Dedication: Colorado Tire's Path to Success As the global leader of performance-guaranteed OTR tires and one of the few compa ... nies in the world to design, develop and deliver all sizes of OTR tires from 16" to 63", Colorado Tire Corporation ("CTC") is dedicated to improving OTR tire’s onsite performance to help users significantly lower their tires' per-hour cost. Years of field services in different countries of America, Asia, Europe and Africa have demonstrated Colorado® OTR tires’ unmatched performance under various geographical conditions worldwide. Remarkably, CTC's Colorado® brand 57" and 63” tires have been keeping one of the front three (3) runners among all brands of tires in the world based on onsite performance hours since 2007. Such unmatched performance has indubitably indicated CTC's realization of its commitments to users and its leading position in developing and supplying performance-guaranteed OTR tires. CTC's most popular steel cord radial OTR tires for GLOBAL open pit mining trucks: 1. Colorado 59/80R63 2. Colorado 56/80R63 3. Colorado 55/80R63 4. Colorado 53/80R63 5. Colorado 50/80R57 6. Colorado 46/90R57 7. Colorado 40.00R57 8. Colorado 37.00R57 9. Colorado 36.00R51 10. Colorado 33.00R51 11. Colorado 30.00R51 12. Colorado 27.00R49 13. Colorado 24.00R35 14. Colorado 21.00R35 15. Colorado 18.00R33 16. Colorado 18.00R25 17. Colorado 16.00R25 18. Colorado 14.00R25 19. Colorado 13.00R25 20. Colorado 14.00R24 21. Colorado 12.00R24 22. Colorado 14.00R20 23. Colorado 12.00R20 24. Colorado 11.00R20 25. Colorado 10.00R20 26. Colorado 9.00R20 27. Colorado 8.25R20 28. Colorado 8.25R16 29. Colorado 7.50R16 Better Performance... GIANT Savings! CTC welcomes new users and distributors from any country. Specialties: Design, develop and deliver all sizes of performance-guaranteed OTR tires for global mining, quarry, construction, logging, port and industrial services. Official Website: www.cotire.com read more