What is the Metric Equivalent Tire Size in a Load Range D For the G78-15 Load Range C Tire
Question:
Have old G78-15 load C,want to replace with new metric size trailer tires in load D range, ?? My clearance between tire and inner well on the side of the tire is aprox. 1-1/2 now.What can I use ?? Also,would using a radial bluge and reduce side clearance?? Thanks
asked by: Joe
Expert Reply:
The Metric equivalent of the G78-15 load range C trailer tire is a 205/75-15 tire.
The 205/75-15 tire is not available in load range D, so you will have to stay with the load range C that you currently have. I would recommend going with a radial tire, for a better ride and increased performance and longevity. You should not experience any more bulge with a radial tire than you do with a bias ply tire so your should not have any clearance concerns as long as you stay within the capacity of the tires.
If you want a wheel and tire combination, and you have a 5 on 4-1/2 bolt pattern, I would go with the Karrier ST205/75R15 Radial Trailer Tire with 15 inch White Wheel, item # AM32395.
If you have a 6 on 5-1/2 wheel bolt pattern you would need to go with the Dexstar Steel Spoke Trailer Wheel, item # AM20532, that you mentioned, and the Karrier ST205/75R15 Radial Trailer Tire, item # AM10244. Normally, trailers with a 6 on 5-1/2 wheel bolt pattern have axles that require tires with higher capacities than the G78-15 or 205/75-15, but your 1-1/2 inch clearance would be a concern with a larger tire.
I am including links to FAQ pages on trailer tires and wheels.
Products Referenced in This Question
Karrier ST205/75R15 Radial Trailer Tire - Load Range C
- Trailer Tires and Wheels
- Tire Only
- Radial Tire
- Load Range C
- 205/75-15
- 15 Inch
- M - 81 mph
- Kenda
more information >
Karrier ST205/75R15 Radial Trailer Tire with 15" White Spoke Wheel - 5 on 4-1/2 - Load Range C
- Trailer Tires and Wheels
- Tire with Wheel
- Radial Tire
- Load Range C
- 205/75-15
- 15 Inch
- M - 81 mph
- 5 on 4-1/2 Inch
- Steel Wheels - Powder Coat
- Kenda
more information >
Product Page this Question was Asked From
Dexstar Steel Spoke Trailer Wheel - 15" x 6" Rim - 6 on 5-1/2 - White Powder Coat
- Trailer Tires and Wheels
- Wheel Only
- 15 Inch
- 6 on 5-1/2 Inch
- Steel Wheels - Powder Coat
- Dexstar
more information >
Continue Researching
- Article: Trailer Wiring Diagrams
- Q&A: 6-on-5-1/2 Bolt Pattern 15-Inch Trailer Wheel with 3.65-Inch Pilot Hole
- Q&A: Does 15" Americana Aluminum Mod Trailer Wheel Have a Max PSI Rating
- Q&A: PSI and Weight Capacity for the Dexstar Wheel part # AM20532
- Q&A: Is Capacity of Dexstar Steel Mini Mod Trailer Wheel AM20560 Enough For 4,800 lb Camper Trailer
- Q&A: How Wide of a Rim is Recommended for the Tire Size ST225/75R15
- Q&A: What is the Weight Capacity of Dexstar Steel Trailer Wheel with 6 on 5-1/2 Bolt Pattern
- Article: The 5 Best Trailer Drop Hitches You Can Buy
- Q&A: Can 14.5 Inch Wheels Be Easily Changed Out to 15 Inch Standard Wheels
- Article: Stability Control for Heavy Duty Vehicles
- Article: Trailer Tire Sizing
- Article: 7 Common Questions Everyone Has About Trailer Tires
- Article: Printable Trailer Bolt Hole Pattern Template
- Article: Trailer Maintenance Schedule