Diagnosing broken axle/blow diff

Can you post pictures?

 

Yes I can I will when I start tinkering with it today. I have a video of it too of everything spinning but I’m not sure how to post videos.

 

Can you post the last 8 of the vin?
I should be able to look it up on Navistar's website

 

SC043716

 

This is all their website tells me:

AXLE, REAR, TANDEM {International N-400I} Single Reduction, 40,000-lb Capacity, 200 Wheel Ends

 

And they are a pain to get parts for....

 

Would this be the same as a Spicer N400?

 

I can’t edit my last post but tye casting number on mine is 401OP102 and the used Spicer N400 carriers in seeing with Vander Haggs is 401CF102. It’s possible i misread it and mine is a CF not and OP since the OP number didn’t cross at all on a google search

 

Upon further examination it is a 401CF102 Spicer rear end. Some of you may have know this but I did not. This makes me feel better since drop out carriers are under $800 for an N400 if worst comes to worst and I have to replace it. Hoping to tear into it some today and see what’s going on back there.