1. Product Overview
The JDMODEL JDM-190 is a heavy-duty wide tire designed for 1/14 scale RC tractor trucks. Constructed from durable rubber, these tires are engineered to provide superior traction and stability for your remote control vehicle. This manual provides essential information for the proper installation, use, and maintenance of your JDM-190 tires.

Figure 1: JDMODEL JDM-190 Heavy Duty Wide Tire
2. Specifications
The JDM-190 heavy-duty tires offer enhanced dimensions compared to regular Dakar tires, providing improved performance for RC tractor trucks.
| Feature | JDM-190 Heavy Duty Tire | Regular Dakar Tire (for comparison) |
|---|---|---|
| Brand | JDM | N/A |
| Model Number | JDM-190 | N/A |
| Scale Compatibility | 1/14 | 1/14 |
| Material | Rubber | Rubber |
| Color | Black | Black |
| Outer Diameter | 100mm | 100mm |
| Inner Diameter | 38.5mm | 44mm |
| Width | 45mm | 32mm |
| Quantity | 1 pcs (per unit purchased) | N/A |
| Recommended Age | 14+ years | N/A |
| Certification | CE | N/A |

Figure 2: Tire Dimension Comparison and Mounted View

Figure 3: JDM-190 Tire Detailed Dimensions
3. Setup and Installation
These tires are designed for 1/14 scale RC tractor trucks. Proper installation is crucial for optimal performance.
- Prepare Wheels: Ensure your RC truck's wheels are clean and free from debris. If using new wheels, inspect them for any manufacturing imperfections.
- Mounting Tires: Carefully stretch the tire over the wheel rim. For beadlock wheels, follow the manufacturer's instructions for securing the tire bead between the wheel halves. For glued tires, apply appropriate RC tire glue to the bead area of the tire and wheel, ensuring a secure and even bond.
- Balancing (Optional): For high-speed applications or smoother operation, consider balancing your tires after mounting. This can be done using specialized RC tire balancing tools or methods.
- Install on Truck: Attach the assembled wheel and tire units to your RC tractor truck's axles, ensuring all nuts and bolts are tightened securely according to your truck's manual.
4. Operating Guidelines
The JDM-190 heavy-duty wide tires are built for robust performance in various terrains.
- Enhanced Traction: The wide profile (45mm) and aggressive tread pattern are designed to provide superior grip on loose surfaces, dirt, and uneven terrain.
- Stability: The wider footprint contributes to increased stability for your RC tractor truck, especially when carrying loads or navigating challenging obstacles.
- Terrain Suitability: These tires are ideal for off-road RC trucking, construction site simulations, and other heavy-duty applications where standard tires might struggle.

Figure 4: JDM-190 Tire Tread Pattern
5. Maintenance
Regular maintenance will prolong the life and performance of your JDM-190 tires.
- Cleaning: After each use, especially in dirty or muddy conditions, clean the tires with a soft brush and mild soap and water. Rinse thoroughly and allow to air dry completely.
- Inspection: Periodically inspect the tires for signs of wear, cuts, cracks, or punctures. Check the tread depth and look for any deformation.
- Storage: Store tires in a cool, dry place away from direct sunlight and extreme temperatures. Avoid storing them under heavy objects that could deform their shape.
- Chemical Exposure: Avoid contact with petroleum-based solvents, oils, or harsh chemicals, as these can degrade the rubber material.
6. Troubleshooting
If you encounter issues with your JDM-190 tires, consider the following:
- Poor Grip:
- Check for excessive wear on the tread. Worn tires may need replacement.
- Ensure tires are clean and free from mud, dirt, or other contaminants that reduce traction.
- Verify that the tires are properly mounted and seated on the wheels.
- Tire Deformation/Wobble:
- Inspect the wheel for damage or bending.
- Re-check tire mounting to ensure it's seated evenly.
- If the tire itself is permanently deformed or damaged, it may need replacement.
- Tire Damage (Cuts/Punctures):
- Minor cuts may be repairable with specialized rubber glue, but significant damage usually requires tire replacement for optimal performance and safety.
7. Safety Information
⚠ WARNING: This product can expose you to chemicals including phthalates (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
This product is a model toy component and is not intended for use by children under 14 years of age without adult supervision. Always handle with care and follow all instructions provided with your RC vehicle.
8. Warranty and Support
For any technical assistance, questions, or concerns regarding your JDMODEL JDM-190 tires, please contact the seller or manufacturer directly. Provide your purchase details and a clear description of the issue to facilitate support.