Spektrum H3055

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Technical Specifications

Last Updated: 2026-07-28

Identity
Brand
Product Number	SPMSH3055
Category	Hobby
Performance
Torque	6.0V 36.00 oz-in 4.8V 29.00 oz-in Bottom 10%
Speed	4.8V 0.07 sec/60° Top 10% 4.8V 0.07 sec/60° Top 10%
Physical
Weight	0.46 ozTop 10%
Dimensions	L 0.91 in W 0.47 in H 1.17 in
Drivetrain
Gears	Metal
Rotation/Support	Single Bearing
Control & Signal
Modulation	Digital
Neutral Position	1520 µs
Refresh Rate	333 Hz
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–6 V
Connectivity
Connector	JR (Universal) estimate

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Bottom 10% Stronger than 9% of 224 Digital Mini servos at 4.8V
Speed	Top 10% Faster than 93% of 225 Digital Mini servos at 4.8V
Weight	Top 10% Lighter than 97% of 454 Digital Mini servos

Performance Analysis

Shaft Power	0.80 W
Power Density	1.599 W/in³ More power-dense than 53% of 425 Digital Mini servos
Torque Density	2.2481 oz-in/g Stronger than 41% of 219 Digital Mini servos
Torque-to-Volume Ratio	57.95 oz-in/in³ Denser torque than 30% of 224 Digital Mini servos
Speed-to-Weight	1.15701 (1/sec·g) 3rd-highest speed-to-weight of 220 Digital Mini servos
Speed-Torque Trade-off	1.94 Better balanced than 3% of 223 Digital Mini servos
Torque Gain per Volt	20.11%/V More voltage-responsive (torque) than 75% of 190 Digital Mini servos
Voltage Range Width	1.2 V Wider voltage range than 14% of 290 Digital Mini servos