Thanks for all the replies. Especially noting that the dealer would first have to determine what is the issue with the tractor. This is my first "brand new" purchase of a big ticket item. I've got some learning curves. I will be patient and have faith in dealer. After all. They did pick it up...
Just purchased Branson 2515H. After using tractor for four hours, I started it next day and blue smoke belched out and engine knocked. It cleared up but I could still hear a tick and light knocking. I called dealer. They said it was a warranty issue and would not just give me a new tractor...