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what do the numbers mean?

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Old 10-13-2003, 03:47 PM
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what do the numbers mean?

What do the numbers of the trucks mean? Ford used to have the 100 and now they have the 150. GM and Dodge have 1500.

I know the 150/1500 are 1/2 ton axles and the 250 is 3/4 and such. But where did these numbers start and what is the correlation between the number and the axle capacity?
 
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Old 10-13-2003, 03:49 PM
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Years ago I think the had something to do with load rating. But now they are there because they have used them for so long it is what we know.
 
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Old 10-14-2003, 12:12 AM
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so the 250 and 350 superduties have 3/4 ton axles correct?
 
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Old 10-14-2003, 10:53 AM
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Not really. In 03, both the F250 and F350 have the same rear axle (and springs) rated at 6830lbs. F250's come standard with a 3042lb tire, so the sticker on the door says 6084lbs for the rear axle.

Like Daimon said, the days of 1/2, 3/4 and 1 ton are gone. It's all what they are rated for.

Case in point...the rear axle of my truck weighs 2900lbs with a full tank. So take that from the 6084 and you get 3184lbs which is over a ton and a half. BUT...technically I am limited to the 8800lb gvwr so my legal payload is 1900lbs (almost a ton) because my truck weighs 6900lbs. Confused yet?
 




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