Description
Product Details
In The Box
- (1) Spektrum Firma 3660-3900kv Sensorless 1/10 Brushless Motor with 4mm Gold Plated Bullet Connectors
- (1) Product Manual
Needed to Complete
- Electronic Speed Control such as the Firma 130 Smart ESC
Overview
Great choice for 1/10 Scale 4WD models looking for a high RPM motor upgrade running up to 3S * (12.6v) power. Low cog 4-pole rotor design, CNC machined aluminum housing, insulated high purity copper windings, high-quality alloy steel 5mm output shaft, and high-precision bearings for high durability and smooth rotation. Preinstalled with 4mm gold plated bullet connectors for easy installation. Perfectly matched for the Firma 130 Smart ESC.
*Will work with the 85A Firma ESC, but only for 2S power.
Features
- Perfect upgrade for brushed 540- and 550-size brushed motors with the same diameter and mounting pattern (vehicle must accept pinions with a 5mm bore)
- High-quality 4-pole sintered rotors
- Includes 4mm gold plated bullet connectors
- Precision ball bearings and hardened steel 5mm shaft
- SafeD-5 Pinion compatible
Product Specifications
| Application | 1/10 Scale Surface |
| Input Voltage | 2-3S/12.6V |
| Maximum Continuous Current | 45A |
| Motor Type | Brushless |
| Outer Diameter | 1.4″ (36 mm) |
| Product Length | 2.35″ (60 mm) |
| RPM/Volt (Kv) | 3900Kv |
| Shaft Diameter | 0.2″ (5 mm) |
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