1. Introduction
Welcome to the instruction manual for your TAMIYA 56335 1/14 Mercedes-Benz Actros 1851 Radio Control Truck kit. This document provides essential information for the assembly, setup, operation, and maintenance of your model. Please read these instructions carefully before beginning assembly or operation to ensure safe and correct use of the product.
This product is a highly detailed 1/14 scale model kit of the Mercedes-Benz Actros 1851. It requires assembly, painting, and the separate purchase of radio control equipment, batteries, and a charger to become a fully functional radio-controlled truck.

Image 1.1: The TAMIYA 56335 1/14 Mercedes-Benz Actros 1851 RC Truck, a detailed model kit requiring assembly.
2. Safety Information
Your safety and the safety of others are paramount. Please observe the following safety guidelines:
- Minimum Age: This product is recommended for individuals 14 years of age and older. Adult supervision is advised for younger users.
- Assembly: Exercise caution during assembly. Small parts may pose a choking hazard. Keep out of reach of small children. Use appropriate tools safely.
- Battery Handling: Always follow the battery manufacturer's instructions for charging, discharging, and storage. Use only compatible chargers and batteries. Incorrect handling can lead to fire, injury, or property damage.
- Operation Area: Operate the RC truck in a safe, open area away from people, pets, vehicles, and obstacles. Avoid public roads.
- Water and Moisture: This model is not waterproof unless specifically modified. Avoid operating in wet conditions to prevent damage to electronic components.
- Maintenance: Regularly inspect the model for loose parts, damage, or wear. Perform maintenance as described in this manual to ensure safe operation.
3. Package Contents
The TAMIYA 56335 kit typically includes the following components:
- Unassembled truck chassis parts
- Unassembled body parts (Mercedes-Benz Actros 1851 cab)
- Electric motor
- Decal sheet
- Detailed assembly instruction manual (paper version)
- Various screws, nuts, and small hardware
Items NOT included and required for operation:
- 2-channel or 4-channel radio control system (transmitter and receiver)
- Steering servo
- Electronic Speed Controller (ESC)
- 7.2V racing pack battery and compatible charger
- AA batteries for transmitter
- Tools for assembly (e.g., screwdrivers, hobby knife, pliers)
- Model paint and adhesive
4. Assembly Instructions
Assembling your TAMIYA 56335 kit is a rewarding process. Follow the detailed, step-by-step instructions provided in the physical manual included with your kit. The following is a general overview:
- Unpack and Organize: Carefully unpack all components. Familiarize yourself with the parts and the assembly manual.
- Chassis Assembly: Begin by assembling the ladder frame chassis, including the suspension, axles, and gearbox.
- Motor Installation: Install the electric motor into the gearbox assembly as directed.
- Cab Assembly: Assemble the cab components, including the interior details, windows, and mirrors.
- Painting and Decals: Paint the body parts according to your desired scheme. Apply the included decals for realistic detailing.
- Final Assembly: Mount the completed cab onto the chassis. Install wheels and tires.
Important: Refer to the specific diagrams and instructions in your kit's manual for precise steps and part identification. Use appropriate tools and adhesives as recommended.

Image 4.1: An assembled TAMIYA 56335 model, showcasing the detail achievable by following the assembly instructions.
5. Setup
Once the truck is fully assembled, you will need to install and configure the radio control equipment:
- Install RC Components: Mount the receiver, steering servo, and Electronic Speed Controller (ESC) in their designated locations on the chassis. Secure them using double-sided tape or screws as appropriate.
- Connect Wiring: Connect the servo and ESC to the receiver according to the instructions provided with your RC system. Ensure correct polarity for all connections.
- Battery Installation: Insert the fully charged 7.2V racing pack battery into the battery compartment. Secure it to prevent movement during operation.
- Transmitter Setup: Install AA batteries into your transmitter. Turn on the transmitter.
- Binding: Follow your RC system's instructions to bind the receiver to the transmitter.
- Initial Checks: Before driving, perform a range check and verify that the steering and throttle respond correctly to transmitter inputs. Adjust servo trim and endpoints if necessary.
6. Operating Instructions
Operating your TAMIYA RC truck is straightforward once setup is complete:
- Power On Sequence: Always turn on your transmitter first, then turn on the RC truck's power switch.
- Basic Controls:
- Steering: Use the steering wheel/stick on your transmitter to turn the front wheels left or right.
- Throttle: Use the throttle trigger/stick to control forward, brake, and reverse movement.
- Driving Tips:
- Start slowly to get a feel for the controls.
- Avoid sudden turns at high speeds to prevent rollovers.
- Practice in an open area before attempting more complex maneuvers.
- Power Off Sequence: Always turn off the RC truck's power switch first, then turn off your transmitter. This prevents accidental runaway.
7. Maintenance
Regular maintenance will extend the life and performance of your TAMIYA RC truck:
- Cleaning: After each use, clean the truck to remove dirt, dust, and debris. Use a soft brush or compressed air. Avoid using water directly on electronic components.
- Inspection: Regularly check all screws, nuts, and bolts for tightness. Tighten any loose fasteners. Inspect gears, bearings, and moving parts for wear or damage.
- Lubrication: Apply appropriate grease or oil to moving parts as specified in the original assembly manual.
- Battery Care: Store batteries in a cool, dry place. Do not leave batteries fully charged or fully discharged for extended periods. Follow manufacturer guidelines for battery storage.
- Tire Inspection: Check tires for wear and damage. Ensure they are securely mounted on the wheels.

Image 7.1: A detailed view of the truck's side, highlighting areas that may require regular cleaning and inspection.
8. Troubleshooting
If you encounter issues with your TAMIYA RC truck, consult the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Truck does not power on | Battery discharged; loose connection; power switch off | Charge battery; check all wiring; ensure power switch is ON |
| No response from controls | Transmitter off; receiver not bound; faulty RC equipment | Turn on transmitter; re-bind receiver; check RC equipment connections |
| Motor runs, but wheels do not turn | Stripped gears; loose driveshaft; clutch issue | Inspect gears and driveshaft for damage or looseness. Refer to assembly manual for repair. |
| Erratic steering or throttle | Interference; loose servo horn; faulty servo/ESC | Change operating location; check servo horn; test/replace servo/ESC |
If the problem persists after attempting these solutions, consult the original TAMIYA assembly manual or contact TAMIYA customer support.
9. Specifications
Key specifications for the TAMIYA 56335 1/14 Mercedes-Benz Actros 1851 RC Truck kit:
- Model Number: 56335
- Scale: 1/14
- Product Dimensions (assembled, approximate): 7.68 x 18.03 x 12.01 inches (19.5 x 45.8 x 30.5 cm)
- Item Weight (kit only, approximate): 11 pounds (5 kg)
- Manufacturer: Tamiya
- Recommended Age: 14 years and up
- Type: Radio Control Truck Model Kit

Image 9.1: Detail of the Mercedes-Benz Actros 1851 branding on the model, confirming the specific truck replicated.
10. Warranty and Support
TAMIYA products are manufactured to high standards. For specific warranty information, please refer to the documentation included with your product or visit the official TAMIYA website. Warranty terms typically cover manufacturing defects.
For technical support, spare parts, or further assistance, please contact TAMIYA customer service directly. Contact details can usually be found on the TAMIYA official website or in the original product packaging.
When contacting support, please have your model number (56335) and purchase information readily available.







