Every John Deere machine carries a unique Product Identification Number (PIN). Learn where to find it, how to decode the 17-character code, and how to turn it into the right model year and the right parts.
In this guide
1. How to Decode a 17-Character John Deere Serial Number
PIN structure varies slightly by era and model family, so the layout below is the common modern pattern rather than a universal rule. The definitive decoder for your exact series is the operator's manual or your dealer.
What each segment typically encodes
| Segment | What it typically encodes |
|---|---|
| 1–3 | WMI(Wold Manufacturer Identifier— e.g., 1M = U.S. plant, LV = Europe, CB = other regions |
| 4–8 | MVDS(Vehicle Descriptor Section） |
| 9 | Check Digit — a verification digit that catches typos and tampering |
| 10 | Year Manufactured Code — see the table below (many large tractor series) |
| 11 | Factory/Plant Code — e.g., D = IVT, P = PowerShift, A = AutoQuad |
| 12–17 | Serial sequence |
Some machine families place the year code in a different position. Always confirm against the official documentation for your series before trusting a single character. See John Deere's "Interpreting Machine Serial Number" manual for the series-specific layout.
2. John Deere Year-of-Manufacture Codes
The calendar year is encoded with a single character. Codes skip the letters I, O, Q, and Z, and the digit 0, to avoid confusion. This table follows John Deere's official year-of-manufacture table.
Year codes (2010–2031)
| Year | Code | Year | Code |
|---|---|---|---|
| 2010 | A | 2021 | M |
| 2011 | B | 2022 | N |
| 2012 | C | 2023 | P |
| 2013 | D | 2024 | R |
| 2014 | E | 2025 | S |
| 2015 | F | 2026 | T |
| 2016 | G | 2027 | U |
| 2017 | H | 2028 | W |
| 2018 | J | 2029 | X |
| 2019 | K | 2030 | Y |
| 2020 | L | 2031 | 1 |
For 2001–2009, the year code is simply the last digit of the year (1 through 9).
3. Why Your Serial Number Matters
The PIN is the key that unlocks everything else about your machine. It is your unit's legal identity — and the fastest way to get accurate, model-specific answers.
What the PIN unlocks
| Purpose | What the PIN unlocks |
|---|---|
| Ordering parts | The exact factory configuration, so parts match your unit — not just a model name |
| Model year | The year-of-manufacture code converts directly to a build year |
| Recalls & warranty | Dealers and safety authorities verify eligibility using the serial number |
| Resale value | Buyers can confirm identity and age before paying used-market prices |
4. Where to Find the Serial Number on a John Deere
John Deere standardizes the tag position by machine family. Check the most likely spot first, then clean the area — dirt hides these plates fast. The official tag layout is described in John Deere's serial number (PIN) information page.
PIN tag location by machine type
| Machine type | Where the ID tag is located |
|---|---|
| Lawn tractors (100/200 series, X300/X500) | Under the front right wheel; if not there, near the back left wheel |
| Residential ZTrak™ zero-turn mowers | Rear of the machine — on the frame above the engine, or underneath the engine |
| Compact & utility tractors | Right side of the frame above the front axle; some models use the left frame rail or a chassis plate under the seat |
| Large agricultural tractors | Frame or chassis plate — position varies by series; check the operator's manual |
| Gator™ utility vehicles | On the frame below the seat |
| Skid steers | Rear frame near the left wheel |
| Combines | Main frame near the cab, or the left front side |
| Attachments & implements | Tongue or frame plate |
| Engines | Stamped directly on the engine block — a separate 13-digit engine serial number |
Newer riding mowers carry a QR code label on the rear fender, left of the seat. Scan it and the John Deere owner-support page opens with your serial number pre-loaded — no typing required.
5. Model Number vs. Serial Number vs. Engine Number
These three numbers answer different questions. Mixing them up is the most common cause of wrong-part orders.
Three numbers, three jobs
| Number | Format | What it identifies | Where it lives |
|---|---|---|---|
| Model number | e.g., Z235, 1025R | Series and configuration | Under "MODEL" on the ID tag |
| Serial number (PIN) | 17 characters (newer); 13 on older units | The complete machine identification | On the ID tag |
| Engine serial number | 13 digits | The engine itself, not the machine | Stamped on the engine block |
6. How to Look Up Your John Deere Serial Number
A serial number lookup takes under a minute once the tag is found. Follow these four steps:
Locate the ID tag using the location table above.
Record both the MODEL and the serial number — parts systems need both.
Run the lookup through an official channel below.
Verify the year and part numbers against your machine before ordering.
Official lookup channels
| Channel | What you get |
|---|---|
| John Deere Parts Catalog | Official parts lookup by model + serial number — free to browse at partscatalog.deere.com |
| John Deere dealer | Full verification, service history, and recall checks |
| Operator's manual | PIN interpretation specific to your exact series |
| QR code label (newer mowers) | Owner-support page with the serial number pre-loaded |
Once your PIN is decoded, you can skip trial-and-error and order the correct replacement components directly from the John Deere parts collection at SINOCMP — filter by your model for a clean match.
7. What a Serial Number Cannot Tell You
The PIN is an identity code, not a history report. It does not contain:
- Operating hours — hour meters are separate instruments.
- Ownership or service history — only a dealer can retrieve this.
- Recall status — check with your dealer or the CPSC recall database using the serial number.
- Telematics or GPS data — these live in separate systems.
8. Frequently Asked Questions
Where is the serial number on a John Deere lawn tractor?
On most lawn tractors, the ID tag sits under the front right wheel; otherwise, check near the back left wheel. The engine serial number is stamped on the engine block.
How do I find the year of my John Deere from the serial number?
Find the year-of-manufacture character in the PIN (position 10 on many large tractor series) and match it against the year-code table above. For older machines, the code is the last digit of the year.
Is the serial number the same as the model number?
No. The model number (e.g., Z235) identifies the series; the serial number uniquely identifies your individual unit and carries build-year information.
Can my serial number tell me if my machine is recalled?
No — recall status is not encoded in the PIN. Provide the serial number to your dealer or check the CPSC recall database directly.
9. Final Thoughts
Your John Deere serial number is the key to the whole support ecosystem — correct parts, accurate year, and verifiable identity. Find the tag, decode the PIN, and confirm every lookup against official channels before you buy.
And when it's time to order, explore genuine and aftermarket John Deere replacement parts from SINOCMP to bring new life to your John Deere machine.
Need John Deere parts?
Browse replacement parts organized by model at SINOCMP.
Official references
- John Deere — Serial Number (PIN) Information
- John Deere Manuals — Interpreting Machine Serial Number
- John Deere Manuals — Interpreting Engine Serial Number
- John Deere Sales Manual — Serial Number Information
- John Deere Official Parts Catalog
- CPSC Recall Database
Compiled and fact-checked by SinoCMP technical editors · Last verified September 16, 2026. PIN layouts vary by series and year — always confirm with your operator's manual or a John Deere dealer before ordering parts.
© 2026 SINOCMP · This guide is independently written for parts-sourcing support and is not affiliated with or endorsed by Deere & Company. John Deere is a trademark of Deere & Company.
