- Overview
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.
Includes:
- Firma 4000Kv Brushless Motor
Requires:
- 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
Application 1/10 scale 4WD, 2WD, and on-road models running on 2S LiPo powerSpecs
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)- Specs
Product Specifications
Part Number SPMXSM1400 - Reviews
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