Bluebulldog Posted August 3, 2022 Share Posted August 3, 2022 (edited) Have ch 613 that has the 2090 transmission. Thinking of switching to something else. Truck has the 355-380 engine. What would be the best fit. Sure doesn’t need a higher gear and could use a lower low for the farm. I need to look and see what ratio it is. 65 is about 1450rpm. Edited August 3, 2022 by Bluebulldog Quote Link to comment https://www.bigmacktrucks.com/topic/70223-2000-613-transmission-switch/ Share on other sites More sharing options...
Joey Mack Posted August 3, 2022 Share Posted August 3, 2022 maybe a 2013/2018?? We'll see what the 'Dog Pound' say's... lots'a smart guy's here that can spec out a good truck.. jojo Quote Link to comment https://www.bigmacktrucks.com/topic/70223-2000-613-transmission-switch/#findComment-505227 Share on other sites More sharing options...
880joe Posted August 3, 2022 Share Posted August 3, 2022 Probably 3.65 ratio. Was that at sleeper truck previously? Quote Link to comment https://www.bigmacktrucks.com/topic/70223-2000-613-transmission-switch/#findComment-505240 Share on other sites More sharing options...
880joe Posted August 3, 2022 Share Posted August 3, 2022 An Eaton 8LL might work good seems like a lot of dump truck use them or like JoJo said a 2130 or 2180 mack transmission Quote Link to comment https://www.bigmacktrucks.com/topic/70223-2000-613-transmission-switch/#findComment-505242 Share on other sites More sharing options...
R.E.D Posted August 3, 2022 Share Posted August 3, 2022 I like my t310m , very lo and lolo gears..and probably same length as your t2090 so you wouldn't need a drive shaft change. Red Quote Link to comment https://www.bigmacktrucks.com/topic/70223-2000-613-transmission-switch/#findComment-505246 Share on other sites More sharing options...
Joey Mack Posted August 3, 2022 Share Posted August 3, 2022 8LL Eaton is a great tranny.. The 310M is also great.. Myself.. when I drove dump trucks. I learned to love multi speed reverse.. My first was the 1070B and the X107 twin stick.. however, the 2013/2018, will get the job done... you'll need to have the get the drive shaft re-done.. anyway, you are in a great place for REAL knowledge.. jojo Quote Link to comment https://www.bigmacktrucks.com/topic/70223-2000-613-transmission-switch/#findComment-505247 Share on other sites More sharing options...
Bluebulldog Posted August 4, 2022 Author Share Posted August 4, 2022 No it’s always been a day cab. We’ve got a granite that has a 310 in it I kinda like it better it does have lo low for field work I like. The 2090 is still working just not my favorite transmission. Quote Link to comment https://www.bigmacktrucks.com/topic/70223-2000-613-transmission-switch/#findComment-505260 Share on other sites More sharing options...
Joey Mack Posted August 4, 2022 Share Posted August 4, 2022 the 310 is strong, is yours an "M" multi speed reverse... I love multi speed reverse.. jojo Quote Link to comment https://www.bigmacktrucks.com/topic/70223-2000-613-transmission-switch/#findComment-505262 Share on other sites More sharing options...
Dirtymilkman Posted August 4, 2022 Share Posted August 4, 2022 I'd go 18 speed. You have a gear fir every condition. And if you get the mack 18 speed Lr then you have 4 usable reverse gears. An Eaton may be way cheaper though and I saw winrock truck parts sell mack to Eaton conversion kits. Quote Link to comment https://www.bigmacktrucks.com/topic/70223-2000-613-transmission-switch/#findComment-505269 Share on other sites More sharing options...
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