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.
Features
- Top Selling High Torque Metal Gear Servo
- Strong Three-Pole Ferrite Motor
- Heavy Duty Metal Gear Train Featuring our Revolutionary Metal/Plastic First Gear (MP Gear)
- Dual Ball Bearing-Supported Output Shaft
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HS-645MG Servo Specifications
| 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 Idle |
9.1 mA |
| No Load Operating Current Draw |
450 mA |
| Stall Current Draw |
2,500 mA |
| Dead Band Width |
8 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 Type |
HT7003 Analog SMT |
| Motor Type |
3 Pole Metal Brush Ferrite |
| Gear Material |
Metal |
| Bearing Type |
Dual Ball Bearing |
| Output Shaft (type / Ømm) |
Standard 24 |
| Case Material |
Plastic |
| Dust / Water Resistance |
N / A |
| Connector Gauge (AWG) / Strand Count |
22 / 60 |
| Radio Control Applications |
| Parkflyer |
N / A |
| Sport Plane |
12-15 lbs. |
| Sailplane |
2 meters and up |
| 3D Performance |
12-15 lbs. |
| Scale |
12-15 lbs. |
| Electric Helicopter |
N / A |
| Gas Helicopter |
N / A |
| On Road |
1/10th |
| Monster Truck |
1/10th |
| Buggies |
1/10th |
| Truggies |
1/10th |
| Short Course / Truck |
1/10th |
| Crawlers |
1/12th |
| Sail Boat |
=>1M+ & Scale |
| Power Boat |
1/10th |
