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AR 8444S HV Soft Start High Torque

Manufacturer: Advanced Radio
$119.00 (USD)
High Torque Coreless Titanium Geared Servo 40kg designed for the high demands of 3D, precision flying, giant scale and turbine RC hobby
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The AR8444 comes with a coreless motor and delievers an incredibly powerful and precise range of motion. The inner workings offer a titanium gear set and dual ball bearings giving a smooth range of motion. The AR 8444S has a full metal heatsink case making it a lightweight, high torque, high voltage servo.

Delivering a massive 40Kgs at 8.4V these servos have been designed for 150-200cc models, 3D, turbines and giant scale.


Overload Protection

Another industry first. The AR8444 comes with built in overload protection giving you peace of mind.

Supplied with super soft rubber vibration isolaters, brass eyeles, abs plastic servos arms and mounting screws.




25.0 kg-cm (347.1oz/in)


35.0 kg-cm (486.0oz/in)


40.0 kg-cm (555 oz/in)


0.14 sec (6.0V) │ 0.12 sec (7.4V)   | 0.10 sec (8.4)

Operating Voltage

6.0 ~ 8.4 DC Volts


80.0 g (2.26 oz)

Bearing Type

Ball Bearing x 2

Motor Type

Coreless Motor

Gear Type

Titanium and Steel

Operating Temperature


Working frequency

1520μs / 333hz

Size:40.3x 20.2 x 37.2 mm ( 1.58 x 0.80 x 1.46 in)

40.3x 20. x 38.8 mm ( 1.57 x 0.79 x 1.53 in)




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