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Firma 3900Kv 4-pole Brushless Motor

Item No. SPMXSM3300
Brand Logo
5 out of 5 Customer Rating

Firma 3900Kv 4-pole Brushless Motor

Item No. SPMXSM3300
$95.99
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Firma 85A Brushless Smart ESC, 2S
SPMXSM3300 SPMXSE1085
Firma 85A Brushless Smart ESC, 2S
In Stock
$69.99
Firma 100A Brushless Smart ESC, 3S
SPMXSM3300 SPMXSE1100
Firma 100A Brushless Smart ESC, 3S
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Firma 120A Brushless Smart ESC, 4S
SPMXSM3300 SPMXSE1120
Firma 120A Brushless Smart ESC, 4S
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Firma 130A Brushless Smart ESC, 2S-4S
SPMXSM3300 SPMXSE1130
Firma 130A Brushless Smart ESC, 2S-4S
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$139.99
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Product Details

In The Box
  • (1) Spektrum Firma 3660-3900kv Sensorless 1/10 Brushless Motor with 4mm Gold Plated Bullet Connectors
  • (1) Product Manual
Needed to Complete
  • Electronic Speed Control such as the Firma 130 Smart ESC
Firma 3900Kv 4-pole Brushless Motor

Overview

Great choice for 1/10 Scale 4WD models looking for a high RPM motor upgrade running up to 3S * (12.6v) power. Low cog 4-pole rotor design, CNC machined aluminum housing, insulated high purity copper windings, high-quality alloy steel 5mm output shaft, and high-precision bearings for high durability and smooth rotation. Preinstalled with 4mm gold plated bullet connectors for easy installation. Perfectly matched for the Firma 130 Smart ESC.

*Will work with the 85A Firma ESC, but only for 2S power.

Features

  • Perfect upgrade for brushed 540- and 550-size brushed motors with the same diameter and mounting pattern (vehicle must accept pinions with a 5mm bore)
  • High-quality 4-pole sintered rotors
  • Includes 4mm gold plated bullet connectors
  • Precision ball bearings and hardened steel 5mm shaft
  • SafeD-5 Pinion compatible

Product Specifications

Application 1/10 Scale Surface
Input Voltage 12.6V
Maximum Continuous Current 45A
Motor Type Brushless
Outer Diameter 1.4" (36 mm)
Product Length 2.35" (60 mm)
RPM/Volt (Kv) 3900Kv
Shaft Diameter 0.2" (5 mm)