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Old 07-03-2022, 06:08 AM   #1
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is a 3.5L ecoboost adequate?

I have a 28' TT with a dry weight of 5500#. I'm thinking of purchasing a 2021 F-150 with the 3.5L ecoboost with a 3.55 axle ratio. I'm probably carrying around 7000# total with gear and passengers. does anyone have experience with this? can this truck comfortably handle the weight without issues? thanks for any input.
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Old 07-03-2022, 06:34 AM   #2
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Quote:
Originally Posted by hoot4ua View Post
I have a 28' TT with a dry weight of 5500#. I'm thinking of purchasing a 2021 F-150 with the 3.5L ecoboost with a 3.55 axle ratio. I'm probably carrying around 7000# total with gear and passengers. does anyone have experience with this? can this truck comfortably handle the weight without issues? thanks for any input.
That engine will pull 7K all day long without a hiccup. The only reason I traded up to a 1-ton truck was that I was at the limits of my rear axle and payload capacity. I have a 33' TT, 8300-8500 lbs.

If you have access, what does the door jamb sticker state is the payload cap on the 2021 you are looking into? I would think even a high trim level truck would give you sufficient payload cap to haul a 7K loaded TT without the concern I had with mine.

7K will be roughly 900 lbs of tongue weight, add another 100 lbs for hitch + weight of all occupants + weight of all other gear and see how close you are.
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Old 07-03-2022, 07:49 AM   #3
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"Comfortably" is your key word. Will the truck pull the trailer - yes? 3.55 rear axle means the truck doesn't have the heavy duty payload package. Tremor or Raptor models = No. Being able to see down the side of the trailer adds to towing comfort and safety, so I hope it has tow mirrors. An F250 would be more comfortable hauling the same.
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Old 07-03-2022, 08:41 AM   #4
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I have an '18 F150 with the 3.5EB and the 9.75" 3.55 axle. SCab XL 146" WB 4x4. I don't tow as heavy as you but I've towed long distance with a high profile 16' box trailer that prolly weighed 5000#. No problem at all, plenty of power. Be aware that my base model XL has a payload rating of 1930#; as you go up in trim level, you will lose significant payload due to options. Many highly optioned 150s have a payload of only 1300-1400#. Also, the "eco" part of the EcoBoost engine goes away real fast when you start to dip into the boost. My overall MPG in mixed use driving (without a trailer) is in the +/- 18 range. Pulling a trailer, it goes to less than 10 MPG.
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Old 07-03-2022, 09:13 AM   #5
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Unless you're absolutely in love with the Ford product, there are other brands out there that you might want to consider.

We own a Ram 1500 Laramie Crew Cab 4x4 with the 3-liter EcoDiesel engine and 3.55 axles. It also has the factory towing package and air ride suspension. It consistently gets 14+ miles per gallon on diesel fuel while towing a 27-foot trailer with a gross weight of 7600 lbs. We pulled that trailer over the mountain passes on Interstate 90 between Spokane, WA and Rapid City, SD last summer with no problems.

Fuel mileage is closer to 26 MPG combined city/highway driving when running around town, and the air suspension makes it the most comfortable pickup truck I have ever owned.
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Old 07-03-2022, 09:31 AM   #6
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Get the best WDH you can afford and go camping. The 3.5 EB will do great.
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Old 07-03-2022, 10:14 AM   #7
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Towing competance has little to do with power. 7000 lbs is the absolute max tt weight I'd tow with any half ton and I'd prefer to stick at under 6500. 2 cents
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Old 07-03-2022, 10:49 AM   #8
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What do you call comfortable? Several steering corrections per minute to stay on the road? 3 steering corrections per minute ? Anyway I agree with people saying 7,000lbs is a lot of sail to tow with a 150/1500 series truck.

You might consider a Nissan Titan XD which will be 1,500 lbs. heavier than the F-150 and will have a longer wheelbase.

Or maybe better yet order a F-150 with the HDPP option.
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Old 07-03-2022, 12:06 PM   #9
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I had 24' Starcraft (27' tongue to bumper) that weighed 6500 to 7000 being towed with my 2011 F150 EB SCREW. 3.73 rear end 4x4.

Did great at 8 mpg. Longest tow was from KY to FL .

If I was going all over the US I would have opted for a heavier truck, but it felt very comfortable all around with plenty of power all around and good breaking.

The heavier truck option would be if I traveled longer distances and to counteract wind. Otherwise you'll be fine with that set up.

Take a gander at your payload sticker in the doorwell and ensure you have plenty as you will add up the tongue weight, yourself, wife, kids along with the dog and cat.

I kept at 65mph.
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Old 07-03-2022, 02:33 PM   #10
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Thanks for everyone’s input! I currently have a 2019 F250 with the 6.2 gas engine. Guess I’ll stick with it a while longer.
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Old 07-03-2022, 02:51 PM   #11
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The 2019 F-250 will spoil you with the comfortable towing compared to a any F-150.
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Old 07-03-2022, 03:45 PM   #12
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I went from a 1/2 ton that was fully capable numbers wise to a 3/4 ton when I had a previous 31' 7200lb TT. Close to night and day different.
I'm pretty confident in my ability to tow anything with anything, but like mentioned above it can be taxing towing marginal combinations. That F150 would get the job done but not as easy as an F250.
Keep your F250.
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Old 07-03-2022, 04:22 PM   #13
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X2 on keeping the F250. With a 6.2 my son pulls 9,000 lb of livestock trailer, 12,000 lb of hay trailer, and (yes) a 32' camping trailer. While a 3.5 Eco would likely have a better torque curve for towing the 6.2 is a truck engine built for doing work. The 3.5 might save a miniscule amount of fuel due to being more efficient. But, the depreciation of a new truck would likely wipe the saving out.
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Old 07-03-2022, 08:50 PM   #14
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Quote:
Originally Posted by 1JetDoc View Post
Unless you're absolutely in love with the Ford product, there are other brands out there that you might want to consider.

We own a Ram 1500 Laramie Crew Cab 4x4 with the 3-liter EcoDiesel engine and 3.55 axles. It also has the factory towing package and air ride suspension. It consistently gets 14+ miles per gallon on diesel fuel while towing a 27-foot trailer with a gross weight of 7600 lbs. We pulled that trailer over the mountain passes on Interstate 90 between Spokane, WA and Rapid City, SD last summer with no problems.

Fuel mileage is closer to 26 MPG combined city/highway driving when running around town, and the air suspension makes it the most comfortable pickup truck I have ever owned.
No offense but that eco deisel pales in comparison to the 3.5 Eco.
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