Spektrum RC Firma Crawler Sensored Brushless Smart ESC & Motor Combo (1400kV)

Spektrum RC Firma Crawler Sensored Brushless Smart ESC & Motor Combo (1400kV)
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The Spektrum RC Firma Crawler Sensored Brushless Smart ESC and 1400kv Motor Combo is specifically engineered to be used with 10th scale Crawlers and Scalers. Featuring advanced Smart connectivity, professional Drag Brake Performance and torque control, all while being fully waterproof.

With Firma Smart ESCs, your vehicles will be conveniently connected to your ESC — without installing extra components that all work independently of each other. You won't need extra wires, modules, or links. A Firma electronic speed control provides a one-wire solution for obtaining telemetry data such as RPM, temperature, battery voltage and capacity. This combo is an easy and smart way to improve your Scale RC experience.


  • Smart all-in-one telemetry
  • Pro-level Performance Sensored Motor and ESC
  • Fast, powerful 32-bit ARM M4 processor
  • Waterproof ESC
  • Waterproof sensor wire with locking plug and gasket
  • Multiple options for easy programming: 
    • Smart ESC Programming Box (V2 version required)
    • SmartLink USB Updating and Programmer application 
    • Programming from Transmitter via Text Gen Telemetry
  • Multi-point protection:
    • Over-current protection
    • Automatic LiPo low-voltage cutoff 
    • Thermal protection 
    • Failsafe protection
  • Developed and designed by Spektrum engineers, in partnership with the industry's leading ESC manufacturer
  • Compact for easy installation in most applications
  • Ready to install — no soldering required
  • Aluminum heat sink for high efficiency
  • Includes Optional Cooling fan
  • Adjustable high-power BEC (6V or 7.4V)
  • Firmware updatable through the Smart ESC Programming Box
  • High heat-resistant IC connectors, backwards compatible with EC connectors


  • Motor:
    • Type: Crawler
    • Motor Size: 1/10
    • Application: 1/10 scale crawlers, rock racers, and trailers running on 2S-3S LiPo power
    • Connector Type: 4mm Bullet
    • Recommended Speed Control: Spektrum Firma 60A Sensored Brushless Smart Crawler ESC
    • Reverse: Yes
    • Water-Resistant: Yes
    • Forward: Yes
    • Maximum Continuous Current: 38A
    • Bushing Or Bearing: Bearing
    • Number of Poles: 4
    • Motor Type: Brushless - Sensored
    • RPM/Volt (Kv): 1400kV
    • Input Voltage: 7.4 - 11.1V
    • Outer Diameter: 1.42" (36mm)
    • Shaft Diameter: 0.125" (3mm)
    • Overall Length: 2.27" (58mm)
  • ESC:
    • Length: 1.9" (48mm)
    • Height: 0.96" (24mm)
    • Width: 1.4" (36mm)
    • Weight: 2.89oz (82g)
    • Maximum Continuous Current: 60A
    • Forward: Yes
    • Overload Protection: Yes
    • Brakes: Adjustable drag brake force
    • Connector Type: IC3
    • Reverse: Yes
    • Maximum Burst Current: 360A
    • Low-Voltage Cutoff Programmable: Yes
    • Motor Limit: Only Spektrum sensorless motors
    • Programmable: Yes
    • Technology: Smart
    • BEC Voltage: 6V/7.4V
    • BEC Continuous Current: 3A
    • BEC Type: Switchable
    • Water-Resistant: Yes


  • (1) Spektrum RC Firma 60A Sensored Brushless Smart Crawler ESC
  • (1) Firma Sensored 540 Brushless Crawler Motor (1400kV)

This product was added to our catalog on February 28, 2023