Part comparison

AGFRC A73BHLW V2 vs KST X12-508

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

13 shared specs3 scored

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AGFRCAGFRC A73BHLW V2A73BHLW V2

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KSTKST X12-508X12-508

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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

13 specifications compared side by side.

AGFRC A73BHLW V2 / KST X12-508
Compare bySpecification	AAGFRCAGFRC A73BHLW V2	BKSTKST X12-508
Performance3
Stall torque	3.923 Nm3.315 Nm higher	0.608 Nm
Stall torque @ 8.4V	40 kg·cm33.8 kg·cm higher	6.2 kg·cm
Speed @ 8.4V	0.1 s/60°	0.07 s/60°0.03 s/60° lower
Electrical2
Minimum voltageUse-dependent	4.8 V	6 V
Maximum voltage	8.4 V	8.4 V
Mechanical & integration4
Motor kind	Rc servo	Rc servo
Drive principle	servo actuator	servo actuator
Architecture	Servo module	Servo module
Gear materialUse-dependent	steel	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

AAGFRCAGFRC A73BHLW V2

BKSTKST X12-508

Performance3

Stall torque

Part A3.923 Nm3.315 Nm higher

Part B0.608 Nm

Stall torque @ 8.4V

Part A40 kg·cm33.8 kg·cm higher

Part B6.2 kg·cm

Speed @ 8.4V

Part A0.1 s/60°

Part B0.07 s/60°0.03 s/60° lower

Electrical2

Minimum voltageUse-dependent

Part A4.8 V

Part B6 V

Maximum voltage

Part A8.4 V

Part B8.4 V

Mechanical & integration4

Motor kind

Part ARc servo

Part BRc servo

Drive principle

Part Aservo actuator

Part Bservo actuator

Architecture

Part AServo module

Part BServo module

Gear materialUse-dependent

Part Asteel

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

AGFRC A73BHLW V2Open source ↗

KST X12-508Open source ↗