We use em' too.
Heavy trailer, heavy rig, lots of parts and gear - sometimes we even add one or two ATV's to the load...
Makes a HUGE difference in drivability.
Just remember to disconnect them as you are entering your final destination (campground etc.) if you have to traverse over alot of uneven terrain to get to your campspot.
They can cause some serious carnage if you don't...
aka "Pistons Chick"
Region 3 - WA Land Matters
Club President 2007 - 2014
Piston's Wild Motorsports
PNW4WDA Member for 25 Years
"SARCASM - because beating the crap out of people is illegal."