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.
Spektrum Firma 4000Kv Brushless Motor Specfications:
- Bushing Or Bearing: Bearing
- Motor Design: Inrunner
- Connector Type: 4mm Bullet
- Efficiency: 81%
- Motor Class: 1/10 Scale
- Motor Size: 3652
- 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)
- Maximum Continuous Current: 40A
- Motor Type: Brushless
In The Box - Firma 4000Kv Brushless Motor
Needed to Complete
- Brand: Spektrum
- Part No: SPMXSM1400
- Barcode: 605482715697
- Fitment: Option Part
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