PTK 8842

Search Amazon Search eBay

Compatible Hardware

Amazon eBay

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-10

Identity
Brand
Product Number	S04378842
Category	Hobby
Performance
Torque	8.4V 444.38 oz-in 7.4V 416.61 oz-in 6.0V 374.95 oz-in 5.0V 305.51 oz-in
Speed	8.4V 0.06 sec/60° 7.4V 0.07 sec/60° 6.0V 0.09 sec/60° 5.0V 0.10 sec/60°
Physical
Weight	2.48 ozBelow Average
Dimensions	L 1.57 in W 0.79 in H 1.45 in
Drivetrain
Motor Type	Coreless
Gears	Titanium
Gear Spline/Teeth	25 T estimate
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Rotational Range	180°
Pulse Width	500-2500 µs
Dead Band	2 µs
Programmable	Yes
Electrical & Environment
Operating Voltage	4.8–8.4 V
Power Source	2S LiPo
Water Rating	Waterproof
Connectivity
Connector	JR (Universal)
Wire Length	300 mm

Submit Missing Data Report an Error

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.

Compatible Hardware

Amazon eBay

*Spec is estimated from brand data.

Class Comparison

Weight

Below Average

Lighter than 32% of 1902 Digital Standard servos

Performance Analysis

Shaft Power	5.65–13.69 W
Power Density	7.615 W/in³ More power-dense than 92% of 1759 Digital Standard servos
Torque Density	4.3520 oz-in/g
Torque-to-Volume Ratio	169.88 oz-in/in³
Speed-to-Weight	0.14245 (1/sec·g)
Speed-Torque Trade-off	30.55
Voltage Range Width	3.6 V Wider voltage range than 81% of 1539 Digital Standard servos
Dead-Band-to-Pulse-Width Ratio	0.0010 Finer dead band than 78% of 468 Digital Standard servos