Having towed multiaxle trailers for a living and having had many a trailer weighed in a loading yard and by DOT I found out the hard way the suspensions equalizer bars do not equalize the weight
Absolutely correct! The axle equalizers do not equalize the weight between the axles. One trip across the scales weighing both axles will give you the information you are looking for. Also, the axle's weights are not equal side to side either. Typically the side with the refrigerator or the slide out is heavier. Weigh each wheel and you, too, will find this out.
