The Hitec HS-322HD Standard Heavy Duty Servo is a reliable and economical choice for hobbyists and professionals who demand durability and consistent performance. Built with Hitec’s advanced Karbonite® gear train, the HS-322HD provides gear strength that is four times stronger than traditional nylon gears, ensuring long-lasting performance even after hundreds of thousands of cycles. Unlike standard gear materials, Karbonite® delivers exceptional wear resistance without sacrificing smooth operation.
Equipped with Hitec’s custom IC circuitry, this servo guarantees precise control, making it a trusted option for RC helicopters, airplanes, and other sport applications where dependable torque and speed are required.
Key Specifications:
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Speed: 0.15 sec @ 60°
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Torque: 3.7 kg·cm (51.38 oz·in)
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Dimensions: 40 × 20 × 36.5 mm
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Weight: 43 g (1.51 oz)
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Gear Type: Karbonite® gear train for high durability
Applications:
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Suitable for RC helicopters and fixed-wing aircraft up to 72 inches wingspan or 12 lbs when using one servo per control surface.
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Ideal for sport and general RC models requiring an affordable yet durable servo solution.
Important Notes:
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Not recommended for high vibration gas engines combined with large control surfaces and extreme throws (e.g., 3D aerobatic models). For these applications, metal gear servos are strongly recommended, even under 12 lbs.
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Warning: Do not use thread locker compounds on Karbonite® gears, as they will cause the output shaft to fail.
Why Choose the HS-322HD Servo?
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Economical and reliable performance
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Durable Karbonite® gears with proven longevity
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Lightweight and compact standard-size servo
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Perfect balance of torque, speed, and precision for RC hobbyists
