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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>Gary,,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’ve seen a reference stating that those letters mean High Speed Gearing. I’m a JD guy so don’t take this as gospel.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Dean VP<o:p></o:p></p><p class=MsoNormal>Apache Junction, AZ<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> AT <at-bounces@lists.antique-tractor.com> <b>On Behalf Of </b>Gary Annas<br><b>Sent:</b> Sunday, February 7, 2021 8:15 AM<br><b>To:</b> AT@lists.antique-tractor.com<br><b>Subject:</b> [AT] serial numbers info<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>i bought a farmall140 last week with the letters JKK after the serial #, and can't find any info on these letters. Can you guys tell me what they mean<o:p></o:p></p></div></div></body></html>