diggerpro Posted August 11, 2014 Share Posted August 11, 2014 I have a beautiful B-61 that is sitting in my shed because of a failure of the aux section of it's Unishift Transmission. I'm looking for some help finding a replacement or a parts doner one or as a last resort possibly a duplex trans to put in it until I find the correct replacement one or parts. My truck has only just over 200,000 original miles and as far as I know NO body filler in it anywhere---- So it's way too nice to leave sit. Any help would be appreciated in the form of parts trans or referals . I've posted this here before and had lots of great guys try to help but just haven't connected with the right stuff yet- My trans is a TRDL 725 . If anyone has replaced a Unishift with a Duplex Id like to know what Im in for to do the change over with the air assist clutch and bolt ups- Feel free to call me anytime at 570-419-1099 Thanks to all that have tried to help in the past- Quote Link to comment Share on other sites More sharing options...
bullhusk Posted August 11, 2014 Share Posted August 11, 2014 I have a beautiful B-61 that is sitting in my shed because of a failure of the aux section of it's Unishift Transmission. I'm looking for some help finding a replacement or a parts doner one or as a last resort possibly a duplex trans to put in it until I find the correct replacement one or parts. My truck has only just over 200,000 original miles and as far as I know NO body filler in it anywhere---- So it's way too nice to leave sit. Any help would be appreciated in the form of parts trans or referals . I've posted this here before and had lots of great guys try to help but just haven't connected with the right stuff yet- My trans is a TRDL 725 . If anyone has replaced a Unishift with a Duplex Id like to know what Im in for to do the change over with the air assist clutch and bolt ups- Feel free to call me anytime at 570-419-1099 Thanks to all that have tried to help in the past-Superdog (Mike) I think could help you with info and maybe even parts, I have bought parts from Mike and he is a stright shooter and will help you if he canBULLHUSK 1 Quote Link to comment Share on other sites More sharing options...
diggerpro Posted August 31, 2014 Author Share Posted August 31, 2014 Anyone know what number Duplex is heavy enough for the 673c ? Quote Link to comment Share on other sites More sharing options...
j hancock Posted September 1, 2014 Share Posted September 1, 2014 TRD72 direct duplexTRD720 .78 overdrive duplex 1 Quote JimIt doesn't cost anything to pay attention. Link to comment Share on other sites More sharing options...
Maddog13407 Posted September 1, 2014 Share Posted September 1, 2014 the newer number for a duplex is a TRD722. im sure there is a reason. probably a bearing or something changed. think Mack changed the number around 64-65 Quote Link to comment Share on other sites More sharing options...
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