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Old 07-22-2019, 06:17 AM   #1
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Payload? So why not add a leaf?

I ran across this product for an F-250 to "Add-a-Leaf" into the leaf pack. The kit purports to increase the payload capacity by 1100 lbs.

The video gives you an idea of how simple it is to install (although having a lift is Ideal) and the cost is minimal. I have heard that the difference between a single rear wheel F-350 is nothing more than an F-250 with an extra leaf spring. Well, it may not be that simple! This may add 1 1/2" of height to the rear (arg!) but 1100 lbs. of additional payload! That's nice.

Many here have said the ride difference between an F-250 and an F-350 are very similar. So why not do this to add even more stability? My F-250 diesel has a payload of 2100 I believe. Add the 30' Classic and ProPride hitch and I have about 800 lbs. leftover. Add two people and a large dog, 390 lbs. I carry about 350 lbs in the bed with cap, 60 lbs. left. It goes fast. Now add in the weight transfer with the weight distribution hitch and we might be back to 200-300 lbs. We are at the upper range.

Does this make sense? It seems like a very simple solution to a problem everyone here has to deal with. Kits are available for many trucks, and I realize you are not going to make an F-150 into an F-450, but given the similarities of the 250/350, this could work well. IMHO-WNEWTAA . (In my humble opinion with no experience with this at all)

Video:

https://youtu.be/9Asuh-cdYUo
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Old 07-22-2019, 06:51 AM   #2
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Sure it does. I’ve done it 3 times on other trucks. All GM products but same concept.
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Old 07-22-2019, 07:02 AM   #3
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Yep...as long as the drivetrain, tires and axles are up to specs.👍

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Old 07-22-2019, 08:46 AM   #4
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Sure, the kit will change how your truck carries weight. However, it will not change the data on your door sticker if that were ever to come into question by a DOT officer or after a major traffic crash.
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Old 07-22-2019, 09:18 AM   #5
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There is a recent thread on the payload frustrations and possible remedies on the ford truck forum - https://www.ford-trucks.com/forums/1...strations.html. Similar to airforums, everybody's got an opinion
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Old 07-22-2019, 09:28 AM   #6
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Agree with Robert Cross on this - short answer is yes, provided that.... (the rest of the truck meet the load spec) I have seen this done on F-150.
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Old 07-22-2019, 10:02 AM   #7
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Check Your Truck Weight Planning

Quote:
Originally Posted by turk123 View Post
I ran across this product for an F-250 to "Add-a-Leaf" into the leaf pack. The kit purports to increase the payload capacity by 1100 lbs.

The video gives you an idea of how simple it is to install (although having a lift is Ideal) and the cost is minimal. I have heard that the difference between a single rear wheel F-350 is nothing more than an F-250 with an extra leaf spring. Well, it may not be that simple! This may add 1 1/2" of height to the rear (arg!) but 1100 lbs. of additional payload! That's nice.

Many here have said the ride difference between an F-250 and an F-350 are very similar. So why not do this to add even more stability? My F-250 diesel has a payload of 2100 I believe. Add the 30' Classic and ProPride hitch and I have about 800 lbs. leftover. Add two people and a large dog, 390 lbs. I carry about 350 lbs in the bed with cap, 60 lbs. left. It goes fast. Now add in the weight transfer with the weight distribution hitch and we might be back to 200-300 lbs. We are at the upper range.

Does this make sense? It seems like a very simple solution to a problem everyone here has to deal with. Kits are available for many trucks, and I realize you are not going to make an F-150 into an F-450, but given the similarities of the 250/350, this could work well. IMHO-WNEWTAA . (In my humble opinion with no experience with this at all)

Video:

https://youtu.be/9Asuh-cdYUo
You may want to check the way your truck's manufacturer came up with it's weight capacity. I know they base capacities on 200lbs for each passenger, plus that number might be already subtracted out of what's left on the overall weight capacity. Not sure if I said that last part clearly. The weight you can put into your vehicle might already have 200lbs people factored in, so you might not have to subtract yourself, your better half, and a dog. My TV's weight capacity was based on 4- 200lbs people. Since my better half and I are the only passengers, I can add 400 lbs to the TV's carry capacity (2x200lbs). Not all vehicle makers base their numbers the same way, so you have to check with them to see the way they calculate their numbers.
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Old 07-22-2019, 10:09 AM   #8
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Quote:
Originally Posted by DAVSCH View Post
My TV's weight capacity was based on 4- 200lbs people. Since my better half and I are the only passengers, I can add 400 lbs to the TV's carry capacity (2x200lbs).
I'd be interested to know what manufacturer calculates payload like that. In the end though it doesn't really make a difference since a trip to the CAT scales with your GVWR and GAWRs are really all that matters for the TV.
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Old 07-22-2019, 10:23 AM   #9
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There are two ratings that you are working with. One is the GVWR and GAWR. The GVWR has nothing to do with the axles and springs but solely a chassis rating and the axle ratings are ratings of the axles/springs being able to carry the weight. You figure payload by subtracting the CAT scale weight of the truck from the GVWR equals the payload the truck can handle. So to increase the payload you have to increase the GVWR listed on the silver sticker on the door jam and of course, you have to stay within GAWR/GCWR/Tire Ratings.

Will it make the truck more capable to carry the weight - Yes. Does it increase the assigned payload of the truck - NO. Will you get pulled over and given a ticket for being overweight - Very Unlikely. Could it be a liability in an accident - Possibly."
Since the truck manufactures towing guides says "must not cause vehicle weights to exceed the rear GAWR (Gross Axle Weight Rating) or GVWR (Gross Vehicle Weight Rating). These ratings can be found on the vehicle’s Safety Compliance Certification" I wish everyone would follow their advice for their safety and others on the road, You're the captain of your ship and only you can decide is the risk worth the benefit.



PS In my state the insurance has to cover the cost of an. accident up to the limits on your policy. If you end up in court and found negligent the judge can make you pay back the insurance company the entire claim cost including court cost.
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Old 07-22-2019, 11:39 AM   #10
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My intention is not to add any more payload to the truck, and in fact, I have removed some of the weight (items) we really don't need. I am trying to get the best towing experience out of the truck.

I just found my CAT scale sheets. Will post a better picture in a bit.
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Old 07-22-2019, 11:56 AM   #11
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Before I would add a spring that would affect the ride either loaded or unloaded I would add Air Bags that can be aired down when not towing. You can also adjust the air pressure to handle different loading.



Quote:
Originally Posted by turk123 View Post
My intention is not to add any more payload to the truck, and in fact, I have removed some of the weight (items) we really don't need. I am trying to get the best towing experience out of the truck.

I just found my CAT scale sheets. Will post a better picture in a bit.
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Old 07-22-2019, 11:56 AM   #12
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My issue with my Dakota was the trailer hitch was stressing the truck frame since original spring rate was not adequate. The weight transfer bars were really curved and the hitch head was flexing up as it was lifting the rear end.
Solution was either beef up the hitch or as the spring shop suggested add a leaf and a helper. Really Glad I went that route
Truck now sits 1 1/2 in higher unloaded but I don't need near as much weight distribution
Truck has run that way now for 15 years. I do not consider the payload to.be increased
But weight distribution is much easier
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Old 07-22-2019, 01:05 PM   #13
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OK, here are the door stickers. As you can see, the Payload on the sricker is 2086.

My GAWR is a total of 12330 from the CAT scale, but you can't use that as the rear can only hold 6340. Subtracting the weight of truck from total GAWR would not work as a payload number as the rear could be overloaded.

The sticker shows GAWR rear as 6340. My Cat scale rear number loaded is 5400. You would subtract that from the sticker rear number GAWR to approximate the payload left. 6340-5400=940.

Cat scale shows 4800 front, 4240 rear with no load and bed cap added. Cat rear weight truck loaded with trailer and WD =5400.

5400 - 4240= 1200 This I assume would be tongue weight and loading rear tires with one person and dog. If I add the tongue weight calculated plus the remaining payload weight you get 1200 + 940= 2140. Is that right?

I also have the cat scale weigh slip for a loaded truck and trailer. Other weighs show 260 lbs. moving to the front truck tires and 200 lbs moving to the trailer tires.


With weight distribution

Steer = 4920
drive = 5400
trailer = 8840

No weight distribution is:

steer - 4640
drive = 5740
trailer= 8640

My brain hurts.
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Old 07-22-2019, 01:18 PM   #14
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Quote:
Originally Posted by DAVSCH View Post
You may want to check the way your truck's manufacturer came up with it's weight capacity. I know they base capacities on 200lbs for each passenger, plus that number might be already subtracted out of what's left on the overall weight capacity. Not sure if I said that last part clearly. The weight you can put into your vehicle might already have 200lbs people factored in, so you might not have to subtract yourself, your better half, and a dog. My TV's weight capacity was based on 4- 200lbs people. Since my better half and I are the only passengers, I can add 400 lbs to the TV's carry capacity (2x200lbs). Not all vehicle makers base their numbers the same way, so you have to check with them to see the way they calculate their numbers.
The payload capacity shown on the door jamb sticker has already factored in all fluids and a full tank of fuel, but it does NOT include the weight of a driver, passengers, or any other cargo. I'm fairly certain the same standard is used by all the major truck manufacturers.
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