6S high-power crawler ESC

The ESC supports up to 6S LiPo battery.

It has a maximum output continuous current of up to 135A.

The AXE R3 can be used on 1/10th and 1/8th crawler, also compatible with 1/7th and 1/6th crawler.

New compact design.

Compatible with all Axe R2 motors.

Note: The AXE R3 is 2.1mm longer, 1.7mm wider and 3.7mm shorter than the R2 ESC.

Dual external control channels, real-time adjustment of parameters

Connect the white and yellow signal cables to open channels of the receiver to adjust parameters in real time.

Note: The actual functions of the white and yellow wires correspond to the setting parameters of channel 3/4 in the parameter table respectively.

FOC drive, linear, with plenty torque, and very quiet

The XeRun AXE R3 is equipped with a FOC drive system. The large torque and excellent linearity when operating at low speed further exceeds ordinary brushless power systems and out performs brushed power systems. The XeRun AXE R3 is nearly silent, and it’s the perfect choice for crawling vehicles.

Smart torque output, easy to control

The ESC automatically increases the torque output to overcome resistance and accelerate up the hill. Vice versa, the ESC automatically reduces the torque output and stabilizes the vehicle speed when going down the hill. Provides excellent control going Up, or Down hills.

The ESC is powerful, with excellent linear control, which can meet the needs of the vehicle’s low-speed climbing while also meeting the needs of violent start-up lifting, straight-line high speed, etc.

Smart fan start and stop function

The fan starts to operate automatically ONLY when the ESC temperature reaches the preset value. The smart start and stop function of the fan helps to save power, reduce noise, and also ensures that the ESC works in a good temperature range.

High protection level

The AXE R3 brushless system is now IP67 protected. It has excellent waterproofing and dust-proofing performance to cope with various climatic conditions.

Note: The above-mentioned IP67 protection level is splash-proof, water-resistant, and dust-proof under normal use. It is not permanently effective, and the protective performance may decrease due to aging. Do not submerge in water for a long time, otherwise the product may be damaged.

Super Internal BEC

It has a built-in powerful BEC with a maximum output current of 15A. The voltage is switchable between 6V/7.4V/8.4V and is suitable for various standard/high-voltage servos and peripheral electrical equipment on the market (such as light sets, winches, etc.).

Built-in Bluetooth for Connecting the Mobile APP Directly

The ESC has a built-in Bluetooth module. Parameter settings, data reading, firmware upgrade and other operations can be achieved by connecting the device to the mobile APP.

Obtain AXE Running Status with Real-time Data Function with ease

Connect the ESC to the HW Link mobile app and turn on the real-time data function. You are able to view throttle, voltage, current, temperature, speed and other data in real time, and obtain the ESC and motor operating status with ease.

Note: The effective distance is only about 5m due to transmission distance of bluetooth.

Built-in data logging function, ease of obtaining power operating status

The ESC has a built in data recording module. Store up to 10 minutes of your most recent run. Using the HW Link V2saved to the ESC. saved to the ESC. In addition, the module allows you to view Time Data from the ESC for bench top testing and viewing of the data outputs.

Note: Due to transmission distance of bluetooth, the effective distance is only about 5m!

Compatible with AXE R2 motor

AXE R3 ESC supports both AXE 4274 R3 motor and AXE 550/540L/540 R2 motor.

Note: AXE R2 motor, 2800KV/2100KV/1400KV/2300kv are recommended to use 3-4S.

Supports Flysky i-BUS2 Telemetry

Achieve real-time ESC parameter adjustments using the I-BUS2 Telemetry on the Flysky NB4 controllers. Additionally, the data return function has been implemented to the Flysky NB4 remote controllers. You will be able to view data such as; battery voltage, motor speed, operating current, ESC/motor temperature, etc in real time on the remote control.

Note: You are required to upgrade to the latest firmware on your remote control in order to use the Ibus2 functions. The release date is expected to be at the end of May, subject to the official announcement from Flysky.

A vast variety of parameters

The XeRun AXE R3 has a vast variety of parameters for adjustment. It has a total of 21 adjustable parameters and supports 24-degree adjustable Turbo timing. The maximum speed can be unleashed with good road conditions.


Scale: 1/10th,1/8th,1/6th
Brushed/Brushless: BL
Sensored/Sensorless: SD
Waterproof: Waterproof
Cont./Peak Current: 135A/600A
Input Voltage: 2-6S Lipo
BEC BEC Output: Switch Mode 6V/7.4V/8.4V @6A
Input Wires: Black-12AWG-265mm*1 Red-12AWG-265mm*1
Output Wires: NO
Input Connectors: XT60
Output Connectors: No
Fan Size: 25*25*10mm
Fan Voltage Range: 6-8.4V
Fan Powered by: BEC
SET Button on ESC: Not Supported
LED Program Box: Not Supported
LCD G2 Program Box: Not Supported
LCD PRO: Not Supported
OTA Programmer: Not Supported
Program Port: Built-in bluetooth
Data Recording Extreme value: Supported
Data Recording Real-time Data: Supported
Data Recording Historical data (Graph): Supported
Firmware Upgrade: Supported
Size: 49.5*37.9*32.8mm(Height with fan)
Weight: 126.5g(Including the weight of input line)
Motors: Only support XERUN AXE R2/R3 motor
Vehicles: 1/10th,1/8th,1/6th Rock Crawler
KV Rating/T Count: AXE R2 540/540L/550 AXE R3 4274

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Updated: May 21, 2024 — 9:37 AM
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