UDIRC SIERRA UD1203PRO 1/12 4WD Brushless RC Truck, 80KM/H High-Speed Off-Road Short Course Car with Gyro Stabilization (Battery & Charger Not Included)
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Changed your mind? No worries.
Unused products can be returned within 30 days of delivery.
(Please note: spare parts and used items aren’t eligible for return.)
👉 See how returns work: Refund Policy
We offer free accessory replacement within one year.
- 1 × 1/12 Scale RC Car (RTR)
- 1 × 2.4GHz Transmitter
- 1 × Decal Sheet
- 1 × Instruction Manual
- 1 × Spare Front & Rear Suspension Arm Set
- 1 × 2.0mm Hex Driver (H2.0)
- 1 × 1.5mm Hex Driver (H1.5)
- 1 × Cross Wheel Wrench
Note:
Battery is not included by default. A version with a 3S LiPo battery is available for purchase.
We usually ship orders within 1–3 business days.
Delivery typically takes 6–10 business days, depending on where you’re located.
👉 Details: Shipping Policy
For international orders, local taxes or customs fees may apply.
These charges are set by your local customs office and aren’t included in the product price.
Need to update your order?
You can cancel or change it before it ships. Once shipped, our return policy applies.
60A ESC for Explosive Speed & Instant Throttle Response
Paired with a high-speed brushless motor, the 60A electronic speed controller provides rapid acceleration and precise control. Experience instant throttle response and stable power delivery even at high speeds.
2845 Brushless Motor for High-Speed Performance
Powered by a 2845 4700KV brushless motor, the UD1203PRO delivers strong acceleration, high efficiency, and impressive top speeds. Designed for performance and durability, it provides smooth and reliable power for any off-road condition.
Durable Steel Gears for Long-Lasting Performance
Equipped with high-strength steel gears, the drivetrain is built to handle high torque and demanding driving conditions. It provides enhanced durability, reduced wear, and reliable power transmission even during aggressive driving.
Center Differential for Superior Stability
Unlike standard RC trucks, the center differential allows the front and rear wheels to rotate at different speeds. This results in better traction, improved control, and a more stable driving experience—especially during high-speed turns.
Built-in Gyro for Stable & Easy Control
The integrated gyro stabilization system helps keep the truck steady at high speeds. It automatically corrects direction, making it easier to control and reducing the chance of losing control—perfect for beginners.
✅ With Gyro
❌ Without Gyro
The quick-release upper deck design allows fast access to internal components without complicated disassembly. It makes maintenance, repairs, and upgrades easier and more efficient, so you can spend more time driving and less time fixing.
The front and rear differential covers feature a quick-release design, allowing fast access without complex disassembly. Easily inspect, maintain, or service the differentials in minutes.
This RC truck features an adjustable battery compartment (115 × 38 × 25 mm), providing compatibility with various battery sizes for improved flexibility and usability.
The front mudguards are made from durable TPU material and securely mounted with screws for a stable fit. Their flexible design helps deflect dirt, debris, and small stones, protecting key front components during high-speed off-road driving.
The rear mudguards feature a flexible TPU construction with secure screw mounting, providing reliable protection against dirt and debris. They help keep the drivetrain cleaner and improve durability during rough terrain driving.
This RC truck features a quick-release PC body shell with front and rear clips, allowing fast removal without tools for improved convenience and usability.
The Hall sensor transmitter provides contactless operation for ultra-smooth control and precise centering. It eliminates drift and delivers a more accurate and responsive driving experience.
The transmitter supports a removable AA battery tray or a 2S LiPo battery (up to 65 × 35 × 15 mm), allowing you to choose the most convenient power option.
3-Speed Switch for Adjustable Control
Easily switch between low, medium, and high speed modes to match your skill level. Perfect for beginners learning control and experienced drivers seeking full performance.
Light Control & Easy Pairing Button
Easily switch lighting modes and pair the transmitter with a dedicated button. Enjoy quick setup and customizable lighting for a more immersive driving experience.
Precise Throttle & Brake Control
The responsive throttle and brake controls provide smooth acceleration and precise stopping power, giving you better control in every driving situation.
Steering Trim Adjustment Knob
Easily fine-tune the steering center position to keep your truck driving straight. The trim adjustment knob allows precise correction for better control and accuracy.
Steering Dual Rate Adjustment Knob
Adjust the steering sensitivity to control how much the wheels turn. It helps improve stability at high speeds and allows more precise handling.
Adjustable Gyro Sensitivity Knob
Fine-tune the gyro sensitivity to match your driving style and terrain. Easily adjust stability for better control at both low and high speeds.
Simple Steering Direction Correction
Quickly adjust the steering direction to match your controls, making it easier for beginners to get started.
Seamless Forward & Reverse Control
Easily switch driving direction for smoother maneuvering, helping you navigate tight spaces and tricky situations with ease.
Ergonomic Steering Wheel for Precise Control
The responsive steering wheel provides smooth and accurate control, allowing you to navigate turns with precision and confidence.
The side window mesh adds a realistic off-road racing look, enhancing the scale appearance and overall design of the truck.
The built-in full-length roll cage enhances structural strength and helps protect the body during impacts. It also adds a realistic off-road racing look to the truck.
Designed with a highly detailed cockpit and driver figure, the truck delivers an authentic racing look that closely resembles real short course vehicles.
The side window mesh adds a realistic off-road racing look, enhancing the scale appearance and overall design of the truck.
The built-in full-length roll cage enhances structural strength and helps protect the body during impacts. It also adds a realistic off-road racing look to the truck.
Designed with a highly detailed cockpit and driver figure, the truck delivers an authentic racing look that closely resembles real short course vehicles.
MODEL SPECS
The UDIRC UD1203PRO is a high-speed 1/12 scale 4WD RC short course truck designed for off-road performance. With a powerful brushless motor, gyro stabilization, and durable construction, it’s perfect for anyone looking for a fast RC car that is easy to control and built to last. Whether you're racing on dirt, gravel, or grass, this RC truck delivers reliable performance and exciting speed.
UD1203PRO User GuideUD1203PRO
Scale Desert Truck
80KM/H
1/12
375MM
198MM
168mm
139MM
228mm
Center Differential
115 mm X 38 mm X 25 mm