OCServo OCS-D4009

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Technical Specifications

Last Updated: 2026-10-10

Identity
Brand
Product Number	OCS-D4009
Category	Hobby
Performance
Torque	8.4V 555.50 oz-in 6.0V 347.20 oz-in Top 10%
Speed	8.4V 0.09 sec/60° 6.0V 0.14 sec/60° Bottom 10%
Physical
Weight	2.29 ozBottom 10%
Dimensions	L 1.61 in W 0.81 in H 1.12 in
Case Material	Aluminum
Drivetrain
Motor Type	Brushless
Gears	Steel
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Refresh Rate	333 Hz
Angle Sensor	Magnetic Encoder
Control System	PWM
Electrical & Environment
Operating Voltage	6–8.4 V
Temperature	-10–60 °C

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Top 10% Stronger than 95% of 135 Digital Low Profile servos at 6.0V
Speed	Bottom 10% Faster than 9% of 134 Digital Low Profile servos at 6.0V
Weight	Bottom 10% Lighter than 5% of 250 Digital Low Profile servos

Performance Analysis

Torque Density	5.3415 oz-in/g Stronger than 94% of 135 Digital Low Profile servos
Torque-to-Volume Ratio	237.71 oz-in/in³ Denser torque than 95% of 135 Digital Low Profile servos
Speed-to-Weight	0.10989 (1/sec·g) Faster than 8% of 134 Digital Low Profile servos
Speed-Torque Trade-off	48.60 Better balanced than 95% of 133 Digital Low Profile servos
Torque Gain per Volt	25.00%/V 4th-highest torque gain per volt of 114 Digital Low Profile servos
Speed Gain per Volt	23.15%/V More voltage-responsive (speed) than 92% of 116 Digital Low Profile servos
Voltage Range Width	2.4 V Wider voltage range than 32% of 222 Digital Low Profile servos