JD tractor guys- transmission

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    JD tractor guys- transmission

    Need help deciding what's better in either a 4440, 4450, or 4455. 15 speed powershift or quad range?

    Some tractors list having a "power quad". Is that actually a different transmission or is it the same as the quad range transmission?

    I'll be plowing with it and pulling a big shredder.

    #2
    Go with the 55 series if you can.
    15 speed powershift is a nice trans, but they do need rebuilds after a while depending upon what they are used for. If you are looking at higher houred machines be ready to need to rebuild it. They arent terrible to do, however it requires pulling the cab and splitting the trans case. Parts are spendy too, I dont think there is much aftermarket, so most needs to come from Deere.

    Quad Range and Power quad are the same. They are stout transmissions, rarely have I seen one with issues, most of the time its just shift linage loosening up and making them hard to shift.

    If you can swing it go to a 7000 series, much better tractor all around. 7800/7810 is one of my favorites Ive ever run.

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      #3
      Originally posted by Baconator View Post
      Go with the 55 series if you can.
      15 speed powershift is a nice trans, but they do need rebuilds after a while depending upon what they are used for. If you are looking at higher houred machines be ready to need to rebuild it. They arent terrible to do, however it requires pulling the cab and splitting the trans case. Parts are spendy too, I dont think there is much aftermarket, so most needs to come from Deere.

      Quad Range and Power quad are the same. They are stout transmissions, rarely have I seen one with issues, most of the time its just shift linage loosening up and making them hard to shift.

      If you can swing it go to a 7000 series, much better tractor all around. 7800/7810 is one of my favorites Ive ever run.
      I don't think I can swing it price wise and it's getting into some electronics I'd like to avoid with that series. Why I'm looking at the 80s model range of tractors

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        #4
        I have no direct knowledge but from what I have seen in videos, John Deere parts costs are figured by their weight in gold!

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          #5
          Powrquad is a later model tractor transmission, 6000 and 7000 models. The quad range transmission can't be beat for durability. A buddy of mine has a 4440 making 250hp thru a quad range with over 20k hours on it. It's been rebuilt a few times tho.

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            #6
            Originally posted by bigun View Post
            I have no direct knowledge but from what I have seen in videos, John Deere parts costs are figured by their weight in gold!
            I am constantly surprised by it, some stuff that I expect to be $$$ is cheap, and other stuff that I expect to be cheap is $$$.
            Kubota stuff in my opinion is about the same, the difference is that the Deere stuff comes within a day or 2, the kubota stuff takes weeks though

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              #7
              JD parts are stupid expensive.

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                #8
                Originally posted by Baconator View Post
                Go with the 55 series if you can.
                15 speed powershift is a nice trans, but they do need rebuilds after a while depending upon what they are used for. If you are looking at higher houred machines be ready to need to rebuild it. They arent terrible to do, however it requires pulling the cab and splitting the trans case. Parts are spendy too, I dont think there is much aftermarket, so most needs to come from Deere.

                Quad Range and Power quad are the same. They are stout transmissions, rarely have I seen one with issues, most of the time its just shift linage loosening up and making them hard to shift.

                If you can swing it go to a 7000 series, much better tractor all around. 7800/7810 is one of my favorites Ive ever run.
                The 7800 is by far the worst tractor I have ever driven hands down. Granted we had a lot of bigger tractors but also had some smaller ones too. That thing was underpowered for the size and road rougher than any of the other tractors I drove. I would not own one unless it was given to me.


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                  #9
                  Looking really for a 4450 or 4455. More to offer than the 4440. I was pretty set on going with the powershift but now leaning towards the quad trans

                  Comment


                    #10
                    Originally posted by OutlawRider View Post

                    The 7800 is by far the worst tractor I have ever driven hands down. Granted we had a lot of bigger tractors but also had some smaller ones too. That thing was underpowered for the size and road rougher than any of the other tractors I drove. I would not own one unless it was given to me.

                    I have a 5105 and won’t own another one unless its given to me.

                    Comment


                      #11
                      Originally posted by OutlawRider View Post

                      The 7800 is by far the worst tractor I have ever driven hands down. Granted we had a lot of bigger tractors but also had some smaller ones too. That thing was underpowered for the size and road rougher than any of the other tractors I drove. I would not own one unless it was given to me.

                      The one Ive run has likely been tuned up a bit. Pulled a loaded grain cart pretty well.
                      Its pretty damn comparable to a 4455 and a bit more than a 4440 in the HP department.

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                        #12
                        Originally posted by grumpy356 View Post

                        I have a 5105 and won’t own another one unless its given to me.
                        I have no personal experience in the 5000 series. We had a 4000 series and it was great for smaller stuff. We ran a planter on it but that pushed the limits of the 3 point hitch. It had a bucket as well so was just handy around the shop. Maneuverable and pretty stout. But you also didn’t expect it to pull a big disk or land plane.

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                          #13
                          Originally posted by Baconator View Post

                          The one Ive run has likely been tuned up a bit. Pulled a loaded grain cart pretty well.
                          Its pretty damn comparable to a 4455 and a bit more than a 4440 in the HP department.
                          The 7800 to me was an oversized tractor made to run in hay fields. That is only my opinion. The transmission sucked as well. We had 8300s and over the years various other 8000 series tractors. They just ran circles around that 7800. It was good for planting with a tool bar and running a spray rig from a 3 point hitch (until we bought a stand alone spray rig). After that, it got sold. It was worked hard, but everyone hated getting stuck in it. The one positive was the windows opened so when the AC would ever quit, Atleast you could get some airflow.

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                            #14
                            While were just throwing out numbers... I ran a 6410 for a few years and had zero complaints. I just changed the oil and abused it. The shuttle was badass.

                            Never once thought the electronics were detrimental. No more than running a late 90s truck.

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                              #15
                              We have a fleet a 4wd's with power shifts and quadrange.

                              I much prefer the old quadrange in our old 8630's over the new shit.

                              Of course I'm usually the guy that has to work on the stuff, so there is that.

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