Answer:
Although it sounds like I work on a transportation device I actually work in a restaurant.
I do not contain flesh feather or scales; yet I have fingers and thumbs.
If you're looking for something sweet I know what to do. But if you don't like heat I'm not for you.
I can speak with my hard metal tongue. But I cannot breathe, for I have no lung. What am I?
I can wake you up in the morning but I require no electricity or winding.
I am owned by Old McDonald.