RX4 Element Proof Crawler ESC - Blemish

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*This is a scratch & dent item and may have minor cosmetic blemishes that do not affect the performance of the item.*

RX4 Brushless Sensored ESC is designed to power your chassis past any obstacle. With massive power handling capabilities, a waterproof* design and all the customization features you’d expect from a Tekin ESC; the RX4 has you covered no matter the situation. Not only reliable, this ESC has a host of built in features like a High Voltage BEC, Drag Brake, Data Logging, Voltage Cutoffs for LiPos, HotWire 3.0 Bluetooth Connectivity and the ability to run either Brushed or Brushless motors. The RX4 defines versatility.


The RX4 Housing is a thick-walled, reinforced Hardbox design able to withstand the elements and rough environments that come with true Offroad adventuring.


Rocks, Dirt, Snow, Sand, Mud, Trail and Track; the RX4 is no-limits RC fun.


HardBox Waterproof Design *

? Multi-Fin High Efficiency Heat Sink and Optional High RPM Cooling Fan

? QuickTune™ One Touch Programming

? Adjustable Torque Control ***

? Adjustable Throttle and Brake Frequencies ***
HD High Voltage Programmable BEC ***
HotWire™ Programming Port ***
Data Logging Capability ***
Sensor Checker

? One-Touch Radio Calibration
On-Board Temperature Indicator

? ESC Self Diagnostics with Error Codes
Fully Proportional Forward/Brake/Reverse

? D2: Dual Drive Mode Technology

? Brushless and Brushed Motor Drive

? Sensored or Sensorless Operation

? LiPo Safe with Custom Voltage Cutoffs

? Sensor Plug for Precise Commutation

? HDAC: High Density Copper PCB's
Ultra-smooth and Precise Throttle and Braking Control


* Waterproof in sensorless operation only. Element Proof ESCs and Motors are specially designed to withstand water splashes and are not meant to be submerged. Included dielectric grease must be used on the sensor connections to protect them from shorting.


**The RX4 is not intended for operation while submerged in liquid.

*** requires HotWire™ sold separately.

25mm RX4 Fan Included #TT3833
High airflow volume for extreme cooling
Impact resistant durable design for offroad applications
Brushless Motor


Controls: Forward/Brake/Reverse

Input Voltage: 2S-6S LiPo

Motor Limit Brushless Mode: 2S - 5700kV 4-pole

3S - 3500kV 4-pole

4S - 2300kV 4-pole
5S - 1800kV 4-pole
6S - 1200kV 4-pole

Motor Limit Brushed Mode: No Limit

Max Current: 240amps per phase*


BEC: 6.0v / 7.4v @ 8amps

Dimensions: 1.6 x 2.0 x 1.4" / 40.6 x 50.8 x 35.5mm

Weight: 2.65oz / 75.5g


*per manufacturer specs

The RX4 is designed to be paired with Tekin ROC412 HD, ROC412, PRO4 HD, PRO4 or PRO2 motors or similar spec motors 36mm in diameter.

Items purchased as Scratch & Dent are sold as-is with no factory warranty. No exceptions.