Castle Creations Mamba X Sensored 25.2V WP ESC and 1406 3800KV Sensored Crawler Combo

Castle CreationsSKU: CC-A155-11

Sale price$244.95

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At Castle, we set out to encompass three core principles in the design of a new ESC tailored to the modern RC enthusiast: FLEXIBILITY, DEPENDABILITY, and PERFORMANCE. These principles serve as the bedrock of the Mamba X design and act as the driving forces behind this feature-rich controller.

The Mamba X offers exceptional adaptability, capable of energizing an extensive array of applications, spanning from 2S to 6S, and accommodating vehicles ranging from 1/10th scale to 1/8th scale*. Whether you're engaged in track racing with your 2wd buggy, navigating through mud puddles with your SCT or monster truck, or tackling an intense crawling adventure, this controller sets a new benchmark. Combine it with a Castle 4-POLE 12-SLOT SENSORED MOTOR for precise throttle management and silky-smooth launches!

ESCs encounter a challenging existence - enduring high-impact landings, unforeseen collisions, and occasional encounters with water. As RC enthusiasts themselves, Castle's engineers comprehend these challenges and have meticulously designed the Mamba X to not only withstand such scenarios but to thrive in them. It is encased in a robust CNC-machined aluminum housing and sealed with waterproof epoxy. This dual-layer protection not only safeguards the electronic components but also ensures efficient dissipation of any generated heat within the controller.

The Mamba X incorporates a robust 8A adjustable BEC into a high-performance speed controller capable of propelling the most extreme 1/10th scale setups and 1/8th race buggies. Smart-Sense™ technology empowers you to take advantage of smooth, cog-free, and predictable sensored starts, while improved throttle response keeps you ahead of the competition.

The Mamba X is proudly conceived and crafted in Olathe, Kansas, and is backed by Castle Creations’ 1-year warranty and unparalleled 'make-it-right' customer support. Reach out to us via phone, email, or visit our storefront – we're here to assist you.


  • Wide input voltage range (2s-6s) to accommodate a diverse array of applications
  • Sensored, Sensorless, and SmartSense™ Running Modes
  • Compatible with both brushless and brushed motors
  • Powerful Integrated 8A Peak Adjustable BEC (5.25V-8.0V)
  • Capable of data logging to capture and record performance data from your vehicle
  • Auxiliary wire functionality for real-time adjustments using your transmitter
  • Compatibility with S.BUS2 Telemetry Link and Futaba T4PX and T7PX transmitters
  • Convenient transmitter programming for six common adjustable settings, including cutoff voltage and drag brake
  • Fine-tune ESC settings, update ESC firmware, and access data logs with the Castle Link USB programming kit (includes a coupon for the USB adapter, Castle Link software available here)
  • Optional smartphone-based programming, firmware updates, and data log viewing with the separately sold B-LINK™ Bluetooth Adapter and Castle Link software for iOS or Android (free download)
  • Rugged CNC aluminum housing and waterproof epoxy potting to safeguard electronics and facilitate efficient heat dissipation
  • Waterproof design, suitable for all weather conditions
  • Factory-equipped thermally controlled (and removable) 30mm cooling fan
  • Features 12 AWG high strand count silicone-coated copper power wires
  • Integrated Capacitors and 4mm Bullet Connectors enhance durability in extreme conditions
  • Audible Alerts and LED Alerts for easy diagnosis of common issues such as motor-over-temperature and low-voltage cutoff
  • ROAR and RECON 6 Certified ESC


  • Mamba X ESC with Sensor Harness and 1406-3800kv sensored motor
  • Coupon for a free Castle Link USB
  • Mamba Decals
  • Driver's Ed Guide/Quick Start Guide

Ideal for low speed crawling or trail running in vehicles weighing up to 9lbs
on 2s; it can also be used in more aggressive setups like rock racing and
extended hill climbing on vehicles up to 5lbs. It can also be used in 2WD
buggies, stadium trucks and 4WD touring cars; equivalent in RPM output
to approximately a 10.5 turn.


Technical Specs
Electronic Speed Control (ESC)
Input Voltage Range: MIN: 2S LiPo
MAX: 6S LiPo (25.2V) (3s max with included 3800kv motor)
BEC Specifications: Adjustable: 5.5V, 6.0V, 7.5V. or 8.0V (8A Peak), default 5.5V
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: Yes, factory equipped (30mm), fully removable** (see Product Use Statements below)
Size: Length: 2.14" (54.4mm)
Width: 1.39" (35.2mm)
Height: 1.18" (30.0mm)
Weight (with wires): 3.56 oz. (101g)
Connectors: 4.0mm female bullets for motor connection.
Items Needed for Operation: Battery Connector required, Castle 6.5mm Polarized ConnectorsCastle 4.0mm Polarized Connectors, Traxxas® Power Connectors, or Deans® Ultra Plugs are recommended.
Product Use Statements:

*Although Mamba X is waterproof, it is not intended for operation while completely submerged in liquid. T Always rinse the ESC and motor with clean water after exposure to corrosives or dirt. While the motor and 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.

**The cooling fan must be removed prior to driving in wet conditions. It is not waterproof.

Max. Recommended Vehicle Weight: Less than 9lbs, with batteries, ready-to-run with included 1406 - 3800kv motor in low speed crawlers; 5lbs maximum for more aggressive setups like rock racing and extended hill climbing
Programmability: Fully programmable Castle feature set using Castle Link USB adapter (coupon for free link included in package) and freely downloadable Castle Link Windows software.
Telemetry Link Capable: Yes
Tech Notes:
  1. Mamba X setups frequently hit 100+ amps in peaks and not all LiPos are created equal. Surge ratings should never be used to determine a pack's suitability for a brushless application. Recommended battery capacity for 1:8th scale vehicles is 5000mAh. We recommend using 30C continuous discharge or higher LiPo batteries (or high quality 25C batteries such as Traxxas® Power Cell).
  2. Our experience suggests using only mild gear ratios with NiMH cells. Do not attempt to use NiMH cells in extreme setups.
  3. Applying voltages higher than 25.2V will cause irreparable damage to ESC.
  4. We recommend a high-current connector designed for high-powered electric systems, rated for 70+ amps. Invest in connector sets made for high-powered electric systems such as our Castle 6.5mm Polarized ConnectorsCastle 4.0mm Polarized Connectors, Traxxas® Power Connectors, or Deans® Ultra Plugs.
Motor specs
Input Voltage Range: 2S-3S LiPo
Kv: 3800
Max. RPM: 100,000
Size: Length: 49.5mm
Diameter: 36mm
Weight (w/wires): 197 g / 6.9oz
Shaft Size: Length: 15mm
Diameter: 1/8" (3.17mm)
Mounting Hole Specifications: M3 @ 25mm
Cooling Fan: Optional - Coming Soon
Connectors: 4mm male Castle Bullet Connectors attached to replaceable 13 gauge wire; includes 210mm length sensored wire.
Application Guidelines: Ideal for 1:10 scale low speed rock crawlers/trail runners on 2S weighing less than 9lbs. Can also be used in more aggressive setups in lighter 1:10 scale touring cars, stadium trucks or buggies weighing up to 5lbs.
Max. Recommended Vehicle Weight: 9lbs when used for low speed/moderate driving style like rock crawling and trail running;
5lbs for more racing and aggressive driving styles.
Tech Notes:

Running modes: SMARTSENSE™, Sensored, Sensorless with Castle sensored capable ESCs.

Water Resistant Design: The sensor board is coated with silicone conformal coating to protect the sensors from moisture. The sensor connections are not water resistant; water can cause signal loss which could result in loss of sensored capabilities. Castle recommended applying dielectric grease to the outside of the sensor wire connections after installation of the wire. Routine maintenance is recommended after running in wet conditions. Please refer to this document for running and maintaining motors in wet environments.

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