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Old 02-18-2015, 12:19 PM   #15
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Originally Posted by Top View Post
My 2014 RAM 1500 axles are rated at 3,900 each and a GVW of 6,950.

Attachment 232684
Yeah I think the diesel's is just a tad bit more. I need to double check that point. I just repost this so often getting confused.

Originally Posted by crispyboy View Post
Hey BA,
I'm not following your thoughts on this. Where is the problem with what Ford is posting on the door sticker?
The forum payload police, if you aren't over loading the axle you'll be fine, IMO.

Me 200lbs over my payload is lot different than an F150 200lbs over payload. As they'll be closer to the axle rating than me. That's my thinking.

Also a lot of stink is made over the Ram's GVWR vs the Ford's. I wanted to demonstrate the differences in math used by each company.

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Old 02-18-2015, 12:24 PM   #16
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After seeing the door sticker from the Dodge I see what you mean. I wonder why the Chrysler engineers are so conservative with their GVWR? whereas FOMOCO takes it to the max?
Just guessing but it may have to do with the suspension - leaf spring vs. coil spring

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Old 02-18-2015, 12:36 PM   #17
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Could be. It could be that there is no actual standard to GVWR determinations outside of the legal department which is my theory. I have never been able to find an explanation of how max GVWR is determined. Other than trying to beat certain federal standards by weighting a certain amount or saying your GVWR is a certain amount.

Kind of like how Cross Overs where rated as trucks for so long, and thus didn't have to comply with the fuel standards that the government set for cars.

Really just guessing at this point.
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Old 02-18-2015, 12:37 PM   #18
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Ram trucks seem to have the lowest payload numbers not only in 1500 but also in HD series. My question is, if GVWR was only related to axle ratings, what prevents Ram from increasing the payload number? Is there any other factor in play besides axle ratings? Do we have any auto engineer in the forum to explain what decides the GVWR? (BTW, I don't buy the argument by some folks here that say this number is BS and should be ignored).
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Old 02-18-2015, 12:51 PM   #19
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Originally Posted by Jukeboxfun View Post
Hi, New here, first post. I did a search here on this subject but didn't have any luck.

I am thinking about getting an airstream and am wondering which models I could safely tow with my 2009 Dodge ram crew cab, Big horn with the 5.7L Hemi? The best I can find the specs say 7,300 LB is the limit for this truck, sound right? Thanks
You can lookup your VIN on the RAM website.
Ram Trucks - Towing Capacity Chart
Click on the red "LOOK UP MY VEHICLE" button and enter your VIN.
Is that where you found the 7,300 number?

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Old 02-18-2015, 01:00 PM   #20
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It does appear these numbers are arrived at by the manufacturer and I'm still arguing it's 1 part engineering, 1 part trying to meet regulations, 1 part liability.

In the United States, two important GVWR limitations are 2,700 kg (6,000 lb) and 3,900 kg (8,500 lb). Vehicles over 6,000 lb are restricted from some city roadways (though there is some dispute about whether this restriction is for actual curb weight or GVWR). Vehicles over the 8,500 lb threshold are required to have insurance under Section 387.303 of the Motor Carrier Act of 1980.
Gross vehicle weight rating - Wikipedia, the free encyclopedia
Truck classification - Wikipedia, the free encyclopedia
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Old 02-18-2015, 01:02 PM   #21
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Also see this to figure out what you are rated at:
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Old 02-18-2015, 03:40 PM   #22
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What you really care about is the GCWR, or gross combination weight rating another words what you can stop and pull without burning up your transmission and brakes.

And according to the Ram 2009 chart your trucks GCWR is between 11,500lbs to 14,000lbs. These weights are determined, by transmission, oil cooler, tire size and ply or weight rating, and axle ratio.

Here is the link I found

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Old 02-18-2015, 04:14 PM   #23
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I don't know about the numbers, axels and things, but I can tell you this: I have towed my loaded 23' International with my Dodge 1500 Ram ( Hemi) from Vancouver to Belize and back; from Vancouver to NFLD and back, from Vancouver to Cabo San Lucas and back and now at 10,000 ft above sea level in the Sierra Madres of Mexico. No Problems! Up steel mountain roads across deserts and no problems at all.

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Old 02-19-2015, 01:23 PM   #24
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Well I did some looking and here is what I have from the door sticker and build sheet. So my max is 6,800 lb ?

GVW Rating - 6800#
205MM HD Front Axle
3.55 Rear Axle Ratio
Corporate 9.25 LD Rear Axle
Conventional Differential Frt Axle
Conventional Differential Rear Axle
7 Pin Wiring Harness
Trailer Tow w/4-Pin Connector Wiring

GAWR front 3900 lb GAWR rear 3900 lb GVWR 6800 lb

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