Oil - A full synthetic 5W-40 or 0W-40 oil with a CK-4 rating…
Shell Rotella T6 is a favorite…
Oil filter - If your using an HH164-32430 Kubota oil filter, you can oversize to Wix 51515 or supersize to Wix 51773.
Look at Rock Auto for good prices, but watch the shipping costs…
Run to 100 hours...