* On the left side of the frame or on the rear axle.
* Near the engine or transmission.
* On the engine housing, between the starter and the carburetor.
* On a raised section on the seat pan
* On a tag that is attached to the frame.
* The serial number for Sears Lawn Tractor is 10 to 16 characters in length.
Note: The serial number format may vary depending on the model and age of your tractor.