Toys / RC Models & Drones
User Manual for ARRMA BIG ROCK 223S BLX 1/10 Scale 4X4 Monster Truck
Quick guide for the ARRMA BIG ROCK 223S BLX 1/10 Scale 4X4 Monster Truck. Learn about setup, battery requirements, transmitter features, and maintenance.
Quick answers from the manual
Quick answer
- The ARRMA BIG ROCK 223S BLX is a 1/10 scale 4X4 monster truck that supports 2S and 3S LiPo batteries. It features Spektrum electronics with Dynamic Stability Control (DSC) and a clipless body retention system for easy access. p. 2, 3, 7
Key actions
- Adjusting speed p. 3, 5
- Accessing chassis p. 3, 6
First start
- Battery installation p. 7
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Problems and fixes
Steering control issues
Enable or adjust the Dynamic Stability Control (DSC) modes.
p. 3, 5Technical specifications
| Parameter | Value | Meaning | Pages |
|---|---|---|---|
| Length | 514mm | Total vehicle length | p. 8 |
| Weight | 3.55 kg | Total vehicle weight | p. 8 |
Where to find it in the PDF
- Features and Specifications p. 4, 8
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
The ARRMA BIG ROCK 223S BLX 4X4 is a 1/10 scale ready-to-run monster truck designed for brushless bashing. It is compatible with both 2S and 3S LiPo batteries, allowing users to progress from 35+ mph to 50+ mph speeds as their experience grows. The vehicle includes a Spektrum SLT3 transmitter with throttle limiting capabilities to help beginners control the truck safely.
Features and Electronics
The truck comes factory-assembled with high-quality Spektrum electronics:
- Spektrum SLT3 Transmitter: Features a throttle limiting switch (50% or 75%) to restrict top speed for safer learning.
- Dynamic Stability Control (DSC): Offers four selectable modes to automatically correct steering input and improve control on various surfaces.
- Power System: Equipped with an 80A waterproof ESC/receiver unit and a 3100Kv brushless motor.
- Servo: Includes a waterproof S662 metal-geared digital steering servo.
Setup and Requirements
To get the truck running, you will need to provide the following items:
- Battery: 1 x 2S or 1 x 3S Hardcase LiPo battery with IC5 connector.
- Charger: A compatible LiPo charger.
- Charging Bag: Recommended for safety.
- Transmitter Power: 4 AA batteries (included).
Ensure the battery is fully charged and the transmitter is set to the desired throttle limit before your first run.
Maintenance and Adjustments
The BIG ROCK 223S BLX is designed for easy maintenance:
- Clipless Body Retention: The body is held in place by a hidden system, allowing for quick and easy access to the chassis tub.
- Suspension: Features all-terrain independent suspension with oil-filled shocks. You can adjust the ride height to increase ground clearance for uneven surfaces.
- Side Guards: Extended side guards help keep dirt and debris out of the chassis.
Technical Specifications
The vehicle has the following dimensions and weight:
- Scale: 1/10
- Length: 514mm (20.24 in)
- Height: 201mm (7.91 in)
- Width: 356mm (14.02 in)
- Wheelbase: 327mm (12.87 in)
- Weight: 3.55 kg (7.82 lb)
Practical help
Common problems
Truck is not reaching full speed
Check the throttle limiting switch on the SLT3 transmitter; it may be set to 50% or 75%.
Difficulty controlling the truck at high speeds
Enable or adjust the Dynamic Stability Control (DSC) modes on the Spektrum electronics.
Before use
- Charge the LiPo battery using a compatible charger.
- Install 4 AA batteries in the transmitter.
- Ensure the body is securely attached via the clipless system.
- Verify the ESC and receiver are properly connected.
- Set the throttle limit switch on the transmitter to a comfortable level.
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Images and diagrams
- The manual provides visual references for the clipless body retention system, electronic components, and suspension setup.
Model compatibility
- Requires 2S or 3S Hardcase LiPo battery with IC5 connector.
- Compatible with Spektrum Smart G2 batteries.
Manual page author
David Miller
Documentation analyst