The powerful HS-645MG is one of Hitec’s most popular servos. It’s the perfect choice for those larger sport planes or monster trucks and buggies 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. 

Specifications - Hitec 645 MG

• Torque:
  • 107 oz/in at 4.8V (7.7 kg/cm)
  • 133 oz/in at 6V (9.6 kg/cm)
• Speed:
  • .24 sec at 4.8V
  • .20 sec at 6V
• Voltage: 4.8V to 6V
• Weight: 1.94 oz (55g)
• Size: 1.59 x 0.77 x 1.48 in (40.39 x 19.56 x 37.59 mm)
• Dual Ball Bearings
• Motor Type: 3 pole