If all you want to confirm is pin wt, just weigh the truck without trailer and get separate wts for the axles. You might already have this info when you weighed the other day. You also need the trucks rear axle wt with the trailer on.
Then take the wt of the truck rear axle With the trailer, and subtract the rear axle wt Without the trailer and you have the pin wt of the trailer.
Cheers,
Bill
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