Load Range C Trailer Tire Pressure
Load range b is the lightest load the tire can carry and load range e is the heaviest load it can carry.
Load range c trailer tire pressure. On trailer tires the load range relates to. I upgraded the tires on my 1992 fleetwood coleman destiny trailer from 5 70 8 load range b to 5 70 8 load range c. Most boat trailer tires have a load range of b c or d. Can load range d tire be used instead of load range c on a 30 foot rockwood 5th wheel trailer.
To find the load range of your trailer tire look at the sidewall and on there you will find the lowest and highest end of the load ranges. If a tire has load range c it can carry 1 820 pounds. Load range is a measure of an individual tire s maximum capacity to carry a boat and trailer. Marked on the sidewall the load range runs from the lightest weight the tire can carry load range b to the heaviest load range e.
Can a load range d tire be used on the same wheel as a load range c tire. At 50 psi each tire is rated to carry 1 360 pounds or a combined 2 720 pounds for the pair of tires. Trailer tires to replace p165 80 13 tires on a 1963 metzendorf travel trailer. A single axle boat trailer with a 2 490 pound gvwr trailer plus cargo rolls on st175 80r13c tires with a max trailer tire psi of 50 pounds.
Load inflation information for st metric trailer tires. Passenger tires feature named load ranges while light truck tires use load ranges that ascend in alphabetical order letters further along in the. For this 5 30 12 tire that pressure would be 80 lbs. If the tire pressure is reduced to 40 psi the individual tire load rating drops to 1 190 pounds 2 380 pounds combined or 110.
For proper long term performance and strength always inflate your tire to the maximum pressure. Inflation pressure psi. Load range c 6 ply side width 5 6 inches. I inflated the b range tire to 50lbs.
A load range d tire has the same load capacity as a load range c tire if it is inflated to 50 psi and will provide the same ride characteristics. Should i inflate the tires to that pressure or should i use something less i e. Inflating to this pressure allows you to get the maximum 1045 lbs of carrying capacity and allows the tire to wear properly. The load range ply rating branded on a tire s sidewall identifies how much load the tire is designed to carry at its industry specified pressure.
Replacement trailer tire 175 80r13. The tire pressure on the c tire says 75 lbs. Tire load limits lbs at various cold inflation pressures psi for st trailer tires used in normal highway service. You will find a load range value of either b c d or e.
Load range d tires only provide more capacity and a harsher ride if they are inflated to the higher rated design pressure. The weight of the trailer is about 1100 lbs fully loaded.