You’ve already learned a lot about DRC – Truck Tyres – 315/80R22.5/20PR/M! Here’s a summary of what we know and some additional thoughts:

Key Information:

• Brand: DRC Tires
• Type: Heavy-duty regional truck tire
• Size:
  • Width: 315 millimeters (around 12.4 inches)
  • Aspect Ratio: 80% (tall sidewalls)
  • Rim Diameter: 22.5 inches
  • Radial Construction (indicated by the “R”)
• Ply Rating: 20PR (very high, suitable for exceptionally heavy loads)
• Speed Rating: M (maximum speed of 81 mph / 130 km/h)

Possible Applications:

• Drive Axle: Likely the most suitable application due to the size and ply rating. Drive axles handle propulsion and require high load capacity.
• Trailer Axle: Possible depending on the trailer’s weight capacity.

Limitations:

• Without the specific model name, pinpointing the exact application (drive vs. trailer axle) can be difficult.
• DRC’s website might have limited details on this specific tire.

Further Exploration:

• Online Truck Tire Retailers: Search online for “DRC 315/80R22.5/20PR/M.” This might reveal the model name, allowing you to find:
  • Detailed specifications
  • User reviews (valuable for real-world performance insights)
• Tire Professional: Consulting a professional is the best way to confirm the specific application (model) and ensure it suits your vehicle’s axle requirements and typical load capacity.

Additional Thoughts:

• Some retailers might suggest the D601 pattern for this code. While not definitive, the D601 is known for being a regional drive tire.
• Remember, professional advice is always recommended for the most accurate information on application suitability.

I hope this comprehensive overview is helpful! Let me know if you have any other questions about truck tires or anything else.