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3.55 or 3.73 on 2015 3.5L EcoBoost V6?

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Old 04-22-2015, 09:50 AM
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Originally Posted by lhnkele
Ok, it says the GAWR ratings can be found on the Safety Compliance Certification Label on the vehicle...

Anybody have a similarly equipped vehicle and what to share?!


I'm not in the market for a 2015 - my 2013 isn't even 2 years old yet and only has 21,000 miles on it.


However, I have been looking at them at my local dealer just to be able to add exactly this info to a discussion. On the lot in inventory they primarily have the short and medium bed lengths, but they have similar GVWRs and payload capacities to the long bed you're considering.


The online spec info says the trucks I've been looking at have payload capacities in the range of 2000 lbs, and GVWRs of around 7000 - about exactly the same as the truck you're thinking of.


But, when I look at the stickers on the door they all have in the range of 1450 to 1550 lb payload capacities.


That's what happens when you start adding options onto a truck - the real world numbers are WAY less than the "sales" info numbers!!!


Below are the stickers on the door of my heavily optioned 2013 King Ranch - it has a VERY low payload capacity due to a high trim level package, off-road option that adds skid plates, moon roof, etc., etc. And to top that off, after adding a couple of aftermarket options such as my bed liner and folding tonneau cover, the payload is 95 lbs less than that on the door sticker! You can see the top sticker is the "compliance label" which has the GVWR, GAWRs, and that L9 down at the very bottom of the sticker is the rear end I have (3.55 e-locker), the bottom label has tire info and the ALL IMPORTANT payload capacity:


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The "sales" brochure info for my truck says that a SCrew short bed 4x4 like mine has a max payload capacity of 1520 lbs, but you can see the sticker on mine shows it's actually 405 lbs LESS than the "sales" info, and I weighed it with my bed liner and tonneau and the payload is down to 1020 - a full 500 lbs less than the "sales" numbers.

When you go to a dealer you can look at door stickers yourself. Unless you open the door on a work truck that has been ordered with virually no options, you won't see a payload capacity any where near 2000 lbs.


And....if you want a Heavy Duty Payload package you're probably going to need to special order the truck. Dealers typically do not order the HD trucks for inventory, so it will be very unlikely you'll find one on a dealer's lot to look at the stickers on an HD truck.


.

Last edited by KR Kodi; 04-22-2015 at 09:54 AM.
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lhnkele (04-22-2015)
Old 04-22-2015, 11:58 AM
  #12  
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Originally Posted by lhnkele
And aside from the additional payload capacity (2520/2760 vs 2030), what am I losing by omitting the Heavy Duty PayLoad Package?

The specs on the 5th-wheel I'm looking;
GVWR 9350lbs

You give up being able to order King Ranch or Platinum trim level, or the longer legs of less than 3.73 axle ratio. The fanciest you can get is the base-level Lariat trim, so you give up being able to order the mid-level or luxury-level Lariat trim packages.

With the normal pin weight of 17%, your pin weight will be about 1,600 pounds. The dry pin weight of that 5er is about 17% of dry trailer weight, so 17% is probably a good estimate for your wet and loaded pin weight. That 5er doesn't have much cargo weight capacity, so you'll probably be loaded right up to the GVWR of the trailer in the middle of your third long RV trip.


So the HD Payload package is required if you don't want to be severely overloaded. That's no big disadvantage for the 2015 model. Order XLT or Lariat trim and you'll get ordinary 18" tires and wheels, and those wheels are optional on XL trim wit HD Payload Pkg. But if you want better than Lariat base-level trim, then the HD Payload package is not available.

HD Payload Pkg on XLT or Lariat Supercab includes or requires:

- Max trailer tow pkg
-3.73 e-locker axle
-18" LT load range C tires with special wheels to handle the increased weight capacity.
-Upgraded springs
-Auxiliary tranny cooler

Note that for 2015 the Max Trailer Tow pkg does not include the tow mirrors, so you need to be certain to order those too.
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Old 04-22-2015, 12:20 PM
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You will need the HD payload and HD towing packages with the 3.73 axle ratio for your towing application. The price of an XLT with these options will have a window sticker price of just over $50K. The price of a super duty diesel XLT is not a whole lot more. Just throwing that out there.
Old 04-24-2015, 02:31 PM
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My long box, super cab, Lariat 5.0, has the hd payload package and 3.73 gears. It pulls hard and i have zero regrets in buying it. It regularly pulls a trailer weighing 10, 300 lbs. Pulls it just fine imo. Your not going to win any races with it towing 10k lbs of trailer....but it will crush my 2013 chevy also with a v8 i replaced.
Old 04-24-2015, 03:09 PM
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Originally Posted by KR Kodi
I'm not in the market for a 2015 - my 2013 isn't even 2 years old yet and only has 21,000 miles on it.


However, I have been looking at them at my local dealer just to be able to add exactly this info to a discussion. On the lot in inventory they primarily have the short and medium bed lengths, but they have similar GVWRs and payload capacities to the long bed you're considering.


The online spec info says the trucks I've been looking at have payload capacities in the range of 2000 lbs, and GVWRs of around 7000 - about exactly the same as the truck you're thinking of.


But, when I look at the stickers on the door they all have in the range of 1450 to 1550 lb payload capacities.


That's what happens when you start adding options onto a truck - the real world numbers are WAY less than the "sales" info numbers!!!


Below are the stickers on the door of my heavily optioned 2013 King Ranch - it has a VERY low payload capacity due to a high trim level package, off-road option that adds skid plates, moon roof, etc., etc. And to top that off, after adding a couple of aftermarket options such as my bed liner and folding tonneau cover, the payload is 95 lbs less than that on the door sticker! You can see the top sticker is the "compliance label" which has the GVWR, GAWRs, and that L9 down at the very bottom of the sticker is the rear end I have (3.55 e-locker), the bottom label has tire info and the ALL IMPORTANT payload capacity:





The "sales" brochure info for my truck says that a SCrew short bed 4x4 like mine has a max payload capacity of 1520 lbs, but you can see the sticker on mine shows it's actually 405 lbs LESS than the "sales" info, and I weighed it with my bed liner and tonneau and the payload is down to 1020 - a full 500 lbs less than the "sales" numbers.

When you go to a dealer you can look at door stickers yourself. Unless you open the door on a work truck that has been ordered with virually no options, you won't see a payload capacity any where near 2000 lbs.


And....if you want a Heavy Duty Payload package you're probably going to need to special order the truck. Dealers typically do not order the HD trucks for inventory, so it will be very unlikely you'll find one on a dealer's lot to look at the stickers on an HD truck.


.

That's with the stock "P" rated tires correct? So the HD package adds a lug and LT tires to get extra payload. What if he upgrades the tires as I have done?
Old 04-24-2015, 03:43 PM
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Originally Posted by Myersd1
That's with the stock "P" rated tires correct? So the HD package adds a lug and LT tires to get extra payload. What if he upgrades the tires as I have done?
HD Payload does a lot more than that.
Heavier frame (some models), springs (front and rear), shocks, wheels, rear axle ...
Old 04-24-2015, 04:37 PM
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Originally Posted by Myersd1
That's with the stock "P" rated tires correct? So the HD package adds a lug and LT tires to get extra payload. What if he upgrades the tires as I have done?


My truck came with P rated tires, and they can handle loads right up to (and more) than the GAWRs. You can see that my label shows my rear GAWR is 4050 lbs, and that's with the tires and wheels that come on it.


There is NO WAY to officially increase the payload capacity of a truck. You can add springs, Timbrens, inflatable air bags, RAS, LT tires and heavier duty wheels, etc., etc., etc., and none of those will increase change the payload capacity published on your door sticker.


They all may help with sag, sway, and stability when towing, but will not increase the payload capacity.


Here's info from the 2013 F150 brochure about the Heavy Duty package, which on my truck would increase the GVWR by 1000 lbs:


Heavy-Duty Payload Package (requires 301A; Regular


Cab and SuperCab with 8' box and SuperCrew with 6½' box;


restrictions apply) increases GVWR to 8,200 lbs. for improved


payload and towing; 17" 7-lug aluminum wheels; LT245/75R17E


BSW all-terrain tires; heavy-duty shock absorbers; upgraded


springs and radiator; auxiliary transmission oil cooler; rear


axle with 9.75" gear set and 3.73 limited-slip gear ratio






I don't know whether anything significant is done to the frame to handle the heavier weight, but the real important things to notice above are:
HD shocks
upgraded springs
and especially, rear axle with 9.75" gear set...


The upgraded rear axle probably has bigger/stronger hubs with the 7 studs to take the HD wheels, and that increases the rear GAWR to, I believe, 4800 lbs.


Bottom line:
my P tires will handle loads up to/greater than my rear GAWR, and heavier duty wheels and tires wouldn't increase the GAWR


nothing will "officially" increase the payload capacity of a truck


there are lots of aftermarket things that will help with sag and sway


the HD package has a bunch of stuff (shocks, springs, wheels, etc.) that significantly increases payload, and probably the most significant is a much heavier duty axle/hubs and bigger/beefier differential.
.
Old 04-24-2015, 05:15 PM
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Yes we must never exceed anything posted. If that rope you bought says maximum strength of 1000 lbs it will snap at 1001. If you drive 51 in a 50 zone the engine will explode. If you put 7 people in a boat listed for only 6 passengers the engine will die and you will be swept over a waterfall and all on board will die. Exceed redline by 3 rpm and the engine will blow the heads off and kill a bus load of nuns.
Use some common sense with these numbers.
I am not condoning that you try and carry 15000 pounds in the box of your f150 or tow a 60000 pound semi trailer.Don't try and race a corvette or jump it at 90 mph driving in the baja desert. ....but a few extra pounds here or there is not even going to get it up to the extra capacity they build in as a fail safe.
Take the ropes we use in my work.
They are only rated at 10 percent of what they can safely carry....to break them would actually require a lot more than that.
I have a fat friend....he actually laughs about exceeding the weight capacity of his motorcycle riding solo....yet he regularly doubles his wife to, and they carry extra cargo and go on longggg multi day, and even multi week rides....and his bike is problem free years and years and years later.
I just used a rope rated at a max of only 1150 lbs load to pull out stumps with my 310 backhoe....i had the engine at full throttle and could not pjll some stumps out and was jerking on the rope trying. I blew a hydraulic line on the 310 and could not snap the rope.
Slung a load in with a 66 that far exceeded what the book says it can lift and no issues.
Regularly tow more with my pickup than ford says it can tow.....zero issues.
Use some common sense! Do not drive down a twisty mountain road full of switch backs trying to average 90 mph....or you will crash loaded or empty.
It is not brain surgery....but manufacturers are so worried about being sued they test stuff to a real limit....then for the consumer they cut that real limit WAY down and tell us that is the maximum.

Last edited by WestsydeGuy; 04-24-2015 at 05:20 PM.
Old 04-24-2015, 06:00 PM
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Originally Posted by WestsydeGuy
....but manufacturers are so worried about being sued they test stuff to a real limit....then for the consumer they cut that real limit WAY down and tell us that is the maximum.


Yes - that's true. And insurance companies could play the same liability game. Regardless of how safe it might be to tow over the published weight limit ratings, if you are in a serious accident your insurance company might be smart enough to recognize that you are way over, and that could lead to a lack of interest in paying a claim.


I guess my concern for staying within published limits of equipment comes from my long career of not being able to exceed published weight limits of my equipment by an ounce. I had to meet many, many limiting requirements, and couldn't exceed any of them.


My concern with a way overweight F150 is that I may be out there on the highway with it. I think the best way on the forum to help avoid too many of those dangerous vehicles on the highways is to tell fellow forum members what they can really pull without overloading their truck.


Many owners think that just because the "sales brochures" or "salesmen" tell them they have a Max Tow truck with an 11,500 lb rated hitch, that they can hook up an 11,500 lb trailer with no problem.


If we tell them what will really keep the truck within published limits, then if they want to push the limits, at least they'll know that they are going beyond what the rated limits are instead of just being totally ignorant about it.


.
Old 04-25-2015, 12:41 PM
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I was told yesterday they deleted the Heavy Duty Payload Package option for the 2015s...


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