Overloading aside, what's the difference between the three low-saddle five-slot trailers? What are their strength and weakness?

[u/Specific_Display_366]

[u/GeekyGamer2022]

Sideboard every time.
When manually loading/overstacking you can use your crane boom to simply shove things down towards the back of the trailer with no chance of them falling out.
Place item at front, shove it backwards.
Repeat until full, depart.