






Spektrum SPMXSM5000 Firma 3660-4000Kv 4-Pole Sensorless Brushless Motor with 5mm Shaft
The Spektrum® Firma™ 3650 4000Kv Brushless Motor is a great replacement motor for the 1/8 scale INFRACTION® 4X4 3S BLX All-Road RTR running on 2-3S LiPo power. This motor features a 4-pole rotor design, CNC machined aluminum housing, insulated high purity copper windings, and a high-quality alloy steel 5mm output shaft for durability and smooth rotation. The motor also includes preinstalled 4mm gold-plated bullet connectors for easy installation.
Features
- 2-3S LiPo Power Compatible
- 4-pole Rotor Design
- 5mm Allow Steel Output Shaft
- Pre-installed 4mm Gold-plated Bullet Connectors
Specification
- Connector Type: 4mm Bullet
- Connector Wire Length: 1.96" (50 mm)
- Motor Size: 3660-4000Kv
- Motor Type: Brushless
- Number of Poles: 4
- Outer Diameter: 1.41" (36 mm)
- Product Length: 2.36" (60 mm)
- Product Weight: 300g
- RPM/Volt (Kv): 4000Kv
- Shaft Diameter: 0.19" (5 mm)
- Shaft Length: 0.87" (22 mm)
- Voltage: 7.4v - 111v
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Spektrum® Firma™ 3650 4000Kv Brushless Motor is a great replacement motor for the 1/8 scale INFRACTION® 4X4 3S BLX All-Road RTR running on 2-3S LiPo power. This motor features a 4-pole rotor design, CNC machined aluminum housing, insulated high purity copper windings, and a high-quality alloy steel 5mm output shaft for durability and smooth rotation. The motor also includes preinstalled 4mm gold-plated bullet connectors for easy installation.
Features
- 2-3S LiPo Power Compatible
- 4-pole Rotor Design
- 5mm Allow Steel Output Shaft
- Pre-installed 4mm Gold-plated Bullet Connectors
Specification
- Connector Type: 4mm Bullet
- Connector Wire Length: 1.96" (50 mm)
- Motor Size: 3660-4000Kv
- Motor Type: Brushless
- Number of Poles: 4
- Outer Diameter: 1.41" (36 mm)
- Product Length: 2.36" (60 mm)
- Product Weight: 300g
- RPM/Volt (Kv): 4000Kv
- Shaft Diameter: 0.19" (5 mm)
- Shaft Length: 0.87" (22 mm)
- Voltage: 7.4v - 111v












