Description
- 4mm Gold Plated Bullet Connectors
- Brushless Non-Sensored Design
- 1/8″ (3.175mm) Alloy Steel Output Shaft
In the Box
- Firma 4000Kv Brushless Motor
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.
| Bushing Or Bearing | Bearing |
| 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 |
| Input Voltage | 6 – 8.4V |
| RPM/Volt (Kv) | 4000Kv |
| Sensored | No |
| Connector Type | 4mm Bullet |
| Efficiency | 81% |
| Motor Class | 1/10 Scale |
| Motor Size | 3652 |
| Maximum Continuous Current | 40A |
| Motor Type | Brushless |
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