Okay, had a drive motor failure, so the machine is down, so, while waiting for the replacement drive motor I went ahead and pulled the motor.All in all, not that bad, total of about 4 hours to remove, not including the overnight delay(I had to get a swivel socket to get on the right front motor mount bolt, and still had to heat up the nut to break it loose) Motor is on the bench, oil pan has been repaired, checked out a bunch of stuff while it was out. Discovered the alternator had broken loose and destroyed the pivot bolt hole, putting the alternator at a 30 degree cant. The machine is at the end of it's lifespan for us, going up for sale as soon as it's repaired, so, instead of replacing the front motor cover, I fabricated up some brackets that attach to another two bolts on the cover, transferring the load off the damaged hole, now the alternator sits correctly positioned, and is adjustable the way it should be. Pics available if someone else has had this happen and wants a cheap fix. Engine bay cleaned, approximately 100lbs of accumulated crud removed. hopefully it will back in this week. Thanks for the tips some of you provided.