TowerPro MG945R

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-22

Identity
Brand
Product Number	MG945R
Category	Hobby
Discontinued	Yes
Performance
Torque	6.0V 166.60 oz-in 4.8V 138.90 oz-in Below Average
Speed	6.0V 0.20 sec/60° 4.8V 0.23 sec/60° Bottom 10%
Physical
Weight	1.94 ozAbove Average
Dimensions	L 1.60 in W 0.78 in H 1.69 in
Drivetrain
Gears	Metal
Gear Spline/Teeth	25 T estimate
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Dead Band	5 µs
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–7.2 V
Temperature	0–55 °C
Connectivity
Connector	JR (Universal) estimate

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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

*Spec is estimated from brand data.

Class Comparison

Torque	Below Average Stronger than 30% of 1055 Digital Standard servos at 4.8V
Speed	Bottom 10% Faster than 4% of 1038 Digital Standard servos at 4.8V
Weight	Above Average Lighter than 77% of 1872 Digital Standard servos

Performance Analysis

Shaft Power	1.12–1.54 W
Power Density	0.730 W/in³ More power-dense than 10% of 1762 Digital Standard servos
Torque Density	2.5255 oz-in/g Stronger than 32% of 1048 Digital Standard servos
Torque-to-Volume Ratio	65.86 oz-in/in³ Denser torque than 24% of 1053 Digital Standard servos
Speed-to-Weight	0.07905 (1/sec·g) Faster than 13% of 1031 Digital Standard servos
Speed-Torque Trade-off	31.94 Better balanced than 54% of 1029 Digital Standard servos
Voltage Range Width	2.4 V Wider voltage range than 62% of 1552 Digital Standard servos