6374 170KV Brushless Motor for Electric Skateboard – High Torque 4000W DIY ESK8 Motor

6374 170KV High Torque Brushless Motor – Built for Serious Electric Skateboards

The 6374 170KV brushless outrunner motor is designed for builders who demand maximum torque, strong acceleration, and reliable thermal performance in high-power electric skateboard setups.

With its large 63mm x 74mm stator, low KV rating, and robust construction, this motor is ideal for belt-drive or gear-drive electric skateboards, delivering explosive starts, confident hill climbing, and stable top-end speed.

Whether you're upgrading an existing build or creating a powerful DIY electric skateboard from scratch, the 6374 170KV motor hits the perfect balance between power, efficiency, and durability.

Key Features & Specifications

1. Motor Type: 6374 Brushless Outrunner
2. KV Rating: 170KV (RPM/Volt)
3. Stator Size: 63mm × 74mm
4. Max Power Output: Up to 4000W+ (ESC & battery dependent)
5. Shaft: 8mm hardened steel shaft with keyway
6. Connector: 4mm gold bullet connectors
7. Pole Pairs: 7
8. Application: Electric skateboards, DIY electric vehicles

Why Choose the 6374 170KV Motor?

High Torque Performance
The low 170KV rating provides strong torque at low speeds, making it perfect for heavy riders, steep hills, and aggressive acceleration.

Excellent Heat Dissipation
The large stator and outrunner design increase surface area, helping the motor stay cooler during long rides and high-load conditions.

Reliable & Durable Build
Precision-balanced rotor, high-quality magnets, and robust bearings ensure long service life even under demanding riding conditions.

Perfect Size for ESK8
The 6374 format is widely regarded as the sweet spot for electric skateboards—massive power without unnecessary weight.

Recommended Setup

For best performance, pair this motor with:

1. A high-current ESC (preferably sensored)
2. A high-discharge Li-ion or LiPo battery pack
3. Belt or gear drive system optimized for torque

⚠️ ESC and battery not included.