Description

Firma 4000Kv Brushless Motor

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

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.

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 Design Inrunner

Motor Size 3652

Motor Type Brushless – Sensorless

Number of Poles 4

Product Weight 7.4oz (210g)

RPM/Volt (Kv) 4000Kv

Shaft Diameter 0.125″ (3 mm)