Surpass Hobby 3660 Brushless Motor 3300kv Waterproof 80A 4 Poles sensorless Shaft

The Surpass Hobby 3660 Brushless Motor delivers an upgrade for RC hobbyists seeking power and durability in 1:10 scale vehicles. Built for both on-road and off-road setups, this 3300KV motor replaces standard 540 brushed or brushless units to provide strong acceleration and reliable runtime. Its 4-pole, 12-slot internal layout focuses on high-torque delivery, giving your vehicle responsive throttle control from a standstill.

Durability and heat management are central to its design. The motor is housed in a CNC-machined 6061-T6 billet aluminum heatsink can with secondary oxidation treatment, finished in black and white. Inside, it utilizes high-purity, temperature-resistant copper coils, ultra-thin silicon steel plates, high-current silicon wires, and sealed bearings engineered for low friction and low noise. The waterproof construction protects internal components, allowing you to run your RC car in wet environments without stalling power delivery.

Installation is straightforward thanks to pre-attached bullet connectors that eliminate the need for soldering. The standard 3.175mm shaft diameter ensures compatibility with standard 1:10 scale pinions, and the motor pairs easily with many sensorless brushless electronic speed controllers (ESCs).

As a sensorless 4-pole motor, it relies on your ESC to manage timing, which operates differently from dedicated sensored racing setups. Additionally, the package includes just the motor itself, so you will need to provide your own compatible speed controller and mounting hardware.

Verdict: This waterproof 3300KV motor is a solid, easy-to-install power upgrade for 1:10 scale RC bashers and touring car drivers. If you want high torque and durable aluminum construction without dealing with soldering irons, it is a practical choice.

• Motor Size: 3660
• KV Rating: 3300KV
• Poles and Slots: 4 poles, 12 slots
• Shaft Diameter: 3.175mm
• Housing Material: CNC machined 6061-T6 billet aluminum
• Current Capacity: 80A
• Waterproof: Yes
• Connectors: Bullet plugs

A great fit if you:

• Need a waterproof brushless upgrade for a 1:10 scale on-road, off-road, or touring car
• Prefer plug-and-play bullet connectors instead of soldering wires
• Want a durable aluminum heatsink motor for routine bashing and running

Consider something else if you:

• Require a sensored motor for competitive precision racing
• Drive larger scale vehicles that require a shaft thicker than 3.175mm

What RC vehicles will this motor fit?
It fits all standard 1:10 scale on-road, off-road, and touring cars designed for 540-size brushed or brushless motors.

Do I need to solder the wires to connect it?
No, it comes with bullet plugs for direct, solder-free connection to compatible brushless ESCs.

What size is the motor shaft?
The motor features a standard 3.175mm shaft diameter.