Align 850MX Dominator Brushless Motor (490KV) (Red)

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Align 850MX Dominator Brushless Motor (490KV) (Red)
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This is the Align 850MX Dominator 490kV Brushless Motor. The Align 850MX was developed by Aligns R&D lab to meet the power and torque requirements of demanding 3D pilots. This motor is a great choice for 700 and 800 class helicopters, delivering 5,100 watts of continuous power output with an incredible 11,000 watts of burst power! The 850MX motor is a high efficiency, low current draw motor that will provide consistent torque and head speed during demanding 3D maneuvers.


  • Developed for demanding 3D pilots
  • 5,100 watts continuous power output and 11,000 watts of burst power
  • High efficiency, superior power, excellent torque, low current draw and low temperature
  • Capable of maintaining consistent torque and head speed through continuous 3D maneuvers
  • Incorporates radial fan in its end bell, creating powerful airflow to dissipate heat
  • Tweaks to the design and reduction in weight provide a dramatic power increase
  • High efficiency cooling system enables cooler operating temperature during and after flights when compared to previous generation motors
  • The 850MX motor armature are dynamically balanced to eliminate typical imbalance found in other outrunner motors.
  • High-speed ball bearings, powerful magnetic outrunner rotor
  • Suitable for T-REX 700E and 800E, as well as other 700 class helicopters
  • When using with T-Rex 700E, use 110T main gear and 13T pinion
  • When using with T-Rex 800E, use 112T main gear and 12T pinion

Input Voltage:
12S (DC 50.4V)
Max Continuous Current: 115A/250A (2sec)
Max Output Power: 5100/11000W (2sec)
KV Value: 490KV
Stator Arms: 12
Magnet Poles: 10
Dimension: Spindle 6x56.7x112.5mm
Output Shaft Length: 50.20mm
Output Shaft Diameter: 6mm
Weight: 570g


  • (4) Socket Screw 4x10mm
  • (4) Washer 4x10x1mm
  • (3) 4mm Gilt Terminal

This product was added to our catalog on May 30, 2013

Gordon Critcher
Verified Owner
Tuesday, Jul 7 2020 (about 3 years ago)
Align 850MX Dominator Brushless Motor (490KV) (Red)
The A Team at Amain will sort it out. Any problems will bw dealt with and the customer comes first.
Verified Owner
Saturday, Sep 19 2015 (about 8 years ago)
Align 850MX Dominator Brushless Motor (490KV) (Red)
This motor is a absolute power house! Has held up very well in my 800E.