EMAX ECO 1404 3700KV Brushless Motor

EMAX ECO Series | 1404 | 3700KV Brushless Motor

The EMAX ECO 1404 3700KV is a compact, ultra-high-speed brushless motor from EMAX's ECO series, purpose-built for micro and toothpick-class FPV drones where low weight and blistering RPM are everything. At 3700KV, it delivers explosive throttle response and high-speed performance on 3S–4S LiPo with small, lightweight propellers.

Key Features

• 1404 stator size — ultra-compact and lightweight, ideal for toothpick, micro, and 2–3" FPV builds
• 3700KV rating — very high RPM output for fast, punchy performance on 3S–4S LiPo
• ECO series efficiency — optimized winding for reduced heat and maximum power-to-weight ratio
• Lightweight design — minimizes all-up weight for ultra-agile micro drone performance
• Durable construction — quality bearings and robust motor bell for reliable field use
• EMAX quality — globally trusted brand in FPV and RC aviation

Specifications

• Brand: EMAX
• Series: ECO
• Stator Size: 1404
• KV Rating: 3700KV
• Recommended Battery: 3S – 4S LiPo
• Ideal Application: Toothpick, micro FPV, 2–3" prop builds

Tiny motor, massive performance — the EMAX ECO 1404 3700KV is the heart of every serious micro FPV build.