I agree, it is alot of expense and complication to adapt that to an RV trailer when one can level the trailer by less expensive and less complicated means and it is better to be level, rather than depend on a huge amount of axle equalization to tow so far out of level.
01 International 4800 4x4 CrewCab DT466E Allison MD3060
69Bronco 86Samurai 85ATC250R 89CR500
98Ranger 96Tacoma
20'
BigTex flatbed
8' truck camper, 14' Aristocrat TT
73 Kona 17' ski boat & Mercury 1150TB
92F350 CrewCab 4x4 351/C6 285 BFG AT 4.56 &
LockRite rear