F-150 V6 Ecoboost Turbo XLT 8,400 TC

You are good with that. Listen to the advice on here....but you are good.

I tow a 37'er with a heavily modified 1/2 ton pickup. Have done TONS of research and also have a very well paid, trained, personal mechanic. "Some" of what you read on here in regards to weight is garbage....you have to do the research and determine the capacities for yourself.

Please pay attention to the truck's PAYLOAD capacity, as much as you are the Towing Capacity.

Anything but the base naturally aspirated V6 shoudl do well. The 2.7L Ecoboost is an interesting compromise that should perform well with <6000 pound loaded RV.

If you stay with a 20-24 foot trailer you will probably be fine. BUT double check the cargo capacity of the truck.

The cargo includes:
*people
*stuff in the truck
*hitch head
*tongue weight of the trailer = 10-15% of the trailer LOADED weight

Cargo capacity is quite often the limiting factor, rather than towing capacity.

The 3.5 ECO with 3:73 gears and you will more than fine ! Check the yellow sticker in the drivers door for CCC. Gearing is what is important for towing. Ford uses that engine with other gearing for much better gas mileage.

Smooth, quite, powerful.......for your needs, it will be a very good combo. Granted, I'm basing this on my experiences over the last few years with an ECO here in the flats of the S/E part of the country.

Use the search feature here for volumes of info on the 3.5 ECO.

Good luck !

Should be fine, maybe better than the V8, given the trailer sizes you are suggesting. (I'm still not sold on using it for the full 10k tow capacity some of these turcks are rated for).

In good condition, it will put out as much or more power than the V8. Also with the turbo, it will put out more torque at low RPM, which is useful for getting the load moving.

The biggest adantage is if you get up into the mountains, you lose negligible power. A naturally aspirated V8 will lose something like 4% for every 1000ft of altitude due to thiner air, so at 6000ft, the V8 is down somewhere on the order of 24% while climbing a steep grade where you need the power the most you are down on power. The turbo packs the air in, so there is negligible power loss at altitude.

For 2016 there are two EcoBoost V-6 engines - a 2.7L and a 3.5L.
Are you talking about the 2.7L engine? And what rear end ratio?

I do believe you will find that the V6 EcoBoost is just as expensive (Actually more) as a V8. You will also find that the V6 Ecoboost has more power than the V8s offered in the F150s. You will also find that the 3.5 V6 EcoBoost has a higher tow capacity than the V8.
So yeah. the 3.5 EcoBoost will do all you want, and more.

But if the V6 you found is NOT a EcoBoost. You won't be happy

That truck will be fine with the lighter trailers. If you equip it with maximum payload and maximum towing packages, anything under 25' will be OK.