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

📡2.4 GHz control, 330ft range

🛠️Metal gear pinions & drive shafts

1877.68 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Unleash the Monster: Race Fast, Drive Hard, Own the Outdoors!

BLAZING 55 KM H SPEED - Feel the rush with a brushless 3800KV motor powering your off-road domination.
ROCK SOLID DURABILITY - Metal gears, aluminum shocks, and reinforced PVC body built to conquer any terrain.
READY FOR EXTENDED PLAY - Dual 7.4V 1600mAh Li-Po batteries with USB charging keep the adventure going for 30 minutes.
INTERFERENCE FREE CONTROL - 2.4 GHz radio system ensures smooth, long-range driving up to 330 feet without signal dropouts.
BALANCED PRECISION HANDLING - Center-line motor placement and 4WD traction deliver unmatched stability and control.

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. Equipped with durable metal gears, aluminum oil shocks, and a splash-proof 2.4 GHz radio system with a 330-foot control range, it offers smooth acceleration, superior traction, and precise handling. Designed for adults and kids 8+, it includes dual rechargeable Li-Po batteries for up to 30 minutes of continuous driving, making it the ultimate remote control truck for outdoor enthusiasts seeking speed, durability, and control.

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	#106,265 in Toys ( See Top 100 in Toys ) #152 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 (821)
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	2.04 kg
Manufacturer	HAIBOXING
Manufacturer Part Number	903A
Manufacturer recommended age	8 years and up
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 Packs	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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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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How is product pricing calculated?+

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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1877.68 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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