Part comparison

Hitec D980TW vs KST X20-4208

A side-by-side comparison of source-backed specifications within the same subcategory.

11 shared specs3 scored

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HitecHitec D980TWD980TW

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KSTKST X20-4208X20-4208

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Directional spec summary

Counts across 3 numeric specifications with a clear higher-or-lower direction.

Part A leads

Tied

Part B leads

These are metric-by-metric differences, not an overall performance score. Check the values below.

Specifications

11 specifications compared side by side.

Hitec D980TW / KST X20-4208
Compare bySpecification	AHitecHitec D980TW	BKSTKST X20-4208
Performance3
Stall torque	4.315 Nm	4.511 Nm0.196 Nm higher
Stall torque @ 7.4V	44 kg·cm	46 kg·cm2 kg·cm higher
Speed @ 7.4V	0.17 s/60°	0.07 s/60°0.1 s/60° lower
Mechanical & integration4
Motor kind	Rc servo	Rc servo
Drive principle	servo actuator	servo actuator
Architecture	Integrated servo module	Integrated servo module
Gear materialUse-dependent	titanium	metal
Control & communication3
Communication interfaces	PWM	PWM
Control modes	PWM servo	PWM servo
Servo signal	PWM	PWM
Other specifications1
PWM pulse center	1500 µs	1500 µs

AHitecHitec D980TW

BKSTKST X20-4208

Performance3

Stall torque

Part A4.315 Nm

Part B4.511 Nm0.196 Nm higher

Stall torque @ 7.4V

Part A44 kg·cm

Part B46 kg·cm2 kg·cm higher

Speed @ 7.4V

Part A0.17 s/60°

Part B0.07 s/60°0.1 s/60° lower

Mechanical & integration4

Motor kind

Part ARc servo

Part BRc servo

Drive principle

Part Aservo actuator

Part Bservo actuator

Architecture

Part AIntegrated servo module

Part BIntegrated servo module

Gear materialUse-dependent

Part Atitanium

Part Bmetal

Control & communication3

Communication interfaces

Part APWM

Part BPWM

Control modes

Part APWM servo

Part BPWM servo

Servo signal

Part APWM

Part BPWM

Other specifications1

PWM pulse center

Part A1500 µs

Part B1500 µs

Product sources

Product sources used by this comparison

Hitec D980TWOpen source ↗

KST X20-4208Open source ↗