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Old 12-31-2009, 10:21 PM
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f550 towing capacity question

Hey everyone,

New to the forum here. I have a question in regards to towing capacity. I just purchased a 2003 F550 w/ 6.0L diesel and a dump box. I searched the forum and can't find a specific answer to my question.

I am curious as to how much weight I can tow with the truck. I am in construction and haul materials to site (mostly lumber and pavers), as well as machinery.

Seeing as I have a dump box on the truck, I was thinking a tag trailer is my best bet. I would like to be able to haul my skid steer (~7500 lbs) and mini ex (~6000 lbs) at the same time. I was thinking of purchasing a 12 ton tag trailer with electric brakes and tandem duals.

Is this reasonable?

Would the truck haul a 24k tag trailer? I know a gooseneck wouldn’t be a problem, but is it much difference to pull it as a tag?

Or is there a way to pull a gooseneck trailer with the dump box on? Maybe cut in an access hole to a gooseneck hitch mounted on the frame?

Right now I haul with a Chevrolet 2500HD (6.0L gasser) and it can be a few trips to get machines and materials to a site. Be nice to do things all in one shot.

Rarely would the trailer be maxed out, but would like the added margin of safety and the convenience of bigger loads when need be. I was considering a 10 ton tag, but the weight difference between a 10 and 12 ton tag is about 600 lbs, so better off to get the 12 ton in my eyes. That way, when the money rolls in to get a bigger skid steer, I will already have the trailer to haul it and the mini-x.

Thanks for your response.

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Old 12-31-2009, 10:49 PM
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This might give you a ballpark figure. It starts at F250/F350...just scroll down the F450/F550 section.....

2003 Ford Superduty Overview

Hope it helps...at least a little.
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Old 01-01-2010, 06:59 AM
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Hard to answer your question without knowing the weight of truck and trailer.
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Old 01-01-2010, 08:06 AM
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A regular cab F550 diesel, with a 1,000 lb body weight - (dump cart, but it is prolly more than 1K) - can bumper pull a max 16,000 pounds.
The GVWR is on the door pillar tag. It is the max loaded weight of truck and trailer.
Be sure you have the right load rating tires for both truck and trailer, the DOT will focus on that.
If you have short sides on the dump, say 18" and under, a gooseneck is the way to go.
You can haul a 24,500 lb gooseneck, and they are far better to manuver. Not really that much more money to buy either..I have a 2000 PDS 4x4 F550, and I want a 25K dual tandem deckover gooseneck dump. The sides come off, making it a deckover, and it's a full 8' wide inside the sideboards. The trailer will tare in around 10,000lbs, so I'd have a 15K payload...look into them. Search google for "craig'slist", use the apostrophe...a search box will come up and you can search all of craigslist for a trailer. The 25K D-T deckover gooseneck dump can be found in the south for $6,000-$10,000.


Last edited by oldtimer550; 01-01-2010 at 08:10 AM. Reason: Added link.
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