I have the 6 point level up. I told my wife you will love this option we will not get any shaking in camper anymore like old unit.
If someone told you there would be a rock solid platform, you were misinformed.
Think of standing on a pair of stilts - wobble around a bit?
I think there is a misconception about the 6 pt level up. It is a leveling system and not a stabilizing system. Rear jacks would certainly help out the situation.
Bernie is right on here.
The rear electric jacks, with or without LevelUp add the "triangle" to the equation, which should really increase the stability.
JT and similar gear work on the triangle principal to help stabilize the coach.
Our trailer wobbled a little bit now and then, especially with use of the washer dryer or two Golden Retrievers having playtime.
I added JT's to both the front and rear LevelUp jacks. It helps but still not as solid as the house I am sitting in right now..
If I didn't bend one of the electric jack legs I would put that assembly back on the trailer. The way the arms work on the electrics really help to minimize side to side movement.
Not an expert but would think that the placement of the jacks has to do with the weight of the tires and axels so they need to place the jacks on either side of the tires-axels. My 3055RL is shorter and has no movement.......Don
Bingo.
The jack placement for "lifting" the trailer are positioned relative to where the trailers suspension is holding everything up.
There are some exceptions, on our Cyclone, the fuel cell dictates somewhat where the jacks are placed.