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.
4mm Gold Plated Bullet Connectors
Brushless Non-Sensored Design
1/8" (3.175mm) Alloy Steel Output Shaft
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
Specs
Application: 1/10 scale 4WD, 2WD, and on-road models running on 2S LiPo power
Bushing Or Bearing: Bearing
Connector Type: 4mm Bullet
Efficiency: 81%
Input Voltage: 6 - 8.4V
Maximum Continuous Current: 40A
Motor Class: 1/10 Scale
Motor Design: Inrunner
Motor Size: 3652
Motor Type: Brushless
Number of Poles: 4
Product Weight: 7.4oz (210g)
RPM/Volt (Kv): 4000Kv
Sensored: No
Shaft Diameter: 0.125" (3 mm)
In The Box
Firma 4000Kv Brushless Motor
Needed to Complete
85A ESC
Spektrum
