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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

rearend??

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Old Feb 27, 2013 | 09:19 PM
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rearend??

I have a 2003 F-350, 6.0L and was looking into changing fluid over to Amsoil and not real sure what kind of rearend is in the truck? My option when asked was either a Dana 80 or a 10.5. Looking for a little info and help! I also was told that I have to add an additive to it, what kind and where do I get it?
 
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Old Feb 27, 2013 | 09:20 PM
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Do the 6.0L also have a Torque shift tranny or a 4R100??
 
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Old Feb 27, 2013 | 09:58 PM
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This is a good reference for you:

https://www.fleet.ford.com/truckbbas...essd_03abb.pdf
 
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Old Feb 27, 2013 | 10:11 PM
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Your truck has the Torqshift 5R110W transmission. The 4R100 transmission was only mated to trucks equipped with the 5.4L and 6.8L 2-valve gas engines and the 7.3L diesel.

As far as your rearend goes, if it's a dually it has the Dana 80. If it's a single rear wheel, it has the Sterling 10.5.
 
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