BAD L's Hobby
Phone Number
Email Address
 News
 Specials
 Shows
 FAQ
  Shopping Cart
now in your cart 0 items
sub-total:$0.00
discounts:-$0.00
total:$0.00
Quick Find
 
Use keywords to find the product you are looking for.
Advanced Search
Categories
Bob's Basement Finds (1)
BAD Racing Products (2)
Die Cast
HO Scale Cars-> (737)
HO Scale Set Cars (9)
HO Scale Bodies-> (101)
HO Scale Parts-> (727)
HO Scale Trucks-> (17)
HO Scale Race Sets-> (11)
HO Scale Drag Strips (3)
HO Scale Track-> (61)
HO Scale Bulk Track-> (5)
HO Scale Accessories (2)
HO Scale Building Kits (1)
HO Scale Decals
HO Scale Collectibles (3)
1/43 Scale Cars-> (16)
1/43 Scale Parts-> (2)
1/43 Scale Race Sets
1/43 Scale Track
1/32 Scale Cars-> (3)
1/32 Scale Parts-> (14)
1/32 Scale Race Sets
1/32 Scale Kits
1/32 Scale Building Kits
1/32 Scale Track
1/25 Scale Kits (2)
Excel Tools
Model Kits->
Display Cases
Latest Arrivals (1)
Train Sets
Consignment Corner
Miscellaneous
Store Opening
Visit Our Retail Store
Current Store Hours
PERMANENTLY
CLOSED
THANK YOU
FOR YOUR
SUPPORT!!!
prorated shipping
  Product 7 of 14 of category RC Electronics  
Firma 3650 4000Kv 4-Pole Sensorless Brushless Motor: 5mm  [Item #SPMX-1096]
Firma 3650 4000Kv 4-Pole Sensorless Brushless Motor: 5mm
Click to enlarge
MSRP: $86.29
Our Price: $74.99
You Save: $11.30
1
Quantity:  
Usually ships within 1-3 business days.
Read Reviews Read reviews on this item!
Write Review Write a review on this item!
Tell a Friend Email a friend!
Notify Notify me of updates to
Firma 3650 4000Kv 4-Pole Sensorless Brushless Motor: 5mm

UPC Code: 660132991319

The Spektrum™ Firma™ 4000Kv Sensorless Brushless Motor is designed specifically for the ARRMA® FURY™ 223S BLX 1/10th Brushless SCT running a 2S-3S LiPo. It features a low-cog 4-pole rotor design, insulated high-purity copper windings, a high-quality alloy steel 5mm output shaft, and precision bearings for durability and smooth rotation. It is perfectly matched for the Spektrum SLT 45 Amp Brushless ESC/Receiver.

  • 2S-3S LiPo power capable
  • High-efficiency design
  • Low-cog 4-pole sintered rotor
  • Precision ball bearings and hardened steel 5mm output shaft

Product Specs

  • Connector Type4mm Bullet
  • Connector Wire Length50mm
  • Kv Rating4000
  • Motor Size3650
  • Motor TypeBrushless
  • Number of Poles4
  • Product Length1.97" (50 mm)
  • Product Weight300g
  • SensoredNo
  • Shaft Diameter0.19" (5 mm)
  • Shaft Length0.76" (19.25 mm)
  • Voltage7.4V - 11.1V

1/10 FURY 223S DSC 2WD RTR Brushless Short Course Truck

ARRMA - ARA3521

VISA Master Card American Express Discover Card e-check PayPal Site Map  |   Shipping & Returns  |   Terms & Conditions  |   Privacy Policy  |   About Us  |   Contact Us

Copyright © 2026 Bob Lusch. All Rights Reserved

Web Ecommerce