Spektrum Accessories Firma 4000Kv Brushless Motor
Key Features 4mm Gold Plated Bullet Connectors Brushless Non-Sensored Design 1/8" (3.175mm) Alloy Steel Output Shaft icon-boxIn The Box Firma 4000Kv Brushless Motor icon-how-toNeeded to Complete 85A ESC
Quantity
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Detail
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.
Product Specifications
| 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) |
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