not my lawn mower i have a 285 runs like a champ my friend 320 i have fixed a llot of things on this mower from other people working on it but from the start milky antifreeze i am thinking head gaskets have not pulled heads yet he cuts a lot of yards with it he has to have it back so soon doesnt give me time to go through it like i want like i did mine muffler has a lot of holes when i started pulling it down no antifreeze in it or oil but it is fine one minute when mowing and then dis down and stops when tune up all john deere parts