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Old 07-26-2006, 05:24 PM   #1
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Question '05 F-150 with 5.4L to pull a 25' AS?

Hello all,
I suspect this has been asked before but I'll throw it out to the group again. I recently bought a new, leftover, '05 F-150 SuperCab 4X4 with the 5.4L (305HP - 3V/cylinder) motor. Getting conflicting info from Ford on max towing. One doc says #7700. Another says #9200 and the final says #9900.

Obviously, I want a decent cushion between trailer weight and max towing so getting this right before I plunk down $$$$'s for the trailer is paramount.

Please help a confused newby. I think I'll be OK but looking to you seasoned pullers for guidance.
Thanks,
FT
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Old 07-26-2006, 06:29 PM   #2
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Quote:
Originally Posted by FordTruck
Hello all,
I suspect this has been asked before but I'll throw it out to the group again. I recently bought a new, leftover, '05 F-150 SuperCab 4X4 with the 5.4L (305HP - 3V/cylinder) motor. Getting conflicting info from Ford on max towing. One doc says #7700. Another says #9200 and the final says #9900.

Obviously, I want a decent cushion between trailer weight and max towing so getting this right before I plunk down $$$$'s for the trailer is paramount.

Please help a confused newby. I think I'll be OK but looking to you seasoned pullers for guidance.
Thanks,
FT
Much depends on the axle ratio. Can you post what that might be?
Also, there's such a thing as gross combined weight rating, which you might consider.
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Old 07-26-2006, 08:33 PM   #3
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Check the door frame

Inside the drivers door is a plate with the information you need.
GVW, tire size and with the VID from the front window all you need to do is call the dealer to find out.

To answer your question, my GMC with a 4.8l and 3.73 rear end pulls my '76 25' just fine.
Would it pull a '06 25' with all the bells and whistles, I would rather not.

I go by 80% of tow capacity which for mine is .8 x 6,000 = 5,000 lbs

Good luck,
R
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Old 07-26-2006, 09:16 PM   #4
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Quote:
Originally Posted by FordTruck
Hello all,
I suspect this has been asked before but I'll throw it out to the group again. I recently bought a new, leftover, '05 F-150 SuperCab 4X4 with the 5.4L (305HP - 3V/cylinder) motor. Getting conflicting info from Ford on max towing. One doc says #7700. Another says #9200 and the final says #9900.

Obviously, I want a decent cushion between trailer weight and max towing so getting this right before I plunk down $$$$'s for the trailer is paramount.

Please help a confused newby. I think I'll be OK but looking to you seasoned pullers for guidance.
Thanks,
FT
I have a 2001 SuperCrew with the 5.4. Rated at 8000 # Pulls my 2005 Safari with no problem. I do turn off the OD. The 4X4 have less towing capacity than a 2 wheel drive, the extra running gear is deducted. I would think your new truck has more capacity than mine as I think the HP of the 5.4 was upped. Good luck.

Jim
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Old 07-26-2006, 09:39 PM   #5
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Quote:
Originally Posted by Jim Clark
I have a 2001 SuperCrew with the 5.4. Rated at 8000 # Pulls my 2005 Safari with no problem. I do turn off the OD. The 4X4 have less towing capacity than a 2 wheel drive, the extra running gear is deducted. I would think your new truck has more capacity than mine as I think the HP of the 5.4 was upped. Good luck.

Jim
There you have it, first hand experience always beats speculations.
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Old 07-26-2006, 10:32 PM   #6
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Hi FordTruck--A 25' A/S will have a dry weight of 3600# to 6000# with newer and Excella models being the heaviest. Your '05 F-150 5.4ltr will do the job. If you have a rear axle ratio (Chevy numbers) of 4.10 rather than 3.73, you will like the way it tows better. Difference in fuel mileage will be very little. I would also recommend you tow in 3rd gear (1:1 ratio) rather than 4th or overdrive (1:.7 ratio) to protect your transmission (keep it cool), and keep you in the sweet spot of the torque range at highway speeds. The variation in tow capacity that you posted probably has to do with which axle ratio, and whether 4X4. Now that you've got the truck get that A/S and get towing.--Frank S
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Old 07-26-2006, 10:43 PM   #7
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Hi FordTruck--Forgot to include what works well for me. 2001 Chevy 1/2 ton 4wheel drive Suburban 5.3ltr 4.10 limited slip axle, towing a 1973 27' Overlander with a loaded weight of 6400# on the A/S axles.--Frank S
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Old 07-27-2006, 11:45 AM   #8
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I'm out of town and don't have the truck with me as I reply to the question about axle ratio. I went to the FORD website and reviewed the Towing Guidelines. The following is from the site.

Cab Style
SuperCab

Maximum Loaded Trailer Weight (lbs.)
8,300

Engine
5.4 SEFI V8 3V(2)

Drive
4X4
Wheel Base
144.5” WB
Towing Type
Conventional

Transmission
Automatic

The specs on the new 25' Internationals have a GVWR of #7000 for the 25SS and #7300 for the 25FB

The specs on the new 25' Safaris have a GVWR of #7300 for the SE25SS and #7500 for the SE25FB.

It looks like we're OK with any of these based on the numbers. Y'all have the practical experience that we're lacking.

I have a follow-up question that I failed to put in my original post:
I know a weight distributing hitch makes a difference in the handling but does it make a difference in the maximum weight that can be towed?

Thanks again for your guidance.
FT
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Old 07-27-2006, 12:01 PM   #9
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Hi FordTruck--The max weight you can tow is based on the tow vehicle, not the weight distributing hitch (assuming the wdh is large enough for the job). With 8300# tow capacity you should be OK towing any 25' A/S. That 144.5" WB will aid tracking and stability, as longer WB is better. Get that A/S now and enjoy.--Frank S
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Old 07-27-2006, 12:01 PM   #10
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No change in tow rating, no matter what hitch you use. Weight distribution only has an effect on max. tongue weight allowances.
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Old 07-27-2006, 12:04 PM   #11
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No...

FordTruck-

The little sticker at bottom of driver door opening will have axle code.. C2 is the 4.10 axle, and I think C1 is the 3.73 axle...

We are currently happily towing an actual '88 Excella 25 with our 5.4L V-8 powered Excursion... Loaded GVWR on trailer is 6800#, tow capacity of Excursion with 2WD and 4.10 axle is 7200#. Got 11 mpg and pulled over mountains on way to Salem and back at speeds from 50mph (up 6% grade) to normal interstate cruise at 63-65 mph...

As for Weight Distributing/Anti Sway hitches, they don't change total load, but do limit load on hitch and rear axles and affect handling in a significant and positive way. Few here would recommend towing something as heavy as a 25' trailer without adding the W/D hitch, since Airstreams often have heavy hitch weights (greater than 500#)...

John McG
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Old 07-27-2006, 12:11 PM   #12
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Quote:
Originally Posted by uwe
No change in tow rating, no matter what hitch you use. Weight distribution only has an effect on max. tongue weight allowances.
well...it can affect both. perhaps its semantics, but my receiver hitch has it stamped right on it: max trailer weight=5000lbs without wd, 10,000 with wd. tounge weight 500lbs without/1,000lbs with.

as far as the truck's "gross" numbers...no.
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Old 07-27-2006, 12:11 PM   #13
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Towing a 25' AS

We have a 2005 Safari 25' named Lucy. We tow Lucy with our '04 Tahoe (Matilda) which is about the equivelent of you F-150, Matilda has about the same engine size and rear axle ratio. Matilda does pretty well with Lucy, but strains a little on steep uphill grades.

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Old 07-27-2006, 12:19 PM   #14
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Hi Chuck--Good point on allowable tow weight with and without a weight distribution hitch. I believe the tongue weight with the wdh you meant to post was 1000lbs.--Frank S
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