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PTK 9840MG-D
Standard

PTK 9840MG-D

Compatible Hardware

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-10
Identity
Brand PTK
Category Hobby
Performance
Torque
8.4V 486.05 oz-in
7.4V 416.61 oz-in
6.0V 361.06 oz-in
5.0V 312.46 oz-in
Speed
8.4V 0.11 sec/60°
7.4V 0.12 sec/60°
6.0V 0.14 sec/60°
5.0V 0.15 sec/60°
Physical
Weight 2.47 ozBelow Average
Dimensions L 1.59 in
W 0.79 in
H 1.43 in
Drivetrain
Motor Type Coreless
Gears Steel
Gear Spline/Teeth 25 T estimate
Rotation Mode Positional
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Rotational Range 180°
Pulse Width 500-2500 µs
Electrical & Environment
Water Rating Splashproof
Connectivity
Connector JR (Universal)

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.

Class Comparison

WeightBelow Average
Lighter than 33% of 1902 Digital Standard servos

Performance Analysis

Shaft Power 3.85–8.17 W
Power Density4.548 W/in³
More power-dense than 75% of 1759 Digital Standard servos
Torque Density4.4637 oz-in/g
Torque-to-Volume Ratio173.95 oz-in/in³
Speed-to-Weight0.09524 (1/sec·g)
Speed-Torque Trade-off46.87

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