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Hitec HS-645MG Ultra Torque Ball Bearing Metal Gear Servo Airplane Multi-Pack (8 Servos)




Hitec HS-645MG Ultra Torque Ball Bearing Metal Gear Servo Airplane Multi-Pack (8 Servos)

Regular price 227.00 $22700 Free Shipping*

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Airplane Multi-Pack - 8 Pack of HS-645MG Ultra Torque Ball Bearing Metal Gear Standard Servos from Hitec - HRC32645S

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


  • Convenient eight-pack of Hitec servos is perfect for balsa ARF models
  • Durable high torque standard-sized servo
  • Unique M/P
  • Metal gear train technology
  • Perfect for larger sport planes


  • Eight (8) HS-645MG ultra torque ball bearing metal gear standard servos
  • 8x white small X-shaped servo horn
  • 8x red Large X-shaped servo horn
  • 8x white adjustable servo horn
  • 8x white offset straight servo horn
  • 32x 2 x 14mm mounting screws
  • 32x brass eyelets
  • 32x black rubber vibration isolators

Servo Measurement Key

Product Specifications:

Servo Class


Servo Type


Gear Material



Standard / Normal

Operating Voltage Range

4.8V - 6V

Speed (4.8V)

0.24 sec @ 60 deg

Speed (6V)

0.20 sec @ 60 deg

Torque (4.8V)

7.7 kg/cm (106.93 oz/in)

Torque (6V)

9.6 kg/cm (133.31 oz/in)

Current Draw at Idle


Current Draw Operating (No Load)

450 mA

Dimensions (L x W x H)

40.6 x 19.8 x 37.8mm


55.2g (1.94oz)

Lead Length

292mm / 11.5in

Product Questions & Answers

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