Just did my 10 hr service on my 2013 gade with 20 hrs and 198 miles. I decided to change the front and rear differential oil even though the manual suggest the front being changed at 200 hrs or 4000 miles and the rear at 100 hrs or 2000 miles. The oil has a ton of silver flake in it. Is this normal? I don't abused my machine. I followed the proper break in procedure. I replace the front and rear diff oil with AMSOIL 75-140. Check out the attached photos.
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