T-Motor F40 PRO IV 2400KV 4S Motor

The T-Motor F40 PRO IV is a 2306-class brushless motor for 5-inch racing and freestyle quads. This is the 2400KV version, wound for 4S LiPo. It is about 9% lighter than the F40 PRO III, with a titanium shaft, revised internals and custom silicone leads.

Key features

• 2400KV winding matched to 4S packs for fast, responsive 5-inch flying

• 30.6g including cable, so the quad stays light for quicker direction changes

• 12N14P configuration with 45 mΩ internal resistance

• Up to 666W and 42.9A peak (60 s), giving plenty of punch on 5-inch props

• Pre-fitted 20AWG, 150mm leads

Specifications

• KV: 2400KV

• Stator: 2306

• Rated voltage: 4S LiPo

• Motor dimensions: 27.9 x 29.8mm

• Shaft diameter: 4mm

• Configuration: 12N14P

• Weight (with cable): 30.6g

• Idle current: 1.6A

• Internal resistance: 45 mΩ

• Max power (60 s): 666W

• Peak current (60 s): 42.9A

• Leads: 20AWG, 150mm

Order four for a quad and pair them with an ESC rated comfortably above the 42.9A peak. Run them on 4S only; for 6S builds choose a lower-KV motor.