sunstardude
Believe your question is a bit leading, perhaps even suspect. I wish kubota had chosen another tier 4 path, avoiding the DPF. That said, their engines are practically bullet proof. A testament to this statement is kubota ownership, Review the avatar of many members. Often folks with new or newer kubotas, still own their original model from 25, 35, and more years gone by. These vintage tractors still hold monetary and sentimental value, So what was your concern regarding engine durability? Yea, thought so.