Normally, you only need 2 binders. Attach one set of chains by simply hooking them, then attach the chains in the opposing direction with binders. Use a cheater bar. Suck those wheels right down to the trailer deck.
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Generally, where possible, I like to winch everything onto a trailer. It's slower, and safer. And, you don't face the danger of sitting on a tractor that might tip over backwards if driven up a set of steep ramps. I built my deckover trailer with an eye to making the deck height to the absolute minimum..........but the ramps are still steep. A winch keeps the front end of everything on the deck.......not up in the air.
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I, personally, don't like a lowboy trailer for what I do. A deckover is more versatile. When doing the pickup, the chains were on front, and back axles...............both pulling in opposite directions. Stretching the truck fore/aft. Always look at your load, and figure out the best way to secure it. Just stand there, take your time, and visualize the ways that whatever you're hauling might slide off the trailer deck. Don't feel foolish by over doing it. Better safe than sorry.
I build a steel deck. I don't like a wood deck. They deteriorate too rapidly. Metal is one-and-done.
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I use a vintage winch that I've mounted on a custom mount. It's stronger than anything I haul. I've moved backhoes with it. Here, I'm unloading the pickup..............I still use the winch. It's safer. Slow is GOOD. Be careful in everything you do. Don't be afraid to use a snatch block. It might be overkill, but it's cheap insurance. The pickup is so light, a snatch block wasn't necessary. BUT.......IIRC.......I used a snatch block when loading it.
I'm not being judgmental..........I'm just trying to show by example. Everything in life involves a learning curve.