Hitech Nylon Gear Analog Micro Servo

The Hitec HS-81 is a proven micro servo that strikes a solid balance between speed, torque, and reliability. It’s been a go to option for years across RC applications, and it fits right into 1/14 scale truck builds where space is limited but dependable control still matters.

With durable nylon gears and a smooth operating analog system, it’s a straightforward choice for lighter duty setups and precise control applications.

Why Builders Use the HS-81

Not every setup needs a heavy duty servo. The HS-81 shines in smaller or lighter applications where consistent performance and compact size are more important than brute strength.

It’s especially useful for custom installs where space is tight and you still want reliable movement without overloading your system.

Key Features

• Compact micro servo design
• Durable nylon gear set
• Strong 3 pole ferrite motor
• Smooth analog operation
• Lightweight and easy to install
• One of Hitec’s most widely used micro servos

Performance Specifications

• Operating Voltage: 4.8V / 6.0V
• Speed: 0.11 / 0.09 sec @ 60°
• Torque: 36 / 42 oz/in (2.6 / 3.0 kg/cm)
• Stall Current: 1,500 mA
• Idle Current: 8.8 mA
• Dead Band Width: 8 µs

Physical Specifications

• Dimensions: 29.8 x 12.0 x 29.6 mm
• Weight: 16.6 g
• Gear Material: Nylon
• Motor Type: 3 Pole Ferrite
• Bearing Type: None
• Case Material: Plastic

Fitment & Use

Works well in 1/14 scale RC trucks, as well as airplanes, boats, and other small scale RC applications. Ideal for lighter duty steering, shifting mechanisms, or auxiliary functions.

If you need a compact, reliable servo for a lighter setup or tight install, the HS-81 is a solid piece to keep in your lineup.