Mack man 1973 Posted October 16, 2016 Share Posted October 16, 2016 My 69 R 600 I just purchased I have the factory build sheets it shows the trans is an. Trdxl 107. I have seen many posts on here referring to the trxl 107 what is the differance of the trxl 107. And. Trdxl 107 ? Quote Link to comment https://www.bigmacktrucks.com/topic/47280-mack-six-speed-trans-question/ Share on other sites More sharing options...
j hancock Posted October 16, 2016 Share Posted October 16, 2016 Memory sez TRDXL 107 has a high and low for first and reverse and the TRXL 107 has high and low first and theoretically 5 reverse selections. Thought I had a shift diagram for the TRDXL but currently can't find it. Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/47280-mack-six-speed-trans-question/#findComment-348940 Share on other sites More sharing options...
Mack man 1973 Posted October 16, 2016 Author Share Posted October 16, 2016 Thanks so much , the sticker on the dash shows exactly what you say it shows direct and overdrive that's it . As soon as I get the supply pump,back. From being rebuilt I will be able to get this ole gal running and try it out Quote Link to comment https://www.bigmacktrucks.com/topic/47280-mack-six-speed-trans-question/#findComment-348943 Share on other sites More sharing options...
85snowdog Posted October 17, 2016 Share Posted October 17, 2016 I'm not sure if this is the same trans. This is a TRDXL 10780. Hopefully Mr. Hancock can shed some light. I never got chance to say " NICE TRUCK " !!!!! That dog found it's way to a good home. 2 Quote Keith Link to comment https://www.bigmacktrucks.com/topic/47280-mack-six-speed-trans-question/#findComment-348949 Share on other sites More sharing options...
j hancock Posted October 17, 2016 Share Posted October 17, 2016 Not real familiar with the 10780. Looks like it is a newer version. Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/47280-mack-six-speed-trans-question/#findComment-348955 Share on other sites More sharing options...
BillyT Posted October 17, 2016 Share Posted October 17, 2016 Never drove a six speed Maxidyne with two sticks,looks like it is only useful in fifth gear,but if you were in reverse,would you have direct or over available? I drove a five speed maxidyne with a low hole on air but never used the low side because I was always light(under 50000gross) is that considered a six speed? Quote Link to comment https://www.bigmacktrucks.com/topic/47280-mack-six-speed-trans-question/#findComment-349044 Share on other sites More sharing options...
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