The manufacturer’s website may have a search function where you can enter your tractor’s make and model, and it will return information about that tractor including its serial number. On the left side of the tractor, near the front, you will see a number labeled “Serial Number.” This is your tractor’s serial number.Īnother way to find your tractor’s serial number is to look it up in the manufacturer’s database. The easiest way is to simply look on the tractor itself. If you are looking for your John Deere tractor serial number, there are a few different methods you can use. How to lookup a tractor serial number on John Deere’s website.What if I don’t know my tractor serial number?.What is the difference between a tractor serial number and a tractor model number?.