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Increase Towing Capacity

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  #1  
Old 07-16-2010, 01:52 PM
dodge97306 dodge97306 is offline
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Default Increase Towing Capacity

Is there any way to safely and or effectively increase the towing capacity? I have a 2007 2500HD with the 5.9L diesel. Factory towing. I tow a 9,000lb dry weight bumper pull toy hauler today, with no problems. I'm looking at 38 and 40' 5ers. One that I really like is 14,000 lbs dry weight. Any chance I make this happen with this truck?

Quad Cab; 4x4; Long bed
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Old 07-16-2010, 02:34 PM
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Gearing would be your only way of effectively increasing towing capacity since you have 17" rims and 31.5" tires already.
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Old 07-16-2010, 03:50 PM
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i'd go with a 5th wheel or gooseneck setup
and air bags or add a leaf to your truck
also do a gear upgrade
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Old 07-16-2010, 05:15 PM
dodge97306 dodge97306 is offline
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would this be the 456's?
If I change the rear gears do I need to change the front gears?
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Old 07-16-2010, 05:22 PM
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would this be the 456's?
If I change the rear gears do I need to change the front gears?
Yes 4.56 would be good and yes (if you still want a 4x4)
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Old 07-16-2010, 05:36 PM
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excellent, thanks for your help.
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Old 07-16-2010, 08:37 PM
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Towing capacity is towing capacity. Nothing you can do will change it. If you're over-weight and wreck it, you're toast.
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Old 07-16-2010, 08:48 PM
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Quote:
Originally Posted by MikeHTally View Post
Towing capacity is towing capacity. Nothing you can do will change it. If you're over-weight and wreck it, you're toast.
+1 You can do things (like gears) that make it easier on your truck to tow, but you cannot change the rated capacity.

Your rate towing capacity is derived by many things by the manufacturers such as frame rigidity, the entire drivetrain, suspension, brakes, wheels, tires, etc.
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Old 07-16-2010, 11:09 PM
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Quote:
Originally Posted by MikeHTally View Post
Towing capacity is towing capacity. Nothing you can do will change it. If you're over-weight and wreck it, you're toast.

Towing capacity is towing capacity but it's equipment dependent! A WD hitch INCREASES rated towing capacity as does the wheel size, a QC Hemi 1500 for example is rated to tow 1000# more with 17" tires than 20" tires.

A 4x2 has approx. 400# greater towing capacity than a 4x4.

I dunno the specs on 2500s or diesels, but increasing from 3.55 gears to 3.92 alone in a 1500 Hemi increases towing capacity by about 900 lbs.

To the OP: If you have 3.73 gears then a step up to 4.10s or even 4.56s would increase towing capacity and also make life a lot easier on your transmission.
Your truck will run if you only do the rear gears, but if you EVER switch into 4 wheel drive, you'll have to tell the flatbed driver to go back and get your transfer case and transmission off the side of the road AFTER he loads your truck up!!!
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Old 07-16-2010, 11:42 PM
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I can tell you if you are stopped and wieghed and are heavier than then your rated wieght you will get a ticket. In my case I was under the vehicles gross wieght but the company decided to save some money and only registered the truck for 6,000# and I was carrying 10,500#. Gross physical limit was 11,000# for the truck. I was allowed to drive off with a $1600 ticket. I believe I would have had to unload the truck if it had actually been over the vehicle's rated wieght, but not sure.
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Old 07-17-2010, 01:39 AM
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As mentioned earlier, nothing you do to your truck will change the sticker on the door that says 9000 lbs. @ 38-40 ft, you would be better off with a 1 ton dually. You truck can pull that load all day long with a lot of weight to spare but stability could be an issue. In texas, I see 3/4 tons pulling looong A$$ 5th wheels all the time. I tow a 28' 5er with no issues. I believe 4.10 is about as tall as you would want to put in your truck (diesel), 4.56's are usually found in the gassers. Again your truck will tow the **** out of a 40'er, even with 3.73's. Your 5.9 is workhorse. Use your best judgement.
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Old 07-17-2010, 08:09 AM
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Quote:
Originally Posted by RedTruck-VA View Post
I can tell you if you are stopped and wieghed and are heavier than then your rated wieght you will get a ticket. In my case I was under the vehicles gross wieght but the company decided to save some money and only registered the truck for 6,000# and I was carrying 10,500#. Gross physical limit was 11,000# for the truck. I was allowed to drive off with a $1600 ticket. I believe I would have had to unload the truck if it had actually been over the vehicle's rated wieght, but not sure.

Very good point! Many states allow you to register your truck for various GVWR limits. Don't register your truck for a lower rating to save a couple bucks and then tow above that limit.
The resulting ticket if you get caught will cost you a hell of a lot more than properly registering it will.
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Old 07-17-2010, 01:35 PM
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Here in NY they go by registered weight. So in reality I could register my 1500 series truck for 20,000lbs and get away with it as long as I pay the registration fee. Pretty silly right?
My trailer is actually rated for 5,000lbs on the factory tag, but since I have it registered for 7,500lbs I got out of a ticket when they threw me on the scales weighing in at 6700lbs. I only did that because my axles/bearings and frame are all heavy duty 7k rated. I did the extra 500lbs for a saftey measure.
Not all states are the same so check with your local laws. if you get pulled over in another state, they go by your state laws usually since you are a passer through and not a resident.
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Old 07-17-2010, 04:21 PM
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I dont know if they hardly even weigh you here....ive towed a million times and never been weighed.
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Old 07-17-2010, 04:45 PM
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I was weighed on a back road. Normally the Statie's only weigh commercial vehicles, but I had an oversized load of wood and when they stopped to make sure I had a trailer inspection they thought I was overweight so they put my trailer on the scales. Good thing for me getting the trailer inspected every year because most guys don't even bother.
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Old 07-18-2010, 12:41 AM
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ive never got a trailer inspected
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Old 07-18-2010, 03:37 AM
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ive never got a trailer inspected
some things are just a little easier in the south. (insert redneck joke here)...but we don't get hassled for any of the stuff the "yanks" get picked on for i.e. HID's too bright, too wide of tires, bumper's too tall, ...etc. Sure we have state inspection ($40) in metro areas for smog testing and much less in rural areas. Registration for my truck is around $70 yearly. Crazy how different it is around the country. Poor bastards in some states paying $3.25 a gallon for 85 octane and $3k a month for a house that just lost half it's value. I think I just ranted a bit. Sorry, slow night in the ER in Ft Worth, yea it happens. Sorry for Jacking the thread. God Bless Texas!!! So
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Old 07-18-2010, 08:37 AM
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Was always like that in Georgia too. I was amazed at how laid back the cops were compared to NY when I moved south for college in '91.

But times are a changing! I think all towns and counties are seeing the opportunities for revenue by checking and fining for EVERYTHING anymore and it's really pissing off the old timers who are set in their ways and got away with stuff for years that they are getting nailed on now...
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Old 07-18-2010, 09:16 AM
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Quote:
Originally Posted by RedTruck-VA View Post
I believe I would have had to unload the truck if it had actually been over the vehicle's rated wieght, but not sure.
yep, if its commercial you will, or atleast shift it around until your axle weights are right. after being stopped for being over weight a few times and having to slide the 5th wheel and the tandem axles on the wagon(big truck) i found my way around the scales. if you're worried about being over weight, find out what the limit is on the truck and go hit a cat scale.
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Old 07-18-2010, 11:14 AM
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Trade up to a 3500 and be done with it and it doesn't have to be a dually either unless you want one. There's a lot more to increasing tow capacity than rear diffs and leaf springs. With a 1 ton, everything is upgraded from the factory to handle the extra capacity. 1 ton trucks have heavier duty components than their 3/4 ton counterparts like brakes, suspension, drivetrain and cooling system. Plus the legality of towing rigs rated higher than rated capacity of your truck can be a pain in the *** as well. It's only a truck, not your momma. It can be replaced.
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