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1Longbow

AZ

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Posted: 02/13/21 10:53am Link  |  Quote  |  Print  |  Notify Moderator

Anyone towing with the Ford 7.3 gas motor?Likes or dislikes so far

kellem

Shenandoah valley,VA

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Posted: 02/13/21 11:36am Link  |  Quote  |  Print  |  Notify Moderator

Yes, bought a 2021 F250 7.3 and tow a 30 ft 7600# trailer with full fresh water tank rendering a 1200# tounge.

The 7.3 paired with the 10spd transmission has exceeded expectation, especially in steep mountains where my previous 2500 struggled mightily.

In tow mode, the transmission utilizes all gears 1-8 and locks out 9 and 10.
Driver can also lockout gears on the fly making hilly country a breeze.

I chose 3.55 gears and occasionally see over 17 mpg on long highway trips and 10-11 towing in the hills, impressive.
Heavy towing, I'd opted for 4.30 gears.

I'm confident this 7.3 is going to prove to be a very durable engine with low maintenance costs as it's a simple design.

Time will tell but a very satisfied Superduty owner.

IdaD

Idaho

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Posted: 02/13/21 12:43pm Link  |  Quote  |  Print  |  Notify Moderator

I haven't towed with one but I think expecting 10-11 towing is very optimistic. Fuelly says the average MPG is a little under 12, which would include towing and not. I think Fuelly tends to be pretty close to real world. I'd probably bank on most folks getting more like 8 towing. Obviously driving habits play a big role.


2015 Cummins Ram 4wd CC/SB


kellem

Shenandoah valley,VA

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Posted: 02/13/21 01:40pm Link  |  Quote  |  Print  |  Notify Moderator

Yes,take what I said regarding tow mileage with a grain of salt as I've only towed twice with the truck.

Let's Go Exploring

Mandeville, La

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Posted: 02/13/21 02:46pm Link  |  Quote  |  Print  |  Notify Moderator

I have a new truck the 7.3L and am waiting for a new 5th wheel. I had a 2006 F350 with the V-10 and 4:40 gears. I can already tell that this truck has more zip and will handle towing better. I'm already getting "better" local and highway unloaded mileage with a brand new drivetrain than I did with the broken in V-10. My last truck was very reliable. Hope this guys is too. ("Better " in parenthesis since we all know that good gas mileage in a large truck is a relative term. lol!)


April & Tom (and son Brian when he is in town!)

2021 Jayco Eagle HT 28.5
2021 Ford F350 XLT 4X4 Crew Cab w/ 7.3L Engine and 4:30 Rear.

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Hannibal

Tampa Bay Area

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Posted: 02/22/21 07:35am Link  |  Quote  |  Print  |  Notify Moderator

With Covid messing up our plans, we haven’t towed very much with ours but so far I’m also very pleased with it. Much like Kellem’s experience.


2020 F250 STX CC SB 7.3L 10spd 3.55 4x4
2010 F250 XLT CC SB 5.4L 5spdTS 3.73
ex '95 Cummins,'98 12v Cummins,'01.5 Cummins,'03 Cummins; '05 Hemi
2017 Jayco 28RLS TT 32.5'

Groover

Pulaski, TN

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Posted: 02/22/21 08:14am Link  |  Quote  |  Print  |  Notify Moderator

IdaD wrote:

I haven't towed with one but I think expecting 10-11 towing is very optimistic. Fuelly says the average MPG is a little under 12, which would include towing and not. I think Fuelly tends to be pretty close to real world. I'd probably bank on most folks getting more like 8 towing. Obviously driving habits play a big role.


The downside of Fuelly is that you don't know how much is towing or even what type of towing. I would bet that in general the more capable rigs are worked harder than the less capable ones and comparing their towing economy numbers is misleading.

MFL

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Posted: 02/22/21 08:14am Link  |  Quote  |  Print  |  Notify Moderator

While mine is a 6.2, it tows my FW well, in all conditions. The 7.3 has more HP and TQ, at a lower rpm. What's not to like? Any gasser with power to tow heavy, getting 8 mpg or more, while towing, is a winner!

Jerry





4x4ord

Alberta

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Posted: 02/22/21 08:23am Link  |  Quote  |  Print  |  Notify Moderator

kellem wrote:

Yes, bought a 2021 F250 7.3 and tow a 30 ft 7600# trailer with full fresh water tank rendering a 1200# tounge.

The 7.3 paired with the 10spd transmission has exceeded expectation, especially in steep mountains where my previous 2500 struggled mightily.

In tow mode, the transmission utilizes all gears 1-8 and locks out 9 and 10.
Driver can also lockout gears on the fly making hilly country a breeze.

I chose 3.55 gears and occasionally see over 17 mpg on long highway trips and 10-11 towing in the hills, impressive.
Heavy towing, I'd opted for 4.30 gears.

I'm confident this 7.3 is going to prove to be a very durable engine with low maintenance costs as it's a simple design.

Time will tell but a very satisfied Superduty owner.


The 7.3 is available with 3.73 or 4.30 gears. I can’t see any reason for getting 4.30 gears. I think if I was towing less than 12 k lbs I’d want 3.73 gears and towing over 12k I’d probably want a diesel even though I’m sure the 7.3 would do.


2021 F350 SRW Platinum short box 4x4.
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kellem

Shenandoah valley,VA

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Posted: 02/22/21 01:34pm Link  |  Quote  |  Print  |  Notify Moderator

4x4ord wrote:

kellem wrote:

Yes, bought a 2021 F250 7.3 and tow a 30 ft 7600# trailer with full fresh water tank rendering a 1200# tounge.

The 7.3 paired with the 10spd transmission has exceeded expectation, especially in steep mountains where my previous 2500 struggled mightily.

In tow mode, the transmission utilizes all gears 1-8 and locks out 9 and 10.
Driver can also lockout gears on the fly making hilly country a breeze.

I chose 3.55 gears and occasionally see over 17 mpg on long highway trips and 10-11 towing in the hills, impressive.
Heavy towing, I'd opted for 4.30 gears.

I'm confident this 7.3 is going to prove to be a very durable engine with low maintenance costs as it's a simple design.

Time will tell but a very satisfied Superduty owner.


The 7.3 is available with 3.73 or 4.30 gears. I can’t see any reason for getting 4.30 gears. I think if I was towing less than 12 k lbs I’d want 3.73 gears and towing over 12k I’d probably want a diesel even though I’m sure the 7.3 would do.


If I'm not mistaken, believe the F250 7.3 only has the 3.55/4.30 gear options and also believe you'd have to move up to a F350 to have 3.73 as an option but only marginally sure.

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