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Temperature on a long grade
Grades change tires. A loaded combination climbing in warm weather asks the tires to flex under weight for a long time. Heat is the result drivers respect, because a hot tire is closer to the failure they have seen on the shoulder. Pressure and temperature move together. A tire that is low flexes more and runs hotter. A dual that is not equalized makes one tire do that work alone. Watching pressure and ignoring temperature, or guessing temperature by putting a hand near a wheel at the brake check, is a thin program.
The film is explicit that the cabin display stores the date and time of a low-pressure, high-pressure, or temperature problem. Temperature is not a footnote. It is one of the three events the display is there to remember. In one moment the screen reads 104 PSI and 53°F. That pair of numbers is a reading in the video. It is not a published maximum, a cold-set target, or a promise about grades. What you can say is that pressure and temperature are both shown, and a temperature problem gets a date and time.
Safety on a grade is pressure maintained so the truck stays balanced while the work is hardest. On a dual, equalization between the two tires is how you keep one tire from becoming the hot one. The wireless transmitter monitors low and high pressure at the same time. A high reading and a temperature event are different lines on the same display, and both are reasons to treat the position as a real stop instead of a “we’ll look at the yard.” Single wheels heat too. The system in the film covers dual or single.
Security is the time. A driver who felt the pull at the top of the grade and a shop that sees the truck two hours later can both point at the stored time. Without it, the grade becomes a story and the tire becomes a mystery. Truck positions 1 through 6 and trailer positions 1 through 4 tell you which wheel to walk to. The handheld’s mute and power do not erase the stored event. The point of the cab is that the driver sees the system where it is convenient, including when the grade is still in the mirror.
Value is a tire that finishes the mountain. Road calls on a grade are slow, exposed, and expensive in freight time. The install in the film is about five minutes a sensor and about forty minutes for the truck, trailer very similar. That is yard time traded against a temperature event you would otherwise discover as smoke or tread on the rumble strip. The repeater lives inside the steering-axle wheel. Sensor bars use the existing hub bolts. Fittings are curved on one stem and straight on the other. A chrome cover is optional.
The current site says all-in-one and built in the USA. Those are site claims. The film’s last line is that TPMEQS ensures optimal tire pressure and performance wherever you go. A long grade is one of the places “wherever” has to include.
Every truck and every trailer needs this for safety, security, and value. If your routes climb, say so when you write. Someone replies about your trucks. A failed form keeps your words on the page and offers customersupport@truckstpms.com.
Pick one grade your trucks climb often and treat it as the test, not as a story. Note the position that stores a temperature event, the time, and whether the dual on that hub was due for a gauge anyway. If the same position stores heat week after week, the tire, the load, or the pair is telling you something a generic "tires run hot in summer" comment will not. Bleed or repair in the yard. Do not wait for the grade to become the shop. Drivers should know that a stored temperature time is a reason to stop at the next safe place, not a reason to finish the descent and forget. The cab is there so the grade does not depend on smell. Write the grade's name in the inquiry if you want the reply to talk about your route instead of a generic truck.
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Every truck and every trailer needs the Greenbox for safety, security, and value. Send a note and someone replies about your trucks.