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| Whats the biggest differences in the John Deere 60 and 70 series sts combines? looking at 9660, 9760, 9670 and 9770. anything to look out for? Known problems? Leaving Lexion due to reliability so which one of these is known for being the most trouble free? (aside from regular maintenance) I have seen a couple 9770's with rebuilt engines so is that a big problem on those machines? wanting to run a 8 row corn head and 30' MacDon. Thanks
Edited by scottsdale20 11/5/2017 16:17
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Eastern Iowa | As far as 70 series, I think 2010 and later is better unless earlier one had cylinder liners shimmed. The 70 series has a variable geometry turbo charger and EGR cooler witch can both be problematic. |
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central Iowa | And possibly problematic 9 liter engine. |
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SW Ohio | If it has 9.0 engine make sure it has H008 engine code below serial number. H006 is prone to liners not protruding far enough and causing head gasket issues. |
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Central ND | 70 series will have the command center, makes it a little more user friendly, also will have the air scoop for the radiator (late 60's actually had it too I guess), the engine compartment is also alot roomier on the 70,, basic machines are very similar, just a few creature comforts |
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Amherst WI | What Lexion are you leaving? I’m in the market for a newer combine and Lexions seem to have two types of owners.
1. Absolutely love them
2. Burn it at the end of the driveway
I’m trying to figure out why as I look at something newer and bigger. |
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Central ND | Boy hinfarm you nailed that, I have noticed the same thing about lexion owners! I'm surprised op hasn't been blasted yet for wanting to get rid of a lexion |
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| 470. its a older machine that runs good, but having endless electrical issues that is giving us down time. Time to update and get more capacity.
We are still considering newer Lexions, but finding a good lower houred 500 series has been very hard to come by and others have told us the electrical componets are similar. We love the job the machine does its just getting too small for us,
Edited by scottsdale20 11/5/2017 16:44
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Amherst WI | Ok I’m seriously considering a 730. I can’t seem to find another combine out there that new, that big and with that few of hours for that kind of money they are asking. But at this point I’m open to almost any brand at the moment. |
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| I have heard the 700 series are great machines, I'm just not wanting to spend that much right now. so that leaves me with 500 series lexion, or 60/70 series Deere. Cat mechanics this year are swaying me to go green- no one is wanting to diagnose issues, just change parts |
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Ontario | Hard to beat a 9770 at the end of the day... |
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So. IL | 60 series had a major upgrade in 2006 I think, the 06, 07 machines are very close to the 70 series. Why they did not change series in the middle of the 60 series run is beyond me. |
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Appomattox/Fredericksburg, VA | Late 60s got the bullet rotor |
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East Central Wisconsin | 70's have the Prodrive and the 5 speed Feederhouse drive, tilting sieves options to |
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Central ND | Those are options but yes they are nice |
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WC Ohio | You want to get a later 60 series with the bullet rotor, they have some upgrades like the air scoop. We have a 07 9760 and rented a 9770 one year when ours was down. The biggest difference was the 60 series probably doesn’t have integrated auto steer and no command center. Running the machines there wasn’t much difference other than small convenience things mentioned earler. The 97xx are probably cheaper than the 96xx at least that is what we found when we were looking. |
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| Our 9770 has the high rate unload auger. |
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Midwest | Go with a 70 series, and newer the better. '11 70 series was JD best machine for reliability ever for them until this years S series. Integrated auto steer on the newer ones, high rate unload auger, better machine display, etc.
We run a 9670 with 8 row head and 30' platform. |
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Hitchcock SD | Have a Lexion and 9770 for our 2 combines. Our Deere has more downtime and is in need of injectors which is a problem with 9.0 engines I’m told. Would really like to ditch the Deere but all in all has been a descent combine.
Edited by deck05 11/5/2017 20:28
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Western Iowa | If you are a corn whore like myself, you might want to stay on a 97 platform. Clean grain elevator is larger on the 97's vs the 96. Seems easier to get grain in the cleaning fan also on the 96, but you can put some inserts in to take care of that problem.
I can't remember where exactly, but IIRC 3000-3500 BPH was about max
I am not sure with an 8 row head you could get ahead of the smaller elevator, but you can with a 12........ |
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CENTRAL ILLINIOS | There was a change in the variable speed reverser. Hi Torque reverser on our 70 series compared to Heavy Duty reverser on our 60 series. I think the Hi Torque reverser was available on later 60's. Also the clean grain elevator was improved on the 70's and that was an important change in high yield corn. |
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SW Ontario | Must haves IMO...
- go with the 9770
- hi torque reverser (5 sp even better but rare)
- high wear package (can be added to anything)
- hi capacity unloading auger (might be standard)
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SE ND | cyclones30 - 11/5/2017 19:23
Go with a 70 series, and newer the better. '11 70 series was JD best machine for reliability ever for them until this years S series. Integrated auto steer on the newer ones, high rate unload auger, better machine display, etc.
We run a 9670 with 8 row head and 30' platform.
I'll be the odd man out. For 2 years we have run a 2006 9760 alongside a 2011 9770. I would definitely choose an 06-07 9760 OR a 2010-11 9770. I actually don't see much advantage of a 9770 over the late model 9760. Actually we have had more electrical problems with the 9770. |
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| 70 series, would recommend going with a 9670 to save your self some $$ and tune it to 9770 spec or above |
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Differences in 60/70 series Deere Combines
