Blog
A gauge only works while parked
A good gauge is honest. It is also useless at sixty miles an hour. Someone has to stop, reach the stem, and read it. Inside duals get skipped. Trailers in the rain get a shorter walk. A driver who gauged every tire at dawn has done a real pre-trip and still knows nothing about the tire at noon. The gauge did not fail. The job changed the moment the truck moved.
The Greenbox film does not throw the gauge away. It puts a wireless transmitter on the dual so pressure between the two tires is equalized and low and high pressure are monitored while the truck works. The cabin display shows pressure and temperature where the driver already is, and it stores the date and time of a low-pressure, high-pressure, or temperature problem. That is the record a gauge cannot write, because the gauge is in a drawer and the event is on the highway. One screen in the film reads 104 PSI and 53°F. Use it as an example of a cab reading, not as the number your gauge must match.
Safety is the hours between gauges. A leak after dispatch, heat on a grade, and a dual that drifts apart are all invisible to a tool that only works while parked. The truck drives balanced if those hours are watched and the duals are kept together. Single wheels need the same honesty. A steer tire gauged at the yard can be a different steer tire after a day of heat. The film covers dual or single for that reason.
Security is who holds the information. A gauge reading lives in one person’s hand for a second. A stored date and time lives on the display the next driver can see. Positions 1 through 6 and 1 through 4 name the stem you would have put the gauge on. Pre-trip on the handheld is the parked check. The rest of the shift is the monitor. Mute and power let the driver keep the device in the cab instead of treating it like a tool that goes back in the box.
Value is the steps you stop adding to every arrival. Gauging a full combination is slow, and it is still a parked snapshot. About five minutes to fit a sensor, about forty minutes for the truck, and a similar trailer install, is how the film trades a block of shop time for a reading that exists at speed. Sensor bar on the existing bolts, curved and straight fittings, repeater in the steer-axle hand hole, optional chrome cover.
All-in-one and built in the USA are claims from the current website. The film’s claim is optimal tire pressure and performance wherever you go, which is a claim about the road, not the parking spot.
Every truck and every trailer needs watching after the gauge is back in the pocket, for safety, security, and value. Say how you check tires today when you write. Someone replies about your trucks. The fallback is customersupport@truckstpms.com, and the form keeps your text if the send does not complete.
Keep the gauge. Put it next to the display, not in competition with it. The gauge settles an argument at the stem. The display tells you which stem is worth walking to while the truck is in service. A yard that throws the gauges away because a screen exists will eventually meet a dead battery or a truck that was never learned, and it will have no way to check a tire. A yard that trusts only gauges will keep missing the hour after dispatch. Use both on purpose. Once a week, pick a truck, read the cab, then gauge the positions and write down the pair of numbers. You are training the shop to believe the screen and training the screen's install to survive a real comparison. Differences mean a fitting, a leak, or a position learned wrong. They do not mean the gauge was old-fashioned.
Related
Tell us about your trucks
Every truck and every trailer needs the Greenbox for safety, security, and value. Send a note and someone replies about your trucks.