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2011 axle ratio

 
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Old 07-05-2010, 01:09 PM
petei
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2011 axle ratio

What the best axle ratio for a 2011 F350 DRW when you pull a heavy trailer?Use to be 4:10 or 3:73.the rule still apply?
 
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Old 07-05-2010, 02:05 PM
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Could only find data on the 2010 models but here it is...

https://www.fleet.ford.com/showroom/...erDutyConv.pdf

If you truly have a heavy load get the highest gear ratio you can...
 
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Old 07-05-2010, 02:20 PM
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I heard that with the new 6 speed trans.you don't need a high ratio axle.
 
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Old 07-05-2010, 03:34 PM
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Check out this site for tow ratings for the 2011 SD....

2011 Ford Super Duty | View Towing Specifications | FordVehicles.com
 
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Old 07-06-2010, 09:06 AM
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2011 F350 SRW truck, 6.7 PSD with 3.55 gearing is rated at 23500 GCVW. Mine pulls the 13000 pound Big Horn like it is not even back there. The 6 speed trans takes care of the power transfer, you just drive.
 
 
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