JR DS8900G

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-09-14

Identity
Brand
Product Number	JRPS8900G
Category	Hobby
Discontinued	Yes
Performance
Torque	4.8V48.00 oz-inBottom 10%
Speed	4.8V0.05 sec/60°Top 10%
Physical
Weight	2.10 ozAverage
Dimensions	L 1.59 in W 0.83 in H 1.57 in
Case Material	Plastic / Aluminum
Drivetrain
Motor Type	Coreless
Gears	Plastic
Gear Spline/Teeth	23 T estimate
Rotation Mode	Positional
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Pulse Cycle	3.7 ms
Neutral Position	1520 µs
Refresh Rate	333 Hz
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–4.8 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

*Spec is estimated from brand data.

Class Comparison

Torque	Bottom 10% Stronger than 3% of 1043 Digital Standard servos at 4.8V
Speed	Top 10% Faster than 98% of 1041 Digital Standard servos at 4.8V
Weight	Average Lighter than 63% of 1902 Digital Standard servos

Performance Analysis

Shaft Power	1.78 W
Power Density	0.857 W/in³ More power-dense than 14% of 1759 Digital Standard servos
Torque Density	0.8067 oz-in/g Stronger than 1% of 1036 Digital Standard servos
Torque-to-Volume Ratio	23.17 oz-in/in³ Denser torque than 1% of 1042 Digital Standard servos
Speed-to-Weight	0.33613 (1/sec·g) Faster than 97% of 1033 Digital Standard servos
Speed-Torque Trade-off	2.40 Better balanced than 1% of 1031 Digital Standard servos
Voltage Range Width	0.0 V Wider voltage range than 1% of 1539 Digital Standard servos