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Discussion Starter #1
I recently had a ring gear failure on my Dynatrac prorock XD-60.
I found several teeth have cracks in the same location around the ring.
Has anyone heard of Dana having defective gears?
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Are you sure those are cracks? It looks like if they were, they would be catastrophic failures already.
 

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Multiple teeth have failed on the tip. That’s odd. Some odd contact, deflection of the carrier, or contamination? Run out of oil or get water/metal chips in it? Some fracture point lines look like immediate catastrophic fractures and some look more gradual with evidence of crack propagation over time...
 

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Discussion Starter #5
I heard a pop when I pulled out heading to work, I didn't think much about it until I arrived at work. When I got out I smelled gear oil, the whole back of the jeep was covered. There is a small hole in the cover, i assume that was the pop noise that I heard.
Due to my job I make a walk around inspection prior to driving always. It had no leaks prior to that morning.
 

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