diggerpro Posted January 28, 2019 Share Posted January 28, 2019 I have a Unishift transmission in my B61 that has a split aux case. I have a Duplex to install in the truck and was wondering if anyone has done this before. Im curious if the mounts and bell housing flange are the same and if I can use the air assist clutch that comes with the unishift trans with the duplex. I also have a doner parts truck with a triplex in it . Any comments ??? Quote Link to comment Share on other sites More sharing options...
Freightrain Posted January 28, 2019 Share Posted January 28, 2019 Just guessing, but I would think you could put any transmission back in. The Unishift was basically just an air shifted Duplex. I've never seen an air clutch set up on a B, so can't comment on that. Quote Larry 1959 B61 Liv'n Large...................... Charter member of the "MACK PACK" Link to comment Share on other sites More sharing options...
Maddog13407 Posted January 29, 2019 Share Posted January 29, 2019 depends on which Monoshift and duplex you have??? if you are takin a 67 series out and putting one in youll be fine with mounts. same with a 72 series. I think the floor was cut for a monoshift same as a duplex with the tear drop hole. if you install the triplex there is a lot more work. Quote Link to comment Share on other sites More sharing options...
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