Part comparison

Hitec D840WP vs Hitec D980TW

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

11 shared specs3 scored

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HitecHitec D840WPD840WP

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HitecHitec D980TWD980TW

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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 D840WP / Hitec D980TW
Compare bySpecification	AHitecHitec D840WP	BHitecHitec D980TW
Performance3
Stall torque	2.942 Nm	4.315 Nm1.373 Nm higher
Stall torque @ 7.4V	30 kg·cm	44 kg·cm14 kg·cm higher
Speed @ 7.4V	0.11 s/60°0.06 s/60° lower	0.17 s/60°
Mechanical & integration4
Motor kind	Rc servo	Rc servo
Drive principle	servo actuator	servo actuator
ArchitectureUse-dependent	Rc servo module	Integrated servo module
Gear materialUse-dependent	Steel	titanium
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 D840WP

BHitecHitec D980TW

Performance3

Stall torque

Part A2.942 Nm

Part B4.315 Nm1.373 Nm higher

Stall torque @ 7.4V

Part A30 kg·cm

Part B44 kg·cm14 kg·cm higher

Speed @ 7.4V

Part A0.11 s/60°0.06 s/60° lower

Part B0.17 s/60°

Mechanical & integration4

Motor kind

Part ARc servo

Part BRc servo

Drive principle

Part Aservo actuator

Part Bservo actuator

ArchitectureUse-dependent

Part ARc servo module

Part BIntegrated servo module

Gear materialUse-dependent

Part ASteel

Part Btitanium

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 D840WPNo public source

Hitec D980TWOpen source ↗