The powerful HS-645MG is one of Hitec’s most popular servos. It’s the perfect choice for those projects requiring a durable high torque servo. Featuring Hitec's unique M/P and metal gear train technology, the HS-645MG offers one of the strongest gear trains available in any RC servo. 

RC servos are hobbyist remote control servos typically used in radio-controlled models, where they provide actuation for various mechanical systems such as the steering of a car, the flaps on a plane, or the rudder of a boat. These servos are not industrial grade and are not recommended for continuous heavy use.


This servo can be controlled by an RC servo controller. You can find a list of suitable controllers on the Connection & Compatibility tab.

Comes Packaged With


Product Specifications

Motor Properties
Motor Type Limited Rotation Servo
Range of Rotation 180°
Maximum Speed at Rated Voltage 300°/s
Rated Torque 7.7 kg·cm
Physical Properties
Gear Train Material Metal
Bearing Type Dual Ball Bearing
Motor Length 37.7 mm
Motor Width 40.6 mm
Motor Depth 19.8 mm
Wire Length 300 mm
Weight 55.2 g
Electrical Properties
Rated Voltage 5 V DC
Rated Current (on 1061 controller) 230 mA
Rated Current (on 1066 controller) 120 mA
Stall Current (on 1061 controller) 1.8 A
Stall Current (on 1066 controller) 480 mA

These product specifications are based on our own tests using the HS-645motor with the Phidgets 1061 and 1066 motor controllers.


3204_0 - Hitec HS-645MG Super Torque Servo

  • Brand: Phidgets
  • Product Code:ES000129
  • Availability:In Stock
  • 50.66€