Skip to content

👋Sign In or Create an Account

Welcome back! Please sign in to access your account and manage your orders. If you're new to our website, you can easily create an account to enjoy personalized features and faster checkout.

Skip to product information
1 of 10

Hobby Fans Waterproof S3650 3900KV Brushless Motor 3.175mm Shaft with 60A Sensorless Brushless ESC Electric Speed Controller Com

Hobby Fans Waterproof S3650 3900KV Brushless Motor 3.175mm Shaft with 60A Sensorless Brushless ESC Electric Speed Controller Com

Hurry! Only left 10 in stock

SKU: WBTOYB0DK2SBNWG
Brand: Hobby Fans
Product Type: Activity Centers
Regular price $62.55 USD
Sale price $62.55 USD Regular price $89.36 USD
SAVE 30%
Shipping calculated at checkout.

Sold by Toytooth, an authorized reseller.

Sold by ToyTooth — Your trusted kids' toy store.

Returns accepted within 30 days  |  support@toytooth.com

✓ Verified
Shipping Information
  • Free Standard Shipping — United States only
  • Processing Time: 1–3 business days
  • Estimated Delivery: 3–5 business days after dispatch
  • Securely packed to ensure your purchase arrives in perfect condition
  • Tracking number sent via email once dispatched
  • Orders over $250 require signature upon delivery. Taxes calculated at checkout.
Returns & Refund

Returns accepted within 30 days of delivery.

Damaged or Defective Item

Free return shipping + replacement or full refund

Wrong Item Received

Free return shipping + replacement or full refund

Change of Mind

Return shipping at customer's expense · Item must be unused & in original packaging

All returns require a Return Authorization (RA) number before sending.

To initiate a return, contact us:

support@toytooth.com +1 281-456-3686
View Full Return & Refund Policy
Safety & Compliance
⚠️

California Proposition 65 Warning

Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

www.P65Warnings.ca.gov
🛒

General Product Safety Advisory

Always read the product label, instructions, and safety warnings before use. Do not use damaged or modified products. Store products in appropriate conditions as specified by the manufacturer.

Keep all products out of reach of children unless specifically designed for their use.

ℹ️

Product Authenticity & Notice

All products sold by ToyTooth are 100% authentic, sourced directly from trusted toy suppliers and brands. Product colors and dimensions may vary slightly from images due to screen calibration and manufacturing tolerances.

ToyTooth — Fun Toys for Every Kid, Delivered to Your Door.

  • Amazon
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Venmo
  • Visa

Guarantee safe and secure checkout

View full details
Description
Features:  ?High performance?High purity copper windings maximizes efficiency. ?High Torque?Precision engineered for maximum energy conversion. Precision balanced rotor, smoothness for best reliability and maximum RPM. ?Superior Material?CNC machined 6061 T6 billet aluminum heatsink can. ESC has enhanced throttle response, excellent acceleration, powerful interruptions and super smooth and accurate throttle linearity. Motor Specifications: Size: S3650 Watts: 900W Max voltage: 12V Max Amps: 69A KV(RPM/Volt): 3900KV Max RPM: 50000 Diameter: 36mm Length: 50mm Shaft length: 15mm Shaft diameter: 3.175mm Plug type: 4mm golden banana plug 60A ESC Specification: ESC Size: 51.8 38.9 34.5mm/2.03 1.53 1.35in ESC Constant Current: 60A ESC Burst Current: 180A Battery: 4-9 cell Ni-MH battery / 2-3S Li-po battery BEC: Yes Power Connector of ESC: T Male Plug Motor Connector of ESC: 4mm Banana Female Plug Package Including: 1 * S3650 3900KV Motor 1 * 60A ESC 1 * Cooling Fan

Frequently Asked Questions

  • Q: What are the specifications of the Hobby Fans Waterproof S3650 motor? A: The motor size is S3650 with a maximum voltage of twelve volts and a wattage of nine hundred watts.
  • Q: What is the KV rating of the Hobby Fans brushless motor? A: The KV rating is three thousand nine hundred KV, which indicates its RPM per volt.
  • Q: What are the dimensions of the ESC included in the product? A: The ESC measures fifty-one point eight by thirty-eight point nine by thirty-four point five millimeters.
  • Q: What type of battery is compatible with the ESC? A: The ESC is compatible with four to nine cell NiMH batteries or two to three cell LiPo batteries.
  • Q: How do I install the Hobby Fans brushless motor and ESC? A: Simply connect the motor to the ESC using the four millimeter banana female plug and secure it to the motor mount.
  • Q: Is the Hobby Fans motor suitable for beginners? A: Yes, the motor is user-friendly and designed for various skill levels, making it suitable for beginners.
  • Q: What maintenance is required for the brushless motor and ESC? A: Regularly check for dust accumulation and ensure all connections remain secure to maintain optimal performance.
  • Q: Can I use this motor in off-road vehicles? A: Yes, this motor is compatible with off-road vehicles as long as the specifications for KV ratings are met.
  • Q: How should I store the motor and ESC when not in use? A: Store the motor and ESC in a cool, dry place, away from direct sunlight and moisture to prevent damage.
  • Q: What is the difference between using a two cell LiPo and a three cell LiPo battery? A: Using a two cell LiPo allows for compatibility with motors having KV ratings under four thousand, while a three cell limits it to under three thousand.
  • Q: What should I do if the ESC LED keeps flashing after connection? A: If the LED flashes, rebinding the controller and receiver typically resolves the issue.
  • Q: Is the ESC equipped with a built-in BEC? A: Yes, the ESC includes a built-in BEC, ensuring reliable power supply for additional components.
  • Q: What is the burst current rating of the ESC? A: The ESC has a burst current rating of one hundred eighty amps, allowing for short-term high performance.
  • Q: Does the motor come with a cooling fan? A: Yes, the package includes a cooling fan to help maintain optimal temperature during operation.
  • Q: What materials is the heatsink made from? A: The heatsink is made from CNC machined six zero six one T six billet aluminum, providing excellent thermal management.
Home Shop
Wishlist
Log in
×