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wd diesel ? | 
 
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   bradley6874  
   
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   Joined: 05 Sep 2010 Location: salisbury md Points: 1349  | 
  
   
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     Topic: wd diesel ?Posted: 18 Feb 2012 at 8:25am  | 
 
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   what is the difference in a wd wd 45 and diesel rearend or is there any is the tranny different ?   are the diesel rears geared heavyer or lower is ther any advantage to a diesel rear for pulling thanks for the info  
   
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   Brian Jasper co. Ia  
   
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   Joined: 11 Sep 2009 Location: Prairie City Ia Points: 10508  | 
  
   
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     Posted: 18 Feb 2012 at 8:54am | 
 
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I don't know if there is a difference between the WD and WD45 rear axle gears, the gear ratio for the 45 diesel is higher than the gas version. To get about the same HP from the diesel it had to turn faster. You can also get the ring gear and pinion out of a D17 to turn a few more RPM's in your WD45.
    
   
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   CTuckerNWIL  
   
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     Posted: 18 Feb 2012 at 9:08am | 
 
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Most WD's had spur gear transmissions so the top shaft which has the pinion gear for the differential is probably different. WD's with a curved shifter would have the same internals as a 45. 
   
  I wonder about the output shafts with final drive pinions, if they were different in the WD and 45. Also if there is a difference, what ratio is the final drive on WD's and 45's? Edited by CTuckerNWIL - 18 Feb 2012 at 9:10am  | 
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