Case 446 trans axle

   / Case 446 trans axle #1  

jeepfreak1972

Bronze Member
Joined
Feb 22, 2007
Messages
65
Location
MI
Tractor
Kubota L3800 HST
Hello. I just purchased a case 446 that needs some trans work. Can anyone tell me if all the trans gears from a 224 will fit in my 446? Thanks.
 
   / Case 446 trans axle #2  
I read on another site that the gear ratio is different to compensate for the big tires on 446.
 
   / Case 446 trans axle #3  
Hello. I just purchased a case 446 that needs some trans work. Can anyone tell me if all the trans gears from a 224 will fit in my 446? Thanks.

I'll answer your question first by say that "YES..they are the same."

However.... gear damage inside a Case or Ingersoll trans-axle is ultra-rare because they are oversize for the application and torque-protected by the relief valve in the hydraulic system.

If your 446 has an issue, it is most likely caused by the bolts holding the Hi and Lo Range gears to the centre section shearing off.

There is a document on this topic available in the FAQ's section at this site that explains all about that problem in great detail

CaseColtIngersoll Lawn and Garden Tractor Forum

There are also Service Manuals that outline how the trans-axle is dismantled and re-assembled at that same site.
 
   / Case 446 trans axle #4  
I read on another site that the gear ratio is different to compensate for the big tires on 446.

Would you kindly share the name of the site where you found that erroneous information? The readership here should be made aware of such things.

FACT: The gear ratios are identical between the Lo Pro Series and the Hi Wheel Series. It is the internal displacement of the hydraulic drive motor that compensates for the difference in rear wheel circumference.
 

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