Good Sam Club Open Roads Forum: Tow Vehicles: F450 vs F350 SRW payload
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 > F450 vs F350 SRW payload

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MFL

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Posted: 01/01/20 11:58am Link  |  Quote  |  Print  |  Notify Moderator

Cummins12V98 wrote:

4x4ord wrote:

Cummins12V98 wrote:

SCREW the 14k, the 450 will handle and carry more weight than the 350 plain and simple!


The F450 is a nicely upgraded 1 ton but based on axle rating the 350 can carry more ..... tire rating? The 350 puts more rubber in contact with the road so I'm not sure who wins there? 450 win on brakes. I think the frame is identical.


What is the MAX carrying capacity of the 450's rear tires compared to the 350's?

Quit looking at "RATINGS" and look at reality.


This^^^^while the paper printed numbers have their purpose, reality is the 450 is much more capable. After so many discussions about GVWR vrs axle/tire rating, don't see why some still don't understand the difference.

Jerry





NRALIFR

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Posted: 01/01/20 02:23pm Link  |  Quote  |  Print  |  Notify Moderator

The tires my 2016 came with are Continental 225/70R19.5 HSR/HDR’s, and they are good for 3750 each @ 110 psi. So, 15,000 lbs for the rear axle, and IIRC the Dana S110 is rated for that or close to it as well. Nobody is ever going to load an F450 pickup such that the rear axle would weigh that much. Plenty of reserve capacity though.

[emoticon][emoticon]


2001 Lance 1121 on a 2016 F450


Cummins12V98

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Posted: 01/01/20 03:27pm Link  |  Quote  |  Print  |  Notify Moderator

NRALIFR wrote:

The tires my 2016 came with are Continental 225/70R19.5 HSR/HDR’s, and they are good for 3750 each @ 110 psi. So, 15,000 lbs for the rear axle, and IIRC the Dana S110 is rated for that or close to it as well. Nobody is ever going to load an F450 pickup such that the rear axle would weigh that much. Plenty of reserve capacity though.

[emoticon][emoticon]


To clarify, is that for single or dual capacity?


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noteven

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Posted: 01/01/20 03:31pm Link  |  Quote  |  Print  |  Notify Moderator

So is a F450 like Ford put 19.5’s ( and wt steer axle) on a F350 thinking that increases capacity without checking here first?

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NRALIFR

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Posted: 01/01/20 04:13pm Link  |  Quote  |  Print  |  Notify Moderator

Cummins12V98 wrote:

To clarify, is that for single or dual capacity?


Dual. The single capacity is 3970 lbs.

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NRALIFR

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Posted: 01/01/20 04:26pm Link  |  Quote  |  Print  |  Notify Moderator

noteven wrote:

So is a F450 like Ford put 19.5’s ( and wt steer axle) on a F350 thinking that increases capacity without checking here first?

[emoticon]


Yes, just like it.

Except, the F450 pickup has axles that are intended for 19.5’s, and are rated higher by the axle manufacturer, and bigger brakes to go with the 19.5’s that are much heavier than the tires and wheels available on the F350’s, which increases the unsprung weight, rotational mass and momentum, which has a negative effect on the brakes ability to stop the vehicle. The 19.5’s also factor into other suspension components like the springs and shocks chosen for the vehicle.

Other than that, it’s exactly the same. [emoticon]

[emoticon][emoticon]

* This post was edited 01/01/20 04:36pm by NRALIFR *

noteven

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Posted: 01/01/20 04:38pm Link  |  Quote  |  Print  |  Notify Moderator

NRALIFR wrote:

noteven wrote:

So is a F450 like Ford put 19.5’s ( and wt steer axle) on a F350 thinking that increases capacity without checking here first?

[emoticon]


Yes, just like it.

Except, the F450 pickup has axles that are intended for 19.5’s, and are rated higher by the axle manufacturer, and bigger brakes to go with the 19.5’s that are much heavier than the tires and wheels available on the F350’s, which increases the unsprung weight, rotational mass and momentum, which has a negative effect on the brakes ability to stop the vehicle. The 19.5’s also factor into other suspension components like the springs and shocks chosen for the vehicle.

Other than that, it’s exactly the same. [emoticon]

[emoticon][emoticon]


[emoticon] [emoticon]

4x4ord

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Posted: 01/01/20 05:28pm Link  |  Quote  |  Print  |  Notify Moderator

noteven wrote:

So is a F450 like Ford put 19.5’s ( and wt steer axle) on a F350 thinking that increases capacity without checking here first?

[emoticon]


No Ford claims the F350 has a higher carrying capacity than the F450 has ..... it's some of us on here that have a hard time believing Ford is being up front with what they're talking about.

Cummins,
What would you say is the limiting factor on what an f450 can carry? Is it the suspension? The Frame? What about the F350? I think the F450 is limited by its suspension. I think the F350 is also limited by its suspension and I'm guessing they both have the same rear srings, unless you go to the 2 wheel drive f350.... then you get suspension rated to carry a little more. The f450 has more braking, stronger axles, more wheel bolts and same frame. The tires I don't know, but I'm guessing maybe the 19.5 tires are rated to carry more than 17's even though the 17's have bigger tire to road contact point.... the 19's can likely take more air? Without modifying the f450's suspension I don't know how you claim it is built to carry more than what its suspension is rated for?


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NRALIFR

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Posted: 01/01/20 05:44pm Link  |  Quote  |  Print  |  Notify Moderator

The only complaint I’ve had about the two F450 pickups I’ve owned regarding their suspension, and I believe this is a common complaint, is that they squat a little more than I’d like when you max out the gvwr.

I’ve put upper Stableloads on, and the squat is acceptable, but I’ve also had a recent issue where the Stableloads were essentially work hardened and shattered by a long stretch of washboard road. Torklift sent me a new set, but if I have any more problems with them I’m going to do what I feel I should have done all along and take the truck to a spring shop. I’ll have them remove the single leaf overload spring and install a 2 or 3 leaf pack that engages a little sooner than the OEM.

Then, it will be perfect. For me, that is. [emoticon]

[emoticon][emoticon]

* This post was edited 01/01/20 06:01pm by NRALIFR *

Grit dog

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Posted: 01/01/20 06:14pm Link  |  Quote  |  Print  |  Notify Moderator

When you think limiting factors, while none of us are the guy that designed the truck, you can reasonably take whatever the max is for another trim level (because you can’t get accurate numbers with class gvw limitations).
IE if the cc dually 4x4 diesel has 5klbs of “rated” payload , but the rc gas 2wd has 7klbs, knowing that “most “ of the weight is going in the bed of either truck, it’s safe to surmise that the 5k lb truck is actually safe closer to 7klbs.
Some will argue this, but they typically are the folks who believe the published numbers but don’t understand vehicles or where the numbers come from.


"Yes Sir, Oct 10 1888, Those poor school children froze to death in their tracks. They did not even find them until Spring. Especially hard hit were the ones who had to trek uphill to school both ways, with no shoes." -Bert A.

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