Firma 2436 4500Kv 4-Pole Sensorless Brushless Motor: Minis

The Spektrum Firma 2436 4500Kv 4-Pole Sensorless Brushless Motor (SPMXSM4000) delivers smooth, efficient power for mini RC applications. Its low-cog 4-pole rotor, CNC-machined aluminium housing and precision bearings provide responsive performance and refined running, while insulated high-purity copper windings and a hardened steel output shaft enhance durability. With 3.5mm bullet connectors and a compact 2436 size, it’s a strong choice for builds running 2–3S LiPo power and tight chassis layouts.

Key Features

• 2–3S LiPo power compatible
• Designed for efficiency and smooth low-cog startup
• 4-pole sintered rotor for strong torque
• CNC-machined aluminium housing
• Hardened steel output shaft
• Precision ball bearings

Specifications

• Input Voltage: 2–3S / 12V
• RPM/Volt (Kv): 4500Kv
• Motor Size: 2436
• Motor Type: Brushless (sensorless)
• Number of Poles: 4
• Connector Type: 3.5mm bullet
• Shaft Diameter: 2 mm
• Shaft Length: 12 mm (0.47 in)
• Outer Diameter: 24 mm (0.95 in)
• Product Length: 35 mm (1.38 in)
• Product Weight: 61 g (2.15 oz)
• Bearing Type: Precision ball bearings
• Application (suggested compatibility): 1/16 to 1/18 scale mini-sized vehicles

What’s Included

• Spektrum Firma 2436 4500Kv 4-Pole Brushless Motor
• Product manual