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Product #: 010-0164-00

Send it with Sidewinder!

While the all new SIDEWINDER 4™ builds upon Castle’s most popular platform, the SIDEWINDER 1:10 SCALE SERIES, it is the first of its kind to run Castle’s newest technology, CRYO-DRIVE™. CRYO-DRIVE™ combines technology from cutting-edge hardware and software advancements to increase thermal performance. COOLER TEMPS mean LONGER RUNS and MORE POWER in your SIDEWINDER 4 setup.

Additional Features:

  • 2s - 3s LiPo; 6 - 8 cell NiMH use in vehicles up 6.5lbs with battery, ready-to-run.
  • Sensorless brushless and/or brushed motor operation.
  • Waterproof design ESC and splash resistant 30MM fan*
  • 5.0 volts fixed, 2 amps Peak BEC
  • Audible alerts for error conditions
  • Enhanced drag brake functionality
  • Smoother sensorless startups
  • Convenient transmitter programming for six common adjustable settings
  • Additional settings and software updates available via Windows®-based Castle Link software and USB adapter (sold separately) or via Field Link Card  (sold separately) or via the Castle Link App and a B-LINK Bluetooth Adapter (sold separately).
  • Telemetry Link  compatible for Futaba® S.BUS2 (sold separately)

 The SIDEWINDER 4 is a versatile ESC and is accepted in a wide variety of applications.  Whether throwing dirt, ripping through a corner or steadily dominating the trails, we’ve got you covered! 

The Sidewinder 4 is available as:

  • ESC only for rock crawling applications with brushed** motor down to 19 turn.
  • ESC only for use with your existing Castle 1406, 1410 or 1415 4-Pole brushless motor
  • ESC and motor combo packages, bundled with our 1406, 1410 and 1415 4-Pole brushless motors









(3.2mm or 5mm shaft)


2S-3S on 2WD buggies, stadium trucks and touring cars; 2S on 2WD SCTs

2S only on lightweight vehicles; 2WD buggies, stadium trucks and touring cars

2S-3S on 2WD/4WD short course trucks and monster trucks; 3S with conservative gearing

4x4 Monster Trucks and SCTs on 3S

PROUDLY DESIGNED AND MANUFACTURED IN OLATHE, KANSAS, the NEW SIDEWINDER 4 is backed by Castle Creations’ 1-year warranty and unparalleled ‘make-it-right’ customer support.

*Not intended for operation while submerged in liquid. If unit is operated in wet conditions, rinse with fresh water to remove dirt or corrosives, then fully dry unit.

**Brushed motors are recommended for rock crawlers (vehicles traveling 3-5mph.) Brushless motors are fine for use with rock racing. If your vehicle is going to be in a bound up situation, very slowly traversing rocks and obstacles, you are running a rock crawler. If you are constantly traveling at 5mph or higher, you have a rock racer.
(Based on 11 vote(s))
5 review(s) | Write a review
  • USD $84.95 /EA
  • List Price: USD $103.95 /EA
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Code Availability Quantity
010-0164-00 Temporarily out of stock. EA
Technical Specs
Input Voltage Range: 2s - 3s LiPo; 6 - 8 cell NiMH
BEC Specifications: 5.0 volts fixed, 2 amps.
Operating Environment: Waterproof* design allows for use in nearly any environment
Brake: Proportional
Reversible: Yes, but may be disabled for racing.
On/Off Switch: Yes
Cooling Fan: 30mm fan included
ESC Size: L: 2.08" (52.92mm)
W: 1.50" (38.05mm)
H: 1.28" (32.56mm)
ESC Weight (w/wires): 2.26 oz. (64 g)
Connectors: 4mm female bullets for motor connection.
Items Needed for Operation: Brushless or Brushed motor, Battery Connector required; Castle 4mm polarized connectors, Dean's Ultra Plug, or Traxxas Power Connector recommended.
Product Use Statements: *Although Sidewinder 4 is waterproof, it is not intended for operation while completely submerged in liquid. They can corrode when exposed to corrosive materials, such as salt water. Always rinse the ESC with clean water after exposure to corrosives or dirt. While the controller may be waterproof, we suggest users confirm that the rest of their vehicle, including the batteries, servos, radio and chassis are also waterproof before exposing them to liquids of any kind.
Application Guidelines: The Sidewinder 4 is a versatile ESC that can be used in a wide variety of applications. it can be paired with any of our 14xx series 4-pole brushless motors; it can also be used in a rock crawling application with a brushed motor down to a 19 turn.
Please refer to our Gearing Chart for recommended motor, battery and gearing for some of the more popular vehicles on the market.
Max. Recommended Vehicle Weight: No more than 6.5lbs with battery, ready-to-run.
Programmability: Fully programmable Castle feature set using Castle Link USB adapter(sold separately) and freely downloadable Castle Link Windows software, or the Castle Link App and a B-LINK Bluetooth Adapter (sold separately).
Telemetry Link Capable: Yes
Tech Notes: Not all LiPos are created equal, and surge ratings should never be used to determine a pack’s suitability for a brushless application. Use the CONTINUOUS C rating only. Brushless setups frequently hit 100+ amps in peaks. We strongly suggest using 5,000 mAh or larger LiPo cells with a discharge rating of at least 30C (or high quality 25C batteries such as Traxxas® Power Cells®). Our experience suggests using only mild gear ratios with NiMH cells. Do not attempt to use NiMH cells in extreme setups.

Driver's Ed Guide
Quick Start Guide

For support, frequently asked questions, technical documents, and more, visit our support site.

Castle Creations, Inc. warrants this product to be free from manufacturing defects for a period of one year from date of purchase.

This is a high power product with the potential to be very dangerous. Please read the safety information before use. This product may contain chemicals known to the State of California to cause cancer and or birth defects or other reproductive harm.

U.S. Patent # 7400103, 7492122, 7579796, 7740516, 8287328, 8678875, and 8905814 B2 - Other patents pending.

Controller designed and circuit boards manufactured, in Olathe, Kansas USA.
Controller assembled in Olathe, Kansas USA.

Castle Link Compatible
With the optional Castle Link USB Programming Kit you can use your Windows™ PC to easily program your controller. Adjustable settings include:

  • Throttle curve
  • Braking curve
  • Drag brake
  • Auto LiPo cutoff
  • Punch Control
  • Reverse Type
  • Motor Type

Additional Castle Link benefits include:

  • Access to all firmware updates, including added features sets released from Castle Engineering, at no charge.
  • Intuitive Demo Mode capability.
  • Ability to save setup profiles for later use.

Average rating:
(Based on 11 vote(s))
Rate this product:
Elijah From United States New York
0 regrets!
July 14, 2023
Currently running a SW4 w/ a 1406 on a rustler 4x4 on 2s, couldn't be more amazed by the smooth power delivery and cool temps. Perfect for most 1/10 scale surface applications going from brushed to brushless!
1 of 1 people found this review helpful
Was this review helpful to you? (1) (0)
Mark Stopczynski From Nixa mo.
Good performance great price point
July 14, 2023
Awesome esc plenty of power and drag break never had an issue with it. Only gave 4 stars because I think on off switches are outdated and unnecessary.
1 of 1 people found this review helpful
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William Berry From United States Kentucky
October 27, 2019
Took my Rustler to a whole new level. Combined with the 1406 motor I went from last place to First. No cogging on takeoff that i can notice. Nice job Castle
4 of 4 people found this review helpful
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Justin From Georgia
Excellent so far
February 9, 2019
Using this in two scale crawlers with Tenshock 906 motors, 1250kv and 2400kv. So far this is an excellent combination, coughing is basically non-existent and the low end resolution is fantastic. No complaints.
4 of 4 people found this review helpful
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Jesse From Detroit, MI
Good power, disappointing BEC
September 23, 2018
I got 1 to put into my 2wd slash, paired with a 3800kv castle motor, the esc and motor work great together. The disappointment came in when I realized the fixed 5V BEC my servo and radio require at least 6v so my steering was sluggish and had to add on an external BEC to get the 6V to my servo. Unlike the SCT sidewinder it was replacing.
8 of 9 people found this review helpful
Was this review helpful to you? (8) (1)

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