Hitec HS-900SGS

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-25

Identity
Brand
Product Number	34900
Category	Hobby
Discontinued	Yes
Performance
Torque	14.8V 1,208.00 oz-in 11.1V 903.00 oz-in Average
Speed	14.8V 0.15 sec/60° 11.1V 0.20 sec/60° Average
Physical
Weight	12.80 ozBelow Average
Dimensions	L 2.52 in W 1.30 in H 2.87 in
Case Material	Aluminum
Drivetrain
Motor Type	Brushed
Motor Drive	FET
Gears	Steel
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Neutral Position	1500 µs
Control System	PWM
Programmable	No
Electrical & Environment
Operating Voltage	11.1–14.8 V
Power Source	3S-4S LiPo
Connectivity
Connector	JR (Universal)

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*Based on known specs.

Class Comparison

Torque	Average Stronger than 59% of 88 Digital Giant servos at 11.1V
Speed	Average Faster than 45% of 89 Digital Giant servos at 11.1V
Weight	Below Average Lighter than 26% of 168 Digital Giant servos

Performance Analysis

Shaft Power	8.35–14.89 W
Power Density	1.584 W/in³ More power-dense than 47% of 136 Digital Giant servos
Torque Density	2.4876 oz-in/g Stronger than 35% of 85 Digital Giant servos
Torque-to-Volume Ratio	96.04 oz-in/in³ Denser torque than 41% of 88 Digital Giant servos
Speed-to-Weight	0.01377 (1/sec·g) Faster than 25% of 86 Digital Giant servos
Speed-Torque Trade-off	180.60 Better balanced than 62% of 85 Digital Giant servos
Torque Gain per Volt	9.13%/V More voltage-responsive (torque) than 38% of 69 Digital Giant servos
Speed Gain per Volt	9.01%/V More voltage-responsive (speed) than 17% of 71 Digital Giant servos
Voltage Range Width	3.7 V Wider voltage range than 51% of 160 Digital Giant servos