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A pre-trip that follows the truck
A careful pre-trip is a walk, a gauge, a look at the stems, and a signature. It is also over the moment the truck rolls. Air lost after the gate, heat built on a grade, and a dual that drifts apart in the afternoon are outside that signature. Fleets that treat the pre-trip as the whole tire program are trusting a parked truck to describe a moving one.
The handheld in the Greenbox film is marked Pre-trip, next to Learn, power, and mute. That control sits with truck positions 1 through 6 and trailer positions 1 through 4. The point of naming pre-trip on the device is that the check and the positions live in the same place the driver uses on the road. A paper pre-trip cannot update itself when a tire changes an hour later. A display in the cab can store the date and time of a low-pressure, high-pressure, or temperature problem after the yard is behind the truck.
Safety on a trip is pressure maintained, not pressure remembered. On dual wheels the wireless transmitter equalizes pressure between the two tires and monitors low and high pressure. That is how the pair stays matched while the truck is working, which is when a mismatch actually costs a tire. Single wheels are part of the same film. A steer tire or a single trailer tire does not get a free pass because the duals were gauged at 5 a.m. The truck drives balanced when the positions that carry it are holding pressure, not when the clipboard says they were.
Drivers already know the weak spots in a rushed pre-trip. The inside dual is harder to reach. A trailer that was hooked in the dark gets a faster walk. A cold tire set in the morning reads differently once the road heats it. None of that is a reason to skip the walk. It is a reason the walk cannot be the last word. Security is the driver seeing the system where it is convenient in the cab, and a time attached to the problem so the next person is not told “it was fine when I left.”
Value is the load that keeps its appointment. A tire event found at a scale or a dock is more expensive than a tire event found on the display while there is still a shoulder and a plan. The film’s install is about five minutes for a sensor and about forty minutes for the truck. Trailer work is very similar. Compared with the length of a pre-trip you already require, that is a one-time fit so the check does not expire at the gate.
The kit includes sensor bars on the hub bolts, hoses with a curved fitting and a straight fitting, a repeater inside the steering-axle wheel, antennas, a power lead, and an optional chrome hub cover if you want the sensor out of sight. The current website says all-in-one and built in the USA. Keep those as site claims. The film shows the install and the screen. One frame reads 104 PSI and 53°F. Do not turn that frame into a specification.
Every truck and every trailer needs this for safety, security, and value. Safety is the pressure and the balance. Security is a pre-trip that still means something after dispatch. Value is catching the change while the truck is yours to manage. Tell us how your drivers pre-trip today and how many trucks you run. Someone replies about your trucks. If the form does not send, use the email button. It opens customersupport@truckstpms.com with your message filled in.
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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.