Spektrum Firma 2-in-1 Brushless Crawler Motor/ESC: 1400Kv
Spektrum Firma 2-in-1 Brushless Crawler Motor/ESC: 1400Kv

Spektrum Firma 2-in-1 Brushless Crawler Motor/ESC: 1400Kv

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Your Price: $149.99
Part Number: SPMXSEM1040A
Availability: Out of Stock.

The Spektrum Firma Sensored 2-in-1 System is specifically engineered to be used with 10th scale Crawlers and Scalers. Featuring advanced Field-orientated Control (FOC) and professional drag brake performance and torque control, all while being fully waterproof.

The compact 2-in-1 design grants builders the ability to reduce clutter and components, giving you the most room for scale accessories and customization. The integrated design makes the size similar to a 550 can size motor, making it a easy drop-in option for most 1/10 scale crawler, scaler and trailer models.

Available in a low speed 1400Kv option for extreme slow speed and high angle of attack performance. And a high speed 2300Kv for excellent control for trailers and rock bouncers.


  • Pro-level Drag Brake performance and adjustability
  • RPM/Throttle Matching enabled
  • FOC (Field-Oriented Control) equipped
  • Integrated 40-amp ESC (160amp burst)
  • 2-3S LiPo/6-9 Cell NiMH input voltage range
  • IP-67 rated waterproof system
  • Fully programmable with optional Spektrum ESC Programmer Box (not included)
  • Developed and designed by Spektrum engineers, in partnership with the industry's leading ESC and Brushless Motor manufacturer
  • Compact for easy installation in most applications
  • Ready to install — no soldering required
  • Adjustable high-power BEC (6V or 7.4V)
  • Firmware updatable through the Spektrum ESC Programming Box
  • High heat resistant IC3 connectors, backwards compatible with EC3 connectors
  • Limited 1-year warranty
Multi Point Protection:
  • Over-current protection
  • Automatic LiPo low-voltage cutoff
  • Thermal protection
  • Failsafe protection

Application1/10 Rock Crawler
Auto Cutoff Yes
BEC Voltage 6V/7.4V adjustable, continuous current 4A (Switch mode)
Connector Type IC3
Forward Yes
Input Voltage 2-3S Lipo, 6-9 Cells NiMH
Maximum Burst Current 160A
Maximum Continuous Current 40A
Motor Size 550-Size
Motor Type Brushless - Sensored
Number of Poles 4
Outer Diameter 1.45" (37 mm)
Overload Protection Yes
Product Length 2.28" (58 mm)
Product Weight 201g (including wire plug)
Programmable Yes
Reverse Yes
RPM/Volt (Kv) 1400Kv
Shaft Diameter 0.125" (3 mm)
Shaft Length 0.62" (16 mm)

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