Hiersun Group Official Blog

Kubota Engine Serial Number Identification ENGINES MANUFACTURED BEFORE JUNE 2012 IMPORTANT: Always obtain the serial number when possible. The serial number can help determine the engine model and also help determine the c orrect service parts and changes based on serial number breaks. OLD FORMAT 4-6 numbers  that are  sequential with no breaks for production month or year NEW FORMAT (starting 1997) Alpha-numeric (e.g. XJ5050 or 4J5050) with breaks for production month and year 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 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 A B C D E F G H J K L M N 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 serial numbers Where to find the serial number The serial number is marked on th...