Had our 07 8010 on fire today was in a field with lots of turns and short rows and brakes got hot enough to start dried material packed in around brake discs. Combine was cleaned throughly this spring but not good enough around brakes. The stuff that came out was old hard dry matter.  This happend after only running about 100 acres for the year. I know I will be cleaning them regulary.  Also check your fire extiguishers luckily mine was ready to go never thought of making sure it was charged for sure. Fire ruined big wire harness under feederhouse luckily we were able to run after we taped up some of the bare wires.