kevgibbs 0 Posted December 22, 2020 Share Posted December 22, 2020 I have heard rumors that the Mack T2130 transmissions are the same transmissions as the T2180's and that you can convert a 13-Speed Mack to a 18-Speed just by changing the shift knob in the cab. Is there any truth to this? Quote Link to post Share on other sites
mrgumby 145 Posted December 22, 2020 Share Posted December 22, 2020 Yes it’s true did that to one I used to drive 1 Quote Link to post Share on other sites
Vmac3 35 Posted December 22, 2020 Share Posted December 22, 2020 Simple shifter knob change. Quote Link to post Share on other sites
Joey Mack 132 Posted December 23, 2020 Share Posted December 23, 2020 So true, It's a 2018 tranny, change the knob or cut the gate out of it... 2 Quote Link to post Share on other sites
Joey Mack 132 Posted December 23, 2020 Share Posted December 23, 2020 paint the splitter grey so onlookers wont get confused..... Just pokin fun,,Jojo 1 Quote Link to post Share on other sites
RFCDrum 1,346 Posted January 2 Share Posted January 2 To do it the proper way there is also a piece on the trans a plate of some sorts that has to be changed. When I worked at Mack the mechanics did quite a few of these on new trucks that were ordered as 13's and customers changing their minds. This was back in the late nineties. Cheers. Quote Link to post Share on other sites
Popular Post theakerstwo 830 Posted January 2 Popular Post Share Posted January 2 4 hours ago, RFCDrum said: To do it the proper way there is also a piece on the trans a plate of some sorts that has to be changed. When I worked at Mack the mechanics did quite a few of these on new trucks that were ordered as 13's and customers changing their minds. This was back in the late nineties. Cheers. I wish you would find out more about this because a few of us have been doing it wrong for years. 3 Quote glenn akers Link to post Share on other sites
RFCDrum 1,346 Posted January 6 Share Posted January 6 I'll check into it. Quote Link to post Share on other sites
Joey Mack 132 Posted January 6 Share Posted January 6 i'm one of those too, Glenn.. ... Jojo Quote Link to post Share on other sites
Popular Post Macktech20 15 Posted January 11 Popular Post Share Posted January 11 (edited) The way I have always done it. Is to remove the shifter knob cover. Take the nut and the washers off of the top. Take the two torx headed screws out of the top. Then your knob comes apart in two pieces. Leave the bottom of the knob on the stick. Theres going to be a thin plastic tab on the red compound switch, cut it off and then put the knob back together now you have an 18 speed Edited January 11 by Macktech20 5 Quote Link to post Share on other sites
Joey Mack 132 Posted January 11 Share Posted January 11 exactly...... jojo Quote Link to post Share on other sites
fjh 696 Posted January 11 Share Posted January 11 12 hours ago, Macktech20 said: The way I have always done it. Is to remove the shifter knob cover. Take the nut and the washers off of the top. Take the two torx headed screws out of the top. Then your knob comes apart in two pieces. Leave the bottom of the knob on the stick. Theres going to be a thin plastic tab on the red compound switch, cut it off and then put the knob back together now you have an 18 speed Yup Job Done! Quote Link to post Share on other sites
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