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How to Find the Serial Plate on Your John Deere Mower

A quick guide to locating the identification tag on riding lawn tractors and zero-turn mowers so you can order parts, confirm your model, or register your equipment with confidence.

Why the serial plate matters

Your John Deere mower’s identification tag (serial plate) includes both the model number and the 17‑digit serial number that identify your exact machine. Having this information handy makes it much easier to order the correct parts, schedule service, or register your equipment with Koenig Equipment or in the John Deere system.

What does the ID tag look like?

The ID tag is a small metal or durable sticker plate mounted on the mower’s frame.

  • The model number appears next to or under a “MODEL” label on the tag.

  • The serial number is a 17‑character alphanumeric code located near the top or top‑right of the tag.

Where to find it on riding lawn tractors? 

On most John Deere riding mowers (lawn tractors), the identification tag is mounted near the rear of the machine on the frame.

  • First, look low on the frame close to the back left wheel; this is a very common location.

  • If you do not see it there, check under or just behind the operator seat area and along the rear frame rails.

Where to find it on zero‑turn mowers? 

On residential John Deere ZTrak™ zero‑turn mowers, the serial plate is typically found at the back of the machine.

  • Stand behind the mower and look on the frame just above the engine or immediately below/around the engine area.

  • Some models position the tag slightly under the rear frame cross‑member, so you may need to crouch down or use a light to see it clearly.

Tips for reading and using your serial number. 

Grass buildup, dust, or wear can make the tag hard to read, so gently wipe the plate with a cloth to bring the letters and numbers into focus. Once you have the model and serial number, you can:

  • Look up parts diagrams and order genuine John Deere parts online through Koenig’s John Deere Shop, which lets you search by model or serial number.

  • Share the numbers with your Koenig Equipment support team so they can quickly match the correct parts, service information, and manuals to your exact mower.