just getting ready to do this.
May i ask what happened in your situation?
Well I had just turned off of the main highway where I'd been running 65 mph. I was heading down the road leading to my neighborhood at about 25 mph. As a habit, I constantly check my mirrors whenever towing. I just happened to be looking in my driver's side mirror and literally watched the whole wheel wobble some, then detach, and go rocketing past me down the road. Simultaneously, that side of the axle/leaf spring dropped and dug into the asphalt with a loud scraping sound. It was indeed a single axle trailer!
In that split second, I simply could not process what was happening, but I hit the brakes and slowed as quickly as a I could. Meanwhile my tire is a hundred yards ahead of me rolling upright and fast down the road. Thankfully it loses momentum and goes off the side of the road before another car comes, but it ends up 250 yds down the road.
So there I am, unable to move, the entire hub is gone so there's nothing to attach a spare to. I'm only 1/2 mile from home but that really doesn't matter. I call a tow truck with a flat bed, they put it on there and take it to trailer repair shop. I'm getting a new axle, two new hubs, u bolts, not sure on leaf springs, and one new tire since the fender well sliced the one that detached.
This all happened yesterday and they are supposed to have it fixed today.
Thankfully, it didn't happen going 70 mph on a major highway, or the boat didn't flip or jack knife, etc. Nothing else was damaged except the tail light on that side which got crushed when that side dropped.
I thought I was doing the right thing by adding grease on the front each of the last 2 years. But hey, you don't know what you don't know.
I'll be getting my four RV axles done ASAP.