Hello gurus
I have been having this noise from I'm thinking the front of the mower. Not sure because it seems like it might be the middle (drive shaft area)
Anyway It doesn't do it all the time but it does seem to be getting worst so either way I'm going to know before too long.

So my guesstimation was it may be the PTO or tranny related. Yet today while mowing I noticed what looked like oil seeping from the hot post of the S/G. Turn outs it was super hot and melting the gasket/seal around the thread going into the S/G. So now I'm thinking maybe I have a bearing going bad in the S/G and it's making the growl like noise I hear. Some more background would help I think.
My hydro has the trunion issue and I was thinking maybe there might be an issue with that while sitting idle which was making the noise. Or it's drive shaft related.
Except this is probably the least likely I feel since it sounds like it happens while the I'm moving/mowing even.
Now I thought maybe it was the PTO since it makes the noise regardless if it was engaged or not. My button is wearing but it appears to be functioning OK still. So not positive on this issue. When I shut the mower down it sounds like it still wants to keep "turning" Not the engine itself but whatever this issue is.. Today was the most noticeable I guess because the engine was pretty much killed and it still sounded like something was "engaged"
Man it's hard to describe noises.. I'm thinking about recording it if it might help any.