Quick question on tow ratings

Grit dog wrote:

Cummins12V98 wrote:
PLEASE tell my WHY they have a 9,750# SAE rating on my rear axle and I can't load to that??? I don't care if I am hauling WIDGETS, same thing.

WHY are you YELLING?
Lol

BECAUSE I heard YOU don't listen and I am yelling at YOU so YOU hear ME!!! :B

Cummins12V98 wrote:
PLEASE tell my WHY they have a 9,750# SAE rating on my rear axle and I can't load to that??? I don't care if I am hauling WIDGETS, same thing.

Simple...that rating is for the rear axle. GVWR is a different rating.

It's like the newbie who says their unibody station wagon has a 6000lb tow rating but the hitch is limited to 300lb dead weight. Realistically they will never be able to pull 6000lb without exceeding the hitch limit.

Lantley wrote:

Cummins12V98 wrote:

Cummins12V98 wrote:

Lantley wrote:
Taking the idea that GVW is a performance and manufacturer's rating only.
Does that mean GVWR doesn't matter and can be ignored?
I don't think so. All the ratings have some significance and should be factored into your decisions.

I never get a good answer on this one.

How can I load my rear axle to it's RAWR of 9,750# and not add a single pound to it's front axle weight of 5,250# and be within the 14k GVWR???

I got booted off IRV.NET over disagreeing with SmokyWren a monitor on this subject.

No one wants to tackle this one??????

If I understand correctly you can't load to the full rear axle rating without exceeding your GVWR.
Much in the same way you can't tow a 15k bumper pull RV without exceeding the hitch rating.
Sure you may be within one rating but exceed others. I'm not sure what's so complicated about that!

Not true. Last time I loaded my rear axle 200lbs more than it's 3800lb rating. That lifted more weight off the front axle so the trucks rating was never exceeded.

Cummins12V98 wrote:
PLEASE tell my WHY they have a 9,750# SAE rating on my rear axle and I can't load to that??? I don't care if I am hauling WIDGETS, same thing.

WHY are you YELLING?
Lol

PLEASE tell my WHY they have a 9,750# SAE rating on my rear axle and I can't load to that??? I don't care if I am hauling WIDGETS, same thing.

Cummins12V98 wrote:

Lantley wrote:
What is your front axle rating? Is it 5250? Are you exceeding it at 5620?

6,000#

The ratings aren't as stupid as you are making them seem.
They are not designed specifically for 5th wheel RV trailers.
In your scenario you can't take advantage of the additional front axle capacity. But maybe some one who wanted to carry kayaks on the roof of the cab with a front bumper mounted support could. Or someone with a front receiver bike rack or cargo tray.
Each parameter represents a different dynamic. No one towing parameter tells the whole story. You can reach your rear axle capacity simply by loading a couple of pallets of granite tile.
Or granite tile and a cab full of workers may use up some front axle capacity.
While I'll understand you can't stay within all the parameters with your double tow combo. That does not invalidate the parameters or make them useless.
You and others are very comfortable towing outside of some of the parameters and that's fine. You have the experience and knowledge to safely feel your combo and travel down the road without worry.
However, not everyone has the knowledge or more importantly the first hand experience. For those that don't, understanding and staying within the towing parameters becomes more important.

rjstractor wrote:

Cummins12V98 wrote:
What IS complicated is that they have a rear axle rating that you simply can't load to without exceeding the GVWR.

Exactly. My 2000 F250 has a RGAWR rating of 6084 and a GVWR of 8800. To hit the RGAWR without exceeding the GVWR I'd have to unload the front axle to less than 2800 lbs (don't know how that's even possible with the heavy diesel engine) which would put a huge amount of stress on the frame and make it drive like a pig on roller skates. It would be much safer IMO to keep the front axle at 4000 or so, even though that puts me way over on GVWR. Adding my FGAWR and RGAWR together (like most commercial trucks) would put my GVWR at over 11,000.

It's all just plain STUPID!!!

Lantley wrote:
What is your front axle rating? Is it 5250? Are you exceeding it at 5620?

6,000#

The geriatric flex is strong in this thread…lol.

Cummins12V98 wrote:
What IS complicated is that they have a rear axle rating that you simply can't load to without exceeding the GVWR.

Exactly. My 2000 F250 has a RGAWR rating of 6084 and a GVWR of 8800. To hit the RGAWR without exceeding the GVWR I'd have to unload the front axle to less than 2800 lbs (don't know how that's even possible with the heavy diesel engine) which would put a huge amount of stress on the frame and make it drive like a pig on roller skates. It would be much safer IMO to keep the front axle at 4000 or so, even though that puts me way over on GVWR. Adding my FGAWR and RGAWR together (like most commercial trucks) would put my GVWR at over 11,000.