Hitec D940TW

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*Based on known specs.

Technical Specifications

Last Updated: 2026-07-28

Identity
Brand
Product Number	36940S
Category	Hobby
Performance
Torque	7.4V 229.00 oz-in 6.0V 187.00 oz-in 4.8V 139.00 oz-in Below Average
Speed	7.4V 0.07 sec/60° 6.0V 0.08 sec/60° 4.8V 0.11 sec/60° Above Average
Physical
Weight	2.40 ozAverage
Dimensions	L 1.57 in W 0.79 in H 1.50 in
Drivetrain
Motor Type	Coreless
Gears	Titanium
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Dead Band	2 µs
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–8.4 V
Connectivity
Connector	JR (Universal) estimate

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Below Average Stronger than 34% of the 844 Digital Standard servos at 4.8V
Speed	Above Average Faster than 70% of the 832 Digital Standard servos at 4.8V
Weight	Average Lighter than 36% of the 1818 Digital Standard servos

Performance Analysis

Shaft Power	2.34–6.05 W
Torque Density	2.0441 oz-in/g Stronger than 26% of the 833 Digital Standard servos in the database
Torque-to-Volume Ratio	74.71 oz-in/in³ Denser torque than 32% of the 844 Digital Standard servos in the database
Power Density	3.251 W/in³ More power-dense than 62% of the 1645 Digital Standard servos in the database
Speed-to-Weight	0.13369 (1/sec·g) Faster than 59% of the 822 Digital Standard servos in the database
Speed-Torque Trade-off	15.29 Better balanced than 29% of the 827 Digital Standard servos in the database
Voltage Range Width	3.6 V Wider voltage range than 87% of the 1271 Digital Standard servos in the database