What's the longest/heaviest you would tow with a 1/2 ton?

[Stclairm]

I know they are rated for anywhere from 9200-12500 lbs max towing and abound 1000# TW Back in 2013, I wasn't thrilled with how our 2013 F150 3.5 EB CC 4x4 max tow (rated for 12k#) felt suspension wise with about 5500# and 28FT behind it. Maybe it was just me, but it was pretty slushy/bouncy even with a properly set up WD hitch. Maybe it was just me. I remember telling myself I would never go over what I had with any other 1500 if that was a max tow truck.
Fast forward to now. We're thinking pretty hard about upgrading from our 17 FT 2800# trailer to something with two recliners and a dinette with a walk around bed. Looks like about the smallest I can find is almost the same, 28 ft. From my reading, light weight trailers just can't hang quality wise and longivity wise as more robust , heavier trailers. Seems like they start around 5800 and up to around 7000#. I know there are people who get downright scientific with it, just looking for a general idea if possible. Hopefully I'm already on the right track.

[mich800]

A bigger truck can hide a poor setup better than a smaller truck. If you were not comfortable with 5k pounds on that F150 you are probably better off going bigger on the truck.

[bikendan]

Stclairm wrote:
I know they are rated for anywhere from 9200-12500 lbs max towing and abound 1000# TW Back in 2013, I wasn't thrilled with how our 2013 F150 3.5 EB CC 4x4 max tow (rated for 12k#) felt suspension wise with about 5500# and 28FT behind it. Maybe it was just me, but it was pretty slushy/bouncy even with a properly set up WD hitch. Maybe it was just me. I remember telling myself I would never go over what I had with any other 1500 if that was a max tow truck.
Fast forward to now. We're thinking pretty hard about upgrading from our 17 FT 2800# trailer to something with two recliners and a dinette with a walk around bed. Looks like about the smallest I can find is almost the same, 28 ft. From my reading, light weight trailers just can't hang quality wise and longivity wise as more robust , heavier trailers. Seems like they start around 5800 and up to around 7000#. I know there are people who get downright scientific with it, just looking for a general idea if possible. Hopefully I'm already on the right track.

The heaviest would be dictated by the truck's payload capacity, not towing capacity. On nearly all tow vehicles towing a TT or 5th wheel, you will always run out of payload capacity WAY before getting close to max towing capacity.
Personally I own a 2014 F150 SCREW 4x4 3.5 Ecoboost with the Max Tow package and 1828lbs of payload capacity. I wouldn't tow over 8000lbs loaded.