Product Description
The Hitec HS-645MG High Torque Metal Gear Servo is a robust and reliable analog servo motor designed for demanding applications such as RC cars, trucks, buggies, airplanes, and robotics. Featuring high torque, metal gear train technology, and dual ball-bearing support on the output shaft, this servo offers strong performance, excellent durability, and precise positioning in a compact, lightweight package. It’s a popular choice among hobbyists and engineers for demanding steering or actuation tasks where strength and dependability matter.
Key Features
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High torque output: Up to 133 oz·in (9.6 kg·cm) at 6.0 V for demanding tasks
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Dual ball bearings: Enhanced smoothness and longer lifespan
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Metal gear train: Durable metal gears for strength under load
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Analog control: Standard PWM control interface
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Compact and lightweight: Easy to integrate into RC and robotics systems
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Wide application scope: Suitable for RC vehicles, aircraft control surfaces, and robotic actuators.
Technical Specifications
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Operating Voltage: 4.8 – 6.0 V DC
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Speed (no load @ 60°): 0.24 – 0.20 sec/60°
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Maximum Torque: 107 – 133 oz·in (7.7 – 9.6 kg·cm)
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Current Draw No Load: ~450 mA
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Stall Current: ~2,500 mA
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Dual Ball Bearing Output Shaft: Yes
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Gear Material: Metal
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Weight: ~55.2 g
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Dimensions: 40.6 × 19.8 × 37.8 mm (1.59 × 0.77 × 1.48 in)
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Connector: Standard servo 3-wire
Typical Applications
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Steering and throttle in 1/10 scale RC cars and trucks
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Control surfaces in sport planes and buggies
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Steering or actuation in robotics platforms
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Hobbyist mechanism motion control
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Lightweight robotic arms and linkages
Package Includes
1 × Hitec HS-645MG High Torque Metal Gear Servo Motor
