Identifying the Factory and Manufacturing Location Knowing these details can provide valuable insights into the tractor's history and help with troubleshooting or restoration projects. Additional information available in some serial numbers: Depending on the tractor's production year and model, some serial numbers may contain additional information such as optional features, modifications, or customizations.This information is invaluable when it comes to finding compatible parts, performing repairs, and conducting maintenance routines. Model of the John Deere tractor: The serial number often includes codes that indicate the specific model of the tractor.Understanding this information can help in identifying the origin and manufacturing details of the tractor. Factory and manufacturing location: The factory code within the serial number provides information about the specific factory where the tractor was built.This information is essential for maintenance, repairs, and determining the value of vintage tractors. Year of manufacture for the tractor: The serial number contains codes that indicate the year the tractor was manufactured.