Skip to main content
X20-7.4-M-805 HV Brushless HLS Tail Servo 12Kgf.cm 0.030sec for 700-800 Class RC Helicopters

X20-7.4-M-805 HV Brushless HLS Tail Servo 12Kgf.cm 0.030sec for 700-800 Class RC Helicopters


  • Brand:KST Servos
  • Product Code:KST-BR0023.0153-1
  • SKU:BR0023.0153-1
  • Availability:Availability on request

Prices are intentionally not displayed on the site. Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
Quote quantity Choose the requested quantity, select options/variants if available, and add the item to one combined quote request.

These selections are sent with the SKU, model and quantity so we can check fit and availability.

Why choose X20-7.4-M-805 HV Brushless HLS Tail Servo 12Kgf.cm 0.030sec for 700-800 Class RC Helicopters through RC-MODEL?

X20-7.4-M-805 HV Brushless HLS Tail Servo 12Kgf.cm 0.030sec for 700-800 Class RC Helicopters is an RC product from KST Servos. This page focuses on what an end customer needs: fit, use cases, specifications and imagery, without prices or outbound supplier detours.

Fit and use

X20-7.4-M-805 HV Brushless HLS Tail Servo 12Kgf.cm 0.030sec for 700-800 Class RC Helicopters fits customers looking for KST Servos items in Helicopter Servos, Industrial & UAV Servos, Standard Servos, with RC-MODEL support for choosing the right configuration.

  • Relevant category: Helicopter Servos, Industrial & UAV Servos, Standard Servos
  • Product identification for inquiry: model KST-BR0023.0153-1 / SKU BR0023.0153-1

Key details

  • Features: Ultra High Torque & Excellent Speed; Brushless DC Motor; Contactless Hall Sensor; Hardened Steel Gears; 6 Ball Bearings; CNC Aluminium Ca...
  • Gear Set Material: HLS Hardened Steel
  • Size Class: Standard Servos
  • Package Includes: 1 * X20-7.4-M-805 Brushless Servo; 1 Pack of Accessories; Download; Technical Specification of X20-7.4-M-805 Brushless Servo
  • Manufacturer: KST Servos
  • Rated Voltage: DC7.4V

Before ordering

  • Confirm dimensions, power system, radio compatibility or material size before purchase.
  • Ask us to match required accessories, adhesives, hardware, batteries or replacement parts.
  • RC-MODEL helps with fit checks, availability, compatible accessories and a formal quote in Israel.

X20-7.4-M-805 HV Brushless HLS Tail Servo 12Kgf.cm 0.030sec for 700-800 Class RC Helicopters is a KST Servos product selected for Helicopter Servos. This page is written for practical buying decisions, with the key fit, size, voltage and performance details organized in one place.

Use it to compare torque, speed, voltage range, construction, dimensions, weight, variants and accessory compatibility before choosing the right component for an RC aircraft, helicopter, car, glider, UAV or workshop installation.

Key Advantages

  • Ultra High Torque & Excellent Speed
  • Brushless DC Motor
  • Contactless Hall Sensor
  • Hardened Steel Gears
  • 6 Ball Bearings
  • CNC Aluminium Case

Core Specifications

  • Voltage Range: DC6.0V-8.4V
  • Rated Voltage: DC7.4V
  • Motor Type: Brushless DC Motor
  • Gear Set Material: HLS Hardened Steel
  • Ball Bearing: 6BB
  • Case Dimensions: 40mm*20mm* 40mm±0.2mm
  • Weight: 75g±10%
  • Item: X20-7.4-M-805 HLS Brushless Servo
  • Torque: [email protected] / [email protected] / [email protected]
  • Speed: 0.040sec/60°@6.0V / 0.035sec/60°@7.4V / 0.030sec/60°@8.4V
  • Working Frequency: 760μs/560Hz
  • Temperature Range: -10℃.......+65℃
Relevant RC Academy guides

Learn before you buy

These guides explain the setup, safety checks and accessory choices that usually matter for this product type.

Buying guides

Which servo fits each RC aircraft type?

A buying table for matching servo size, torque, speed, gear type and voltage to trainers, gliders, 3D aircraft, EDF jets and Giant Scale models.

Technical Specifications
Manufacturer KST Servos
Brand KST
Product Code BR0023.0153-1
All Variant SKUs BR0023.0153-1
Rated Voltage DC7.4V
Voltage Range DC6.0V-8.4V
Working Frequency 760μs/560Hz
Temperature Range -10℃.......+65℃
Case Material Aluminium Alloy
Motor Type Brushless DC Motor
Gear Set Material HLS Hardened Steel
Position Sensor Contactless
Ball Bearing 6BB
Case Dimensions 40mm*20mm* 40mm±0.2mm
Weight 75g±10%
KST Collections Helicopter Servos, Industrial, Standard Servos, X20 Series
Series X20 Series
Size Class Standard Servos
Application Helicopter Servos
Features Ultra High Torque & Excellent Speed; Brushless DC Motor; Contactless Hall Sensor; Hardened Steel Gears; 6 Ball Bearings; CNC Aluminium Case; HLS (High Life Span) Hardened Steel Gearbox; Ideal for 700-800 Class RC Helicopters
Package Includes 1 * X20-7.4-M-805 Brushless Servo; 1 Pack of Accessories; Download; Technical Specification of X20-7.4-M-805 Brushless Servo
Item X20-7.4-M-805 HLS Brushless Servo
Torque [email protected] / [email protected] / [email protected]
Speed 0.040sec/60°@6.0V / 0.035sec/60°@7.4V / 0.030sec/60°@8.4V
Product Type RC

Tags: KST Servos, BR0023.0153-1, Helicopter Servos, Industrial & UAV Servos, Standard Servos, X20 Series, RC servo