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.
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
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
Note: This is not a comprehensive list of all compatible products and even though we try our best to keep this list accurate, compatibility is not guaranteed. Please consult the manual for your vehicle, the manufacturer of the product, or contact us here at Hobby Wholesale to confirm compatibility if you are unsure.
This item is a Replacement Part for these products: