In Stock
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4.6 out of 5 Customer Rating

Firma 4000Kv Brushless Motor

Item No.
Spektrum - SPMXSM1400
$44.99
In Stock
Brand Logo
4.6 out of 5 Customer Rating

Firma 4000Kv Brushless Motor

Item No.
Spektrum - SPMXSM1400
$44.99
  • 4mm Gold Plated Bullet Connectors
  • Brushless Non-Sensored Design
  • 1/8" (3.175mm) Alloy Steel Output Shaft

Complete your product

This product may require additional items in order to work out of the box. See below for required items that may be needed to complete.

Connectors

I do not need to purchase this item.

Connector: Gold Bullet Set, 4mm (3)
SPMXSM1400
Connector: Gold Bullet Set, 4mm (3)
DYNC0050
In Stock
$5.99
Connector: Gold Bullet Set, 4mm (10)
SPMXSM1400
Connector: Gold Bullet Set, 4mm (10)
DYNC0087
In Stock
$13.99
Connector: Gold Bullet Female, 4mm (30)
SPMXSM1400
Connector: Gold Bullet Female, 4mm (30)
EFLAEC514
In Stock
$22.99
0 of 1 Selected
Product $44.99
Add Ons
Estimated Total: $44.99

Firma 4000Kv Brushless Motor

Item No.
Spektrum - SPMXSM1400
4.6 out of 5 Customer Rating
Product $44.99
Add Ons
Estimated Total: $44.99
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Product Details

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In The Box
  • Firma 4000Kv Brushless Motor
icon-how-to
Needed to Complete
  • 85A ESC

Features

  • Excellent upgrade for 540- and 550-size brushed motors with the same diameter and mounting pattern (vehicle must accept pinions with a 1/8" bore)
  • High-quality 4-pole sintered rotor
  • 4mm gold plated bullet connectors
  • High-quality construction with precision ball bearings and hardened steel 1/8" shaft

Overview

The Firma 4000Kv brushless motor is a great choice for 1/10 scale 4WD, 2WD, and on-road models running on 2S LiPo power. Featuring a low cog 4-pole 8-magnet rotor design, CNC machined aluminum housing, insulated high purity copper windings, high-quality alloy steel 3.175mm (1/8") output shaft, and precision bearings for high durability and smooth rotation. Preinstalled 4mm gold plated bullet connectors for easy installation, and perfectly matched for the Firma 85A Smart ESC.

Product Specifications

Bushing Or Bearing Bearing
Maximum Continuous Current 40A
Motor Type Brushless
Input Voltage 6 - 8.4V
RPM/Volt (Kv) 4000Kv
Sensored No
Application 1/10 scale 4WD, 2WD, and on-road models running on 2S LiPo power
Number of Poles 4
Product Weight 7.4oz (210g)
Shaft Diameter 0.125" (3 mm)
Motor Design Inrunner
Connector Type 4mm Bullet
Efficiency 81%
Motor Class 1/10 Scale
Motor Size 3652