Can the motor be replaced or upgraded?

Thank you for the inquiry. Yes, the motor can be replaced or upgraded to brushless but you need a brushless ESC. We suggest using the factory version motor.

Whats the biggest wheel size i can go up to with the 903a model?

I wouldn’t go much taller because it puts more drag on the motor and makes it hot

Is it possible to get a replacement motor or upgrade it to a different one?

Thank you for the question. Yes, the replacement motor should be a brushed 390 motor or brushless motor which is not larger than the original motor.

What's the battery size compartment? Or what are the dimensions of the batteries that come with 903a?

The battery size is 2S, 1600 mAh 30C 7.4 volts. Battery dimensions are about 1-1/4" x 2-3/4", or about 34 mm x 70 mm, and the compartment is about 1-1/2" x 2-3/4", or 38 mm x 70 mm, with a lot of over-head space (where the cab lines up).

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HAIBOXING 1/12 Scale Brushless RC Cars 903A, 4X4 Off-Road RC Monster Truck Fast Remote Control Car of 55KM/H Top Speed, Hobby Grade RTR RC Vehicles All Terrain RC Cars for Adults, Boys

Product ID: 488369496

⚡55 KM/H top speed

📡330+ ft 2.4GHz control range

🛠️Metal gear pinions & drive shafts

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2324829Fr

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Sold byAmazon CongoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Dominate Every Terrain with Speed and Style!

EXTENDED PLAYTIME - Dual 7.4V 1600mAh Li-Po batteries deliver up to 30 minutes of non-stop outdoor action.
PRO LEVEL CONTROL - 2.4GHz radio system with 330+ ft range means zero interference and total command.
ALL TERRAIN MASTERY - High-grip V-tread tires with sponge inserts conquer mud, gravel, and rocky trails effortlessly.
BLAZING 55 KM H SPEED - Feel the adrenaline rush with a brushless 3800KV motor powering your off-road conquest.
ROCK SOLID DURABILITY - Reinforced metal parts and thickened PVC body ensure your truck survives every epic crash.

The HAIBOXING 1/12 Scale Brushless RC Monster Truck 903A is a high-performance, hobby-grade 4WD off-road vehicle featuring a powerful 2847 brushless 3800KV motor that reaches speeds up to 55 KM/H. Built with durable metal gears, aluminum shocks, and a balanced chassis, it offers smooth acceleration and superior handling. Controlled via a 2.4GHz radio system with over 330 feet range, it includes splash-proof electronics and high-traction tires for rugged outdoor terrain. Comes ready-to-run with dual rechargeable Li-Po batteries for up to 30 minutes of thrilling play.

Specifications

ASIN	B0BF5MDK8J
Additional Features	Portable, Rechargeable
Age Range Description	Over 8 years old
Are Batteries Required	Yes
Batteries are Included	Yes
Battery Description	Lithium-Ion Polymer
Best Sellers Rank	#91,684 in Toys ( See Top 100 in Toys ) #141 in Remote- & App-Controlled Trucks
Brand Name	HAIBOXING
Color	903a
Customer Package Type	Standard Packaging
Customer Reviews	4.5 4.5 out of 5 stars (804)
Included Components	Battery, Body clips, Charger, Product Manual, Remote
Indoor Outdoor Usage	Outdoor
Is Assembly Required	No
Item Dimensions	37.8 x 27.9 x 15.5 centimeters
Item Type Name	Brushless Fast RC Trucks
Item Weight	4.5 Pounds
Manufacturer	HAIBOXING
Manufacturer Maximum Age (MONTHS)	1188
Manufacturer Minimum Age (MONTHS)	96
Manufacturer Part Number	903A
Material Type	Plastic Metal Aluminum
Maximum Speed	55 Kilometers per Hour
Model Name	1/12TH Scale Brushless RC Monster Truck
Model Number	903A
Model Year	2022
Number of Batteries	1 Lithium Ion batteries required. (included)
Number of Items	1
Number of Players	1
Operation Mode	Remote Control
Power Source	Battery Powered
Scale	1:12 Scale
Size	14.9 inches x 11 inches x 6.1 inches
Subject Character	Monster
Theme	off-road, truck
Toy Vehicle Form	Truck
Unit Count	1.0 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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2324829Fr

Duties & taxes included

In stock

Sold byAmazon CongoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Congo.

Secure transaction

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