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Originally Posted by layne
Motor31
We weighed ours at a CAT scale at a truck stop in Indiana. Total weight was 31,562. After unhooking the truck and weighing only the trailer, it was 18,840. Can we tell the pin weight with these figures?
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I can give you a qualified maybe on that. It depends on the type of scale you used. If it was a single pad scale where the entire rig is weighed on one scale sensor, no. If it was a multiple pad scale where you can place each tow vehicle axle on a separate pad and the trailer axles on another, yes. That way you get 3 weights, the front and rear axle of the tow vehicle and the combined axle weights of the trailer.
After weighing both, drop the trailer in the lot and re weigh the tow vehicle, again with each axle on separate pads. Subtract the unloaded rear axle weight from loaded and that will give you the pin weight. Both axles of the tow vehicle should show more weight when hitched but the vast majority will be on the rear due to the hitch placement location over the rear axle.