Black servo motor with visible branding on a white background
Kingmax KM5509MD digital metal gear servo with features highlighted on a white background
Kingmax KM5509MD digital metal gear servo with specifications on a white background
Technical drawing of a mechanical component with dimensions on a black background
Set of black mechanical parts and screws on a white background
Electronic component in clear packaging on a white background
Black servo motor with visible branding on a white background
Kingmax KM5509MD digital metal gear servo with features highlighted on a white background
Kingmax KM5509MD digital metal gear servo with specifications on a white background
Technical drawing of a mechanical component with dimensions on a black background
Set of black mechanical parts and screws on a white background
Electronic component in clear packaging on a white background
Kingmax

KingMax KM5509MD Digital Metal Gear Standard Servo – 9.98kg Torque

In stock
SKU: KM5509MD
(4)
$27.95

KingMax KM5509MD Digital Metal Gear Standard Servo

The KingMax KM5509MD is a high-performance digital standard servo designed for RC aircraft, boats, cars, and other applications requiring dependable torque, durable metal gears, and precise digital control.

Featuring high-precision Taiwan-made full metal gears, a quality DC motor, and dual ball bearings, the KM5509MD delivers up to 9.98kg-cm (138.62 oz-in) of torque at 6.0V while maintaining smooth operation and reliable centering.

Its standard-size design, lightweight 55.6g construction, and standard 25T spline make it an excellent choice for sport aircraft, trainers, scale models, and general-purpose RC applications.

Features

  • High-performance digital standard servo
  • High-precision Taiwan-made full metal gears
  • High-quality DC motor
  • Dual ball bearings (2BB)
  • Standard 25T spline
  • Reliable digital control and centering
  • Compact standard-size design
  • Suitable for a wide variety of RC applications

Performance Specifications

Voltage Speed Torque
5.0V 0.15 sec/60° 8.89kg-cm (123.48 oz-in)
6.0V 0.12 sec/60° 9.98kg-cm (138.62 oz-in)

Specifications

Model KM5509MD
Servo Type Digital Standard Servo
Gear Train Full Metal Gears
Motor DC Motor
Bearings Dual Ball Bearings (2BB)
Spline Standard 25T
Dead Band 2μs Default
Operating Voltage DC 4.8V–6.0V
Rated Working Voltage DC 5.0V
Working Frequency 1520μs / 330Hz
Working Angle ±90° @ 500μs–2500μs
Waterproof No
Dimensions 40.5 × 20.2 × 38.9mm (1.59 × 0.80 × 1.57 in)
Weight 55.6g (1.96 oz)
Connector JR Connector
Wire Length 265mm (10.43 in)
Working Temperature -10°C to +50°C (14°F to 122°F)
Storage Temperature -20°C to +60°C (-4°F to 140°F)

Ideal For

  • Sport aircraft
  • Trainer aircraft
  • Scale aircraft
  • Smaller warbirds
  • RC boats
  • RC cars
  • General-purpose RC applications

Includes

  • KingMax KM5509MD Digital Metal Gear Standard Servo
  • Manufacturer-supplied servo accessories