digital Standard servos