axle options for 2011 F250? - Ford Powerstroke Diesel Forum
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Old 07-05-2010, 02:38 PM
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axle options for 2011 F250?

Hi folks,

First post from a new user!

I'm considering placing an order for a 2011 F250, and I'm trying to figure out the axle options. I see:

* 3.31 Non-Limited Slip Axle Ratio
* 3.31 Electronic Locking Axle Ratio

My current truck (2005 Toyota Tundra) has a mechanical limited slip differential, and I love it. It's great in the winter when the roads are snowy/icy in patches, but with bare spots of dry pavement. It's also great when moving a trailer in/out of a site in hilly/wet/muddy/slippery conditions.

A locked rear axle is not a replacement for a limited-slip differential. Is the electronic locker axle a mechanical LSD axle when unlocked? Or is there simply no mechanical LSD option on these trucks?

Edit: I found a 2011 order guide PDF which indicates that Ford only provides mechanical LSD options for the F350 DRW and F450 trucks, and only in 3.73 and 4.30 axle ratios.

- Chris

Last edited by chrispitude; 07-05-2010 at 02:41 PM.
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Old 07-05-2010, 02:51 PM
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judging on how its all designed its probably not a mechanical design BUT the locker itself might be tied into the abs setup or a traction control setup where it can sense slip and whatnot then engage or just be activated by the driver. This is all just a guess but anymore thats how a lot of setups work
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