Where to Find Kubota Engine Serial Number & How to Decode?

Kubota engine serial numbers are unique identifiers that provide important information about each engine unit. Understanding the Kubota engine serial number is essential for maintenance, warranty claims, and identifying compatible parts or accessories. By decoding the serial number, you can access valuable information about your Kubota engine’s production details and specifications. Here’s a breakdown of how to decipher a Kubota engine serial number:

  1. Locate the Serial Number – The serial number is typically found on a metal plate or sticker affixed to the engine block. Common locations include the side or front of the engine block, near the starter motor, or on the valve cover.
  2. Understand the Format – Kubota engine serial numbers typically consist of a combination of letters and numbers. The format may vary slightly depending on the engine model and production year.
  3. Decode the Serial Number – The first few characters often denote the engine series or model. Following the prefix, there are usually numeric characters that represent the engine’s production sequence or batch number. Some serial numbers may end with additional letters or numbers that provide further details about the engine configuration or features.

Kubota provides documentation, such as service manuals or online resources, that offer guidance on interpreting engine serial numbers specific to each engine model and production year.

Serial Number Format (7 digits, After June 1, 2012)

How many digits is a Kubota engine serial number? Kubota engines manufactured after June 1, 2012, feature seven digits in their serial numbers, ensuring absolute uniqueness. Consequently, these serial numbers remain distinct irrespective of the production plant. Below are illustrations showcasing examples of Kubota Engine Serial Numbers for your reference:

New Kubota Engine Serial Number Format (7 digits)

e.g. Stamped Kuborta V3307 Engine Serial Number

New Kubota Engine Serial Number Decode

Kubota Engine Series in SN

Number Number Series
1 05 Series (including WG)
2 V3 Series (including WG)
F 05 Series (CRS)
G 09 Series
4 SM Series (including WG)
5 Air Cooled Gasoline
6 GZ, OC, AC, E Series
7 03 Series (including WG)
8 07 Series

Year of Engine Production in SN

Letter or Number Year
1 2001
2 2002
3 2003
4 2004
5 2005
6 2006
7 2007
8 2008
9 2009
A 2010
B 2011
C 2012
D 2013
E 2014
F 2015
G 2016
H 2017
J 2018
K 2019
L 2020
M 2021
N 2022
P 2023
R 2024
S 2025
T 2026
V 2027

Month of Engine Manufacture in SN

Month 1st Unit~9999th Unit 10000th Unit~19998th Unit 19999th Unit~20997th Unit 20998th Unit~21996th Unit
January A0001~A9999 B0001~BZ999 BA001~BA999 BB001~BB999
February C0001~C9999 D0001~DZ999 DA001~DA999 DB001~DB999
March E0001~E9999 F0001~FZ999 FA001~FA999 FB001~FB999
April G0001~G9999 H0001~HZ999 HA001~HA999 KB001~KB999
May J0001~J9999 K0001~KZ999 KA001~KA999 KB001~KB999
June L0001~L9999 M0001~MZ999 MA001~MA999 MB001~MB999
July N0001~N9999 P0001~PZ999 PA001~PA999 PB001~PB999
August Q0001~Q9999 R0001~RZ999 RA001~RA999 RB001~RB99
September S0001~S9999 T0001~TZ999 TA001~TA999 TB001~TB999
October U0001~U9999 V0001~VZ999 VA001~VA999 VB001~VB999
November W0001~W9999 X0001~XZ999 XA001~XA999 XB001~XB999
December Y0001~Y9999 Z0001~ZZ999 ZA001~ZA999 ZB001~ZB999

*Alphabetical Letters “I” and “O” are not used in Kubota Engine Serial Numbers.

How do You Decode an Engine Serial Number (Example)

If you’re having difficulty interpreting the serial number or need further assistance, you can reach out to Kubota customer support or a certified Kubota dealer. They can provide additional information and help you understand the specifics of your engine.

Kubota Engine Serial Number (V1505, Sample)

  • Engine Name: “V1505”;
  • Engine Series: “1” = 05 Series;
  • Year of Production: “N” = 2022;
  • Month of Production: “V” = October;
  • Sequence Number: “4252”.

Always obtain your engine’s serial number. This identifier assists in determining the engine model, identifying the correct service parts, and recognizing changes based on serial number breaks. The engine serial number is also invaluable when utilizing the Kubota service app, enabling you to locate dealers capable of providing service promptly.

Old Serial Number Format (6 digits, Before June 2012)

Serial Number Format Before 1997

4-6 numbers that are sequential with no breaks for production month or year.

Serial Number Format After 1997 – May 2012

Alpha-numeric (e.g., XJ5050 or 4J5050) with breaks for production month and year.

Old Serial Number Old Format (6 digits)

First Digit = Production Year

1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
V W X Y 1 2 3 4 5 6 7 8 9
2010 2011 2012
A B C

Second Digit = Production Month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
A C E G J L N Q S U W Y
B D F H K M P R T V X Z

* The letters “I” and “O” are not used in Kubota engine serial numbers.

Where to Find Kubota Engine Serial Number

The Kubota engine serial number tag is typically located at the top of the valve cover on all engines. This sticker contains crucial information such as the engine model, serial number, engine part number, and a barcode.

While this sticker may sometimes be difficult to discern or may wear off over time, rest assured that all engines have the serial number stamped onto the block as well. The exact location of the serial number on the block may vary depending on the engine series. To locate yours, simply identify your Kubota engine model and refer to the provided illustrations and descriptions below.

Kubota Super Mini Series

Serial Number on Kubota Engine Super Mini Series
Serial number located on the side of fixing point of injection pump

Kubota 03 Series

Serial Number on Kubota Engine 03 Series
Serial number located on the mounting surface of injection pump

Kubota 05 Series

Serial Number on Kubota Engine 05 Series
Serial number located below exhaust manifold. Over crankcase, flywheel side

Kubota 05 Series (CRS)

Serial Number on Kubota Engine 05 (CRS) Series
Serial number located below exhaust manifold. Over crankcase, flywheel side

Kubota 07 Series

Serial Number on Kubota Engine 07 Series
Serial number located below intake manifold. Over crankcase, flywheel side

Kubota 09 Series

Serial Number on Kubota Engine 09 Series
Serial number located below intake manifold. Over crankcase, fan side

Kubota EA/EL Series

Serial Number on Kubota Engine EA/EL Series
Serial number mounting surface at gear case side

Kubota V3 Series

Serial Number on Kubota Engine V3 Series
Serial number located melow intake manifold

Kubota OC Series

Serial Number on Kubota Engine OC Series
Serial number mounting surface at fan side

Kubota WG Series (WG1605)

Serial Number on Kubota Engine WG1605 Series
Serial number located below exhaust manifold. Over crankcase, flywheel side

Kubota WG Series (WG2503)

Serial Number on Kubota Engine WG2503 Series
Serial number located on the mounting surface of injection pump

Kubota WG Series (WG3800)

Serial Number on Kubota Engine WG3800 Series
Serial number located below intake manifold. Over crankcase, flywheel side

Kubota WG Series (WG752/WG972)

Serial Number on Kubota Engine WG752/WG972 Series
Serial number located on the side of fixing point of injection pump

Kubota WG Series (WG1903)

Serial Number on Kubota Engine WG1903 Series
Serial number located on the mounting surface of injection pump. Over crankcase, flywheel side

All Kubota Engines

Serial Number on Kubota Engine All Series
Serial number located over cylinder head of engine

All Kubota Engine Models

Do not use the EPA labels
Do not use the model information shown on EPA labels.

Comments: 1
  1. Jonathan Field

    Thank you for the clear example of decoding the serial number of Kubota engines!

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