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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='font-size:12.0pt;color:#1F497D'>Sounds like you need the factory parts manuals for all of those models. Even that can be a challenge when part #’s are superseded but aren’t reflected in the older publications.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;color:#1F497D'>Alex Thomson<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Triumphs [mailto:triumphs-bounces@autox.team.net] <b>On Behalf Of </b>jpaynepbr@cox.net<br><b>Sent:</b> Wednesday, February 12, 2020 7:10 PM<br><b>To:</b> triumphs@autox.team.net<br><b>Subject:</b> [TR] Tr3 and TR4 Gearbox part numbers and interchange<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Does anybody have a link or guide to X-Ref. Triumph TR2-6 gearboxes for part numbers and interchange?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Had mangled TR6 gearbox come into the shop last year and have 4 broken TR3 gearboxes (one with a very low TS number +/- 7000) the other 3 with numbers ranging from TS40000 to TS 59000, and a finally a TR4 Gearbox with a CT number.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The TR4 box and the Low TS number box are both overdrive.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>All the boxes are pretty well mangled and incomplete, but I reckon between the 6 of them, I may be able to get both of the Overdrive boxes and maybe one of the other ones in working order. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I know the basic obvious differences between them, but am curious as to what parts are interchangeable between them and which ones aren’t, particularly as it relates to the gears, sliding hubs, mainshafts and shifter mechanisms.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Jonas<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>