Elevate your TRX-4M to elite performance levels with the Furitek CRAWLCORE Waterproof Combo, featuring the UNITY PRO 3500KV 2-in-1 Brushless System and the upgraded MICRO STELLAR 4M Transmission. Designed for extreme crawling precision, torque, and durability, this combo delivers buttery-smooth throttle control and efficient power delivery — even in the harshest terrain.
The UNITY PRO integrates a powerful 3500KV brushless motor with a built-in FOC ESC in a single compact and fully waterproof unit. With Field-Oriented Control (FOC) technology, it provides ultra-smooth throttle response, minimal cogging, and precise low-speed control.
MICRO STELLAR 4M Transmission
The upgraded MICRO STELLAR 4M Transmission is built to match the power of brushless motors, with precision-cut steel gears, high-quality bearings, and a 40.3:1 gear ratio that improves torque transfer while minimizing power loss.
System Features
- 2-in-1 Design – ESC + Motor in one sleek module
- Fully Waterproof & Dustproof (IP67 Equivalent)
- FOC Technology – Silent, precise low-speed crawling
- 5.5V / 7.4V / 8.4V BEC @ 5A – Power-hungry servo ready
- Furicar App – Live tuning, telemetry & firmware updates
- Compact, Plug-and-Play – No messy wires, easy install
Transmission Highlights
- CNC-Machined Aluminum Gearbox – Strength without weight
- Precision Steel Gears – Designed for brushless systems
- 40.3:1 Gear Ratio – Optimal for crawling control & torque
- Pre-assembled with high-quality bearings
Why Choose the CRAWLCORE Waterproof Combo?
- Fully Waterproof ESC + Motor + Transmission
- Ultra-smooth throttle with real-time tuning
- Torque-optimized gear ratio for TRX-4M crawlers
- Compact & plug-and-play installation
- Built for power, precision, and durability