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The Sands Of N IN | I am looking at a 1992 JD 9400 combine. Is there anything in particular to look for in this year or model? Anything that would make me want to avoid it? |
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Jackson County, AL | We had anywhere from a first year 9400 to a last year. They are good combines that really don't have a great deal other than common wear parts to look for. Sheet metal would have needed attention by now I'm sure (bottom of bin, elevators, etc.). Overall, if you want a good 9400 get a 9500. Longer walkers and bigger engine and grain bin is only difference. The extra power and capacity makes a big difference. We always ran 918 flex heads and 6 row cornheads. We always ran as fast as we could and let the combine work. With those heads you could usually run the hydro up till the low engine speed light came on, back it down till it went off, and leave it there. In other words, the engine was the limiting factor, not its capacity. We ran 3 at a time for a lot of years in beans and 100 acre days with a good bit of moving wasn't hard to do with 3. With one in good early beans a 60 acre day wasn't uncommon and 50 acre days were about right in beans. 60 acres a day in good dry corn was a good day. We never unloaded on the go. That will be another reason to go to the 9500 if thats important to you. Also, if it hasn't been changed over it will still take freon instead of the R-134a. Makes a colder A/C though. Dad's '92 model would freeze you out when the sun went down. |
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| I can't really tell you anything particular to look for, but I really like my 9400. And mine only has the small engine that some people hate. A 9400 with the bigger engine must be a sweet 6 row cornhead machine. I don't know what you are upgrading from, but if the combine is in good shape, I don't think you will regret buying it. Getting mine made harvest fun for me again.
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The Sands Of N IN | 7720 that I really despise; too hard to wrench on! |
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central Ia | I have a 1990 9400 that the crankshaft was installed when I bought it 9 years ago, no problems with the new one. I went from a Massey 750 to the 9400 so it was quite an improvement. I run a 920 platform and a 643 corn head. I don't have power problems unless I get in corn over 24% then it will slow me down and I don't unload on the go. They are a nice combine and fairly easy to work on, changing it over to 134a this fall so I will see how that compares to R12. |
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South Georgia | If they can't tell you when the harmonic balancer has been changed, DO IT NOW. Apparently balancer failure results in crankshaft damage.
Don't ask how I know.
Otherwise I like the machine.
Could stand some more straw walker area.
Adrian |
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Freeburg IL | A 9400 will be a step backwards from a 7720 in capacity and HP. |
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| Would you consider them a step backwards in capacity from a 7700? |
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missouri | When 9400 came out there was a choice of 2 engine sizes. Mkae sure it is the bigger of the two. Later on they did away with the smaller one. Sorry I can't tell you the exact sizes or years just know that the smaller engine was underpowered |
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Freeburg IL | It is a smaller class machine than a 7700, but has a bit more HP, so that would prolly be comparable |
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| I have owned and ran both a 7700 and a 9400 and there is no way a 7700 can shell as much in a day than a small engine 1989 or 1990 9400 can, much less a 1992 9400 with the bigger engine. I doubt a 1992 9400 would be a downgrade in capacity vs. a 7720. JMHO. |
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Shelbina, MO | Ran a 1990 model for 4 years. 918 head and 643 corn head. Never thought it lacked for power much. New Deere crank kit for the 359 will cost you $2300, I know that for a fact. Sold it this winter and bought a 1995 9500. My 9400 was a sweet machine when I sold it, now I get to start all over with the 9500! |
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| I agree. The 9400 is equal or greater to a 7720 in everything. Ours (big engine) never ever lacked power in corn or beans. In oats which was only about 40 acres she'd grunt in the green stuff but that is about it. |
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JD 9400 combine
