xtreme package with CVs and 4.10 gears?

[Doc Fluty]

My window sticker says i have 4.10 gears on my 2024 extreme. I also have CVs, and someone mentioned my knuckles or something being HD (cast/aluminum?) were different as well. Just trying to see what is what.

Someone said no matter what the sticker says, I have 4.56 gears as all xtremes got them. I know the only way to know for sure is to pull the diffs and count the revs... but what do you guys think? I like the 20 mpg on the highway but it does drop down going up hills... so I don't want to pay for new gears if I already have the 4.56

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[jadmt]

you have 4.56's...they are part of the extreme package. you have cast iron knuckles and standard rubicons have aluminum cast knuckles.. see where it says Optional equipment may replace standard equipment on the sticker.

 

[Ratbert]

Look at your build sheet. You can also find online calculators to figure it out based on seeing what your RPMs are at a given speed.

 

[Doc Fluty]

you have 4.56's...they are part of the extreme package. you have cast iron knuckles and standard rubicons have aluminum cast knuckles.. see where it says Optional equipment may replace standard equipment on the sticker.

Thanks for clearing that up.

I was wondering because it doesn't mention the 4.56s at all. The upgraded tires are listed and they are part of the package, so I thought the axles would be as well if they were different than the listed 4.10s.

 

[Doc Fluty]

"Look at your build sheet. You can also find online calculators to figure it out based on seeing what your RPMs are at a given speed"... Ratbert

I'll have to look for that.

 

[Cagle]

It's not on my window sticker either. When I went into my settings to change the tire size.
It did show 4.56. Like it states above, it is included with the package.

 

[2nd 392]

"Look at your build sheet. You can also find online calculators to figure it out based on seeing what your RPMs are at a given speed"... Ratbert

I'll have to look for that.

In the “Powertrain” section “Transmissions Axles Gears” 3’rd thread - calculator , chart for 65 mph, 35” tires, 410- 1715 RPM, 4.56- 1907. Tires vary, BFG runs small, but ballpark.

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