Operating Pressure and Temperature for Travel Trailer Tires
Question:
What is the max temperature for travel trailer tires? Trailer tire max pressure?
asked by: John P
Expert Reply:
Trailer tires always indicate their rated psi-pressure on the sidewall. Trailer tires should ALWAYS be inflated to this COLD psi rating under all conditions. It is never appropriate to under- or over-inflate a trailer tire for any reason, such as to compensate for extremes of temperature. Any inflation pressure other than the rated maximum will tend to lead to the tire overheating, and overheating is the single most-common cause for trailer tire failure.
The tire you referenced, part # TTWTRTM2257515D, is to be inflated to 65-psi cold pressure.
The actual operating temperature of a trailer tire will vary quite a bit based on weather, (inflation, as noted), driving speed and the actual weight load on it. For every 10 degrees of ambient temperature change a trailer tire's inflation pressure will vary by about one pound. So if you started out in the morning with cold tires inflated to the correct pressure and stopped midday when the temperature was 30-degrees warmer than it was in the morning, then your tires would show about 3-psi more pressure.
Product Page this Question was Asked From
Provider ST225/75R15 Radial Trailer Tire - Load Range D
- Trailer Tires and Wheels
- Tire Only
- Radial Tire
- Load Range D
- 225/75-15
- 15 Inch
- M - 81 mph
- Taskmaster
more information >
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