JD 2640 trans.....how durable is it? March 17, 2016 12:07AM
Hello all.....kicking around the idea of turning an ole 2640 into a pulling tractor....it does not have a reverser....my question is how much of a beating will they take? I dont want to wind up with a time bomb on my hands....thanks in advance for the advice...
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Re: JD 2640 trans.....how durable is it? March 19, 2016 03:22PM
What class/rules are you looking at for it?
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Re: JD 2640 trans.....how durable is it? March 20, 2016 02:06AM
Not real sure on the class you would call it.....but what I'm thinking of would be 5500-9500 lbs.....6.8 power tech engine single charger, probably inter cooled, 18.438 cut tires......my questions are would a heavy enough input shaft be available? Does anyone make gears to possibly speed it up if needed? And most of all would the trans and rear handle it.......estimated hp would be 5-700 range I would anticipate......let me know thanks
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Re: JD 2640 trans.....how durable is it? March 20, 2016 04:36AM
I was considering a 2120/30 rear end. (Canadian model numbers..) I was told that they will likely hold up, although there are no 'off the shelf' parts like there are for the 4010 rear ends. You would have to do the R&D for making go fast gears and such. If you can make enough hp to use road gear, then one could go without any go fast or half gears. These chassis' are much more available now then a 4010! I was considering it for 7000lb. Hope others chime in on this.
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Re: JD 2640 trans.....how durable is it? March 20, 2016 09:04AM
Jack were you running a 6.8 powertech? Also what kind of cluch and tire combination did you have? How bout your input shaft? Thanks
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Re: JD 2640 trans.....how durable is it? March 20, 2016 05:37AM
Yeah this last guy is spot on,, I sold one while back making 1100 hp, running factory gears , all stock it was fun to drive
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Re: JD 2640 trans.....how durable is it? March 20, 2016 06:14AM
Thanks Jack! Not too often I'm spot on! Lol!
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Re: JD 2640 trans.....how durable is it? March 20, 2016 09:15AM
Also, was the rear end needled?
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Re: JD 2640 trans.....how durable is it? March 20, 2016 09:17AM
Question. ...is the 2640 and 2840 the same rear?? A 2840 is a 3130 after the Canadian exchange...lol.
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