Servo selection: torque, speed, gears and voltage
How to select servos for trainers, sport aircraft, large models, cars and boats without under-sizing a control surface.
X20-7512 Brushless High Power Servo 82Kgf.cm 0.11sec for Large Scale RC Model Industrial
Prices are intentionally not displayed on the site.
Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
X20-7512 Brushless High Power Servo 82Kgf.cm 0.11sec for Large Scale RC Model Industrial is a KST Servos product selected for Industrial & UAV 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
- 4 Pole Brushless DC Motor
- 2 Ball Bearings
- Ultra High Torque & Excellent Speed
- Hardened Steel Gear
- CNC Aluminium Case
- IP65 Waterproof
Core Specifications
- Voltage Range: DC6.0V-8.4V
- Rated Voltage: DC7.4V
- Motor Type: 4 Pole Brushless DC Motor
- Gear Set Material: Hardened Steel
- Ball Bearing: 2BB
- Case Dimensions: 40.5mm*20mm* 38mm±0.2mm
- Weight: 70g±10%
- Item: X20-7512 High Power Servo
- Torque: 65Kgf.cm@6.0V/ 75Kgf.cm@7.4V/ 82Kgf.cm@8.4V
- Speed: 0.14sec/60°@6.0V / 0.12sec/60°@7.4V / 0.11sec/60°@8.4V
- Stalling Current: 8.80A@6.0V / 10.8A@7.4V / 12.3A@8.4V
- Working Frequency: 1520μs/333Hz
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.
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.
How to install servos and linkages correctly
Mechanical setup guide for servo arms, linkage angles, throw, control horns, neutral position and radio setup after geometry is correct.
How to set Dual Rates and Expo on an RC transmitter
Make an aircraft calmer for beginners by setting low rates, high rates and expo without hiding mechanical setup problems.
How to set failsafe correctly on an RC aircraft
Failsafe setup for electric and fuel aircraft: throttle behavior, receiver signal loss, switch positions and safe verification before flight.
| Technical Specifications | |
| Manufacturer | KST Servos |
| Brand | KST |
| Product Code | BR0023.0227 |
| All Variant SKUs | BR0023.0227 |
| Rated Voltage | DC7.4V |
| Voltage Range | DC6.0V-8.4V |
| Working Frequency | 1520μs/333Hz |
| Default Travel Angle | ±50°=100° Total |
| Temperature Range | -20℃.......+65℃ |
| Programmable | Yes |
| Case Material | Aluminum Alloy |
| Motor Type | 4 Pole Brushless DC Motor |
| Gear Set Material | Hardened Steel |
| Position Sensor | Potentiometer |
| Ball Bearing | 2BB |
| Case Dimensions | 40.5mm*20mm* 38mm±0.2mm |
| Weight | 70g±10% |
| KST Collections | Industrial, Industrial Servos, Standard Servos, X20 Series |
| Series | X20 Series |
| Size Class | Standard Servos |
| Application | Industrial & UAV Servos |
| Features | 4 Pole Brushless DC Motor; 2 Ball Bearings; Ultra High Torque & Excellent Speed; Hardened Steel Gear; CNC Aluminium Case; IP65 Waterproof; Ideal for Giant Scale RC Planes and Industrial Applications |
| Package Includes | 1 * X20-7512 Standard Servo; 1 * CNC Servo Horn; 5 * Plastic Servo Horn; 1 * Servo Horn Screw; 4 * Grommet |
| Item | X20-7512 High Power Servo |
| Torque | 65Kgf.cm@6.0V/ 75Kgf.cm@7.4V/ 82Kgf.cm@8.4V |
| Speed | 0.14sec/60°@6.0V / 0.12sec/60°@7.4V / 0.11sec/60°@8.4V |
| Product Type | RC |
| Waterproof | IP65 |
| Stalling Current | 8.80A@6.0V / 10.8A@7.4V / 12.3A@8.4V |
Tags: KST Servos, BR0023.0227, Industrial & UAV Servos, Standard Servos, X20 Series, RC servo