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ARRMA RC Truck 1/10 Big Rock 4X4 223S BLX BRUSHLESS Street Truck RTR (Batteries and Charger Not Included) with DSC, (Black), ARA4312V4T1

Based on 137 reviews
Condition: New
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$369.99
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Availability: Only 5 left in stock, order soon!
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Arrives Saturday, Nov 7
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At a glance

Condition
New
Color
Black
Model
ARA4312V4T1
Dimensions
22.7 x 10.3 x 16 in
Weight
3.55 kg
Material
Plastic
Age Range Description
Ages 14+
In the box
(1) BIG ROCK 223S BLX 4X4 1/10 Scale Crew Cab Monster Truck RTR(1) Spektrum S662 Metal-Geared 25T Waterproof Digital Servo(1) Spektrum SLT 80A 2-in-1 Waterproof ESC & Receiver 2S/3S with DSC(1) Spektrum 3100Kv Brushless Motor(1) Spektrum SLT3 2.4GHz TransmitterBatteryProduct Manual

Features 5

  • 2S and 3S ready, for brushless beginner to pro-level speeds
  • Spektrum DSC (Dynamic Stability Control) and throttle limiting keep you in control
  • Heavy-duty transmission and all-terrain suspension
  • Detailed truck body with clipless body retention system

Description

The 1/10 scale, ready-to-run BIG ROCK 223S BLX 4X4 has everything you’re looking for in your first brushless monster truck. Its scale crew cab body offers impressive street style. Legendary ARRMA durability and all-road dBoots RAGNAROK tires expand your bashing territory to include dirt tracks, trails, and even muddy courses. It’s an exceptional value, too - as you gain experience, you can easily increase the speed potential to over 50 mph without buying upgrades or changing vehicles. ARRMA developed the 223S series especially for brushless bashing newcomers who want to grow from 2S to 3S power without needing expensive option parts or buying a whole new basher. On a 2S LiPo, the BIG ROCK 223S BLX 4X4 reaches 35+ mph top speeds. That speed matches or even beats the best that other manufacturers’ 2S bashers can do. Whenever you’re ready, switch to a 3S battery. Now you can unleash this monster truck’s full 50+ mph potential! You control how fast your BIG ROCK 223S BLX 4X4 can go based on your battery choice and where you set the Spektrum SLT3 transmitter’s throttle limiting switch. Throttle limiting automatically restricts top speed to a level you prefer until you’re ready for it all. With the switch set to 50% or 75%, you’ll never worry about going faster than you can safely control. You’ll make the transition from 2S to 3S speeds with absolute confidence. The Dynamic Stability Control (DSC) built into the monster truck’s Spektrum electronics offers another big advantage, and not just for brushless newcomers. With four selectable modes, DSC can automatically correct steering input as needed to improve your control and confidence on any surface. Just turn off the DSC whenever you want to rely only on the skills you’ve learned. Factory assembled and installed, the heavy-duty, metal gear differentials send power from the Spektrum 3100Kv brushless motor to all four wheels for bashing on dirt, gravel, or short grass. The entire power system is well-protected and the all-terrain independent suspension and oil-filled shocks soak up bumps. Set up ramps or build some dirt mounds and launch your truck into the air! Extended height side guards on the strong composite chassis combine with the close-fitting body to keep dirt and debris out of the chassis tub. When maintenance is needed, the hidden clipless body retention system allows quick, easy chassis access. The ARRMA BIG ROCK 223S BLX 4X4 comes complete with installed, high-quality Spektrum electronics, including an 80A waterproof ESC/receiver and metal geared S662 waterproof servo. It’s the perfect mix of affordability, scale realism, and 2S to 3S speed potential. Just add your choice of battery and charger and take your truck bashing to the next level. In The Box Needed to Complete ARRMA BIG ROCK 223S BLX 4X4 Monster Truck RTR Features Dynamic Stability Control (DSC) built into the Spektrum electronics gives newcomers another edge while learning how to control high-speed brushless power. With four selectable modes, DSC will automatically apply steering corrections to improve your control, confidence, and safety, no matter what surface you’re driving on. As you gain experience, just turn off the DSC and use the skills you’ve learned. The high-quality Spektrum SLT3 3-channel transmitter has features designed to help all drivers succeed. Throttle Limiting is just one example. Whether you’re using 2S or 3S power, Throttle Limiting enables you to learn control skills safely by limiting the truck’s maximum available speed to 50% or 75% until you’re ready for it all. Four AA batteries are included. Bash without worry, even in wet conditions. Both the Spektrum SLT 80A 2-in-1 brushless 2S/3S ESC and receiver unit and the Spektrum S662 metal-geared digital steering servo are waterproof. (For details on waterproof standards, refer to the BIG ROCK 223S BLX 4X4 instruction manual.) Factory assembled and installed, the heavy-duty, metal gear differentials send power from the Spektrum 3100Kv brushless motor to all four wheels for blasting through challenging terrain. The entire power system is well-protected for dependable performance on all terrain. The all-terrain independent suspension and oil-filled, coilover shocks soak up bumps. If your bashing takes you over uneven surfaces, you can adjust the ride height to increase ground clearance. The epitome of rugged truck style, the BIG ROCK 223S BLX 4X4 monster truck body is securely held in place by a hidden, clipless body retention system that’s easy to use and preserves the scale looks. Details such as folding wing mirrors add to the exciting realism. The body is available in three factory-finished color scheme options.

Specs 28

Brand Name ARRMA
Age Range Description Ages 14+
Model Name 1/10 BIG ROCK 4X4 223S BLX BRUSHLESS STREET TRUCK RTR WITH DSC, (Black)
Number of Items 1
Model Number ARA4312V4T1
Model Year 2025
Unit Count 1 Count
Number of Packs 1

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Nov 7

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


Big Rock 223s 4x4
Color: Green
If you want a tough, good looking, compact, fast truck. The Big Rick 223s is the rc truck for you. The truck is good for beginners and experts alike. Its (RTR) Ready To Run. Just need to get a battery and charger. The price is not too much... lot if bang for your buck here. Comes in a BLACK, GREEN and BLUE. This can do 50+ mph with the speed gearing installed. This truck is great on and off road. If you like jumping and doing tricks thats anothe reason to get this. It has waterproof electronics. Parts are easy to come by. You can't go wrong with this one. You'll agree. ... show more
Reviewed in the United States on August 31, 2026 by Shawn Foster

They need to do a better job with the assembly.
Color: Blue
I've had several RC cars. This is the fourth one I've owned. I have two HyperGos, and I also have the Terminator Carbon Version, which cost me $212. It's been a very good RC car. I've used it for a long time and have never had any problems or experienced any kind of breakage. The other one I recently bought was the Arrma Big Rock. I bought it thinking it would have better quality, be a little more fun to drive, and be more reliable overall. But I think I was wrong. I was running it for about two hours right out of the box. I didn't crash it or hit anything, and I was only driving it on grass at a park. While I was driving it, the front tire simply came off by itself. I honestly can't believe this happened after only two hours of use on an RC car that was completely brand new, straight out of the box. $370 plus tax cost me like $400 for this 2 hours of used and this you seems in picture ... show more
Reviewed in the United States on August 17, 2026 by melbi

This is the RC Truck you've been looking for
Color: Black
My 5 year old son and I absolutely love this truck . We've tried many other brands on Amazon and none of them seem to stand the test of time. they always died fairly quickly. But this one takes a beating and keeps on going. No cheap parts on this beast and it's super fast. If my son didn't have so much experience with all the other previous RC trucks...there's no way he would have been able to handle this one. If you're looking for an awesomely fun RC Truck? Look no further because you just found it. ... show more
Reviewed in the United States on February 4, 2026 by Dean Michael

Great rc truck, does great in grass
Color: Green
Absolutely love this truck, got for my 6 or old B-day, he loves it, but it is advanced for him. Be ready to learn to replace A arms, but this thing is so fun, so fast, and very durable relatively speaking. Doesn't come with battery or charger, but at $320, it is shockingly fast
Reviewed in the United States on September 23, 2025 by Sandra A.

My new favorite truck
Color: Green
It's very stable, has great mobility, and I love its size. It's super fast, reaching 50 mph right out of the box. I also really appreciate the design; it feels very sturdy. I did encounter a defective component, which appeared easy to replace. However, Hobby Horizon considered the issue normal wear and tear rather than a defect, even though this type of problem typically only occurs after a crash, which didn't happen in my case. Specifically, the screw head sheared off the screw. I believe that might have been a quality problem that they should have handled more effectively. Fortunately, Amazon offered a satisfactory solution and had the necessary component readily available. Although the part itself only cost $3.99, Hobby Horizon declined to honor either their standard warranty or their warranty covering defects present upon unboxing the item. Great product, bad customer service ... show more
Reviewed in the United States on August 27, 2026 by lionel pacombe

Must buy
Color: Blue
Bad to the bone little truck to play with super fast and super fun
Reviewed in the United States on June 24, 2026 by Amazon Customer

BIG ROCK??? MORE LIKE BIG PIECE OF GARBAGE!!!
Color: Black
Its pretty cool looking truck. Ive had it af few days now and i still havent been able to use it, which isnt cool considering its a ready to run vehicle. First thing i noticed out of the box is the shocks seem low on oil. I went ahead and ordered some oil, i know right so much for ready to run, get the oil today and filled the fronts first and yes they were not even half full, started on the rear and got one filled went to the next and the last shock was missing the oring and was leaking. So at the moment im at a stand still. Spent over $400 and cant even play with the thing due to poor quality control. Update- Then i decided, you know, i was gonna end up upgrading the shocks anyways. Went ahead bought some $100 shocks and a $45 skid plate. Update- i got all the parts and installed them and Finally got the thing ready to run after more than a week and I took it out to the back yard , not even 5 minutes of zipping around, not even full speed, the bullet cables that connect to the motor melted. It has been problem after problem. Ill get my money back Im in the process of returning it, but i wont get the time i wasted back, Don't waste your money on this headache. Believe me, I wanted this thing so bad and it ended up being a big piece of garbage… Don't say i didnt tell you ... show more
Reviewed in the United States on August 24, 2026 by Anthony

Motor issues
Color: Blue
Gets too hot too fast guys I love this car very well built i didnt have any other issues what when I opened it up was blown away by everything till I drove it for 20 min and I felt the motor and I was scared to put a 3s batt in it that's all I noticed
Reviewed in the United States on March 14, 2026 by Joe Livsey
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