Weight rating

On the registration for my Dodge 3/4ton HD CTD, there is a value referred to as net weight. Does anybody know what this actually means? For example is
it net of all fluids ie: engine oil, transmission oil, etc?
Also, on what basis does Chrysler decide the GVWR rating?
There is a reason for this question. So I'd appreciate some input. Thanks
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Dennis wrote:

The net weight is generally the shipping weight from factory. GVW is determined by basically frame, spring and tire capacity. Depending on the model, sometimes it is not hard to safely increase it some. Not blanket rule though
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referred to

example is

Thanks
Depends on the state and what type of registration it is. In NY it generally means the wet weight of the vehicle with all fluids and a full tank of fuel. Subtract that number from the GVWR and you get the payload capacity of the vehicle.
GVWR is a difficult item. Start with the tires. springs, axle ratings, frame type, lubricants used, engine/trans combo, how the computer is programmed all play a part as do cooling systems and braking. For instance one of Fords trucks gains something like 400 pounds capacity by using a different rear end lube, BUT if you bought the lower rated truck and added that oil to it that will not change the rating. You have to take the vehicle in and have it certified IF you alter it for increased ratings. Once you do that YOU become responsible for that rating. For instance say you bought a GM 1/2 ton but then put all the running gear from a 1 ton. Legally it still is a 1/2 ton. If you take it in and get it inspected for the higher rating YOU now take the place of GM as the vehicle builder. After that it gets interesting.
Steve W.
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