This Hitec HS-645MG servo is a top-quality component for your radio-controlled vehicle. With its high torque and metal gear construction, it is designed to deliver precision and durability in your vehicle's steering and throttle systems.The servo is compatible with a range of RC model vehicles, and its brand, Hi-Tec, is known for producing reliable and high-performing components. Its model number, HS-645MG, indicates that it has two ball bearings and metal gears, which make it more resistant to wear and tear. Whether you're a hobbyist or a competitive RC racer, this servo will be an excellent addition to your collection.
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.
Performance Specifications
Operating Voltage Range (Volts DC)4.8V ~ 6.0V
Speed (Second @ 60°)0.24 ~ 0.20
Maximum Torque Range oz. / in.107 ~ 133
Maximum Torque Range kg. / cm.7.7 ~ 9.6
Current Draw at Idle9.1 mA
No Load Operating Current Draw450 mA
Stall Current Draw2,500 mA
Dead Band Width8 µs
Physical Specifications
Dimensions (Inches)1.59 x 0.77 x 1.48
Dimensions (Metric)40.6 x 19.8 x 37.8
Weight (Ounces)1.94
Weight (Gram)55.2
Circuit TypeHT7003 Analog SMT
Motor Type3 Pole Metal Brush Ferrite
Gear MaterialMetal
Bearing TypeDual Ball Bearing
Output Shaft (type / Ømm)Standard 24
Case MaterialPlastic
Dust / Water ResistanceN / A
Connector Gauge (AWG) / Strand Count22 / 60