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JD 2840 advice needed

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Clark

09-30-2001 23:20:34




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My father and I have an old MF65 Diesel that isn't getting the job done anymore so we are in the market for another tractor. He has found a 1979 JD 2840 at a nearby dealer and was quoted a price of $8500. The dealer told him he would trade for our tractor and $6000 (without seeing our tractor). We feel like that price is negotiable and since we had hoped to spend as little as possible we decided that we would consider the tractor if we could trade for around $4000. Before we made any final decisions I wanted to learn more about the 2840. The only JD I am familiar with is my brother-in-laws 3020 so I was hoping someone here could give me some advice. First of all, does this sound like a fair price? I have not seen the tractor yet, but my father said it looked to be in good condition with good hours and has a new paint job. Second, we were looking for a tractor with more power than our MF65 and the dealer said this tractor was approximately 80 horsepower, is this right? Finally, is this a dependable tractor, or are there known problem areas with the 2840? Thanks in advance for the help.

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Tom P

10-03-2001 12:29:52




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 Re: JD 2840 advice needed in reply to Clark, 09-30-2001 23:20:34  
You may want to look around for a nice 4020. You would probably spend about the same money for what I think is a nicer tractor. (especially with powershift)



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Greenman

10-01-2001 17:31:34




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 Re: JD 2840 advice needed in reply to Clark, 09-30-2001 23:20:34  
We farm with a 2640 JD, and it is a very good tractor. We paid $14,000 for it, and it was worth every penny!



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Greenman

10-01-2001 17:31:14




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 Re: JD 2840 advice needed in reply to Clark, 09-30-2001 23:20:34  
We farm with a 2640 JD, and it is a very good tractor. We paid $14,000 for it, and it was worth very penny!



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Dan S

10-01-2001 09:56:41




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 Re: JD 2840 advice needed in reply to Clark, 09-30-2001 23:20:34  
I do not own a 2840, but have opperated one before. My oppinion of this model JD is not very good. My biggest problem was with the transmission.. mostly with the shifting and not having park. I am used to JDs with synchro and quad range transmissions, and found the 2840 annoying to shift. But more important to that is that my farm is very hilly, and I was extremely worried that the tractor would roll b/c of brake failure, or more likely opperator failure to engage the brake..... Other than that I thought the tractor had decent power, and was relatively good handling(turning) and the hydraulic controls are well located for ease of opperation.

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cannonball

10-01-2001 05:32:15




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 Re: JD 2840 advice needed in reply to Clark, 09-30-2001 23:20:34  
we have a 2840 1979 model...has a loader...been a good tractor and still is..have had one hi-lo replaced and a couple of clutches...last time put in hd clutch ..boy was that mistake engages too fast..have had tractor for 18 years..no motor problems or transmission problems other that hi-lo..reclutched...use tractor for cutting hay and hauling out bales ...ect..... .used in winter for feeding hay..has hand brake ..have never seen one with park...they were made 78-79-80...have worked on them from front to back..have friend with one also...probably the one we have has 7000 hours or more...any questions e-mail me ....have nice day may god bless..... .

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John Henry

10-01-2001 08:34:28




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 Re: Re: JD 2840 advice needed in reply to cannonball, 10-01-2001 05:32:15  
Your comment about the transmissions Made me dig out my parts books to see ifn I was remembering properly. According to my parts book there were two transmissions for the tractor. They were both collarshifts. Part #al 23103 was installed up totractor ser#302478 and was followed by al 29646 ser# 302479 and up. I believe the only difference was the removal of the park position in the later.
I tried to put a Mid mount Quick Tach Deere loader on it a few years back and was told I could but they would rather I didnt. Something about an inherently weak housing.
Instead they recommended a loader that mounted directly to the rear axle and spanned the tractor length to the front casting over the front axle. I wasnt nuts about that so I put a new 620 midmount loader on my smaller 2440 instead. I looked at a 2940 which replaced the 2840 model and noticed a beefier clutch housing. Maybe thats what my dealer was talking about. Either way the tractor has treated me well.

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WTW 2840 Park

10-01-2001 13:00:36




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 Re: Re: Re: JD 2840 advice needed in reply to John Henry, 10-01-2001 08:34:28  
All 2840's had a park position on the shift lever when they were new. A company recall in 1979 was done where all these tractors to be found were brought in and the hand brake was installed on them. The transmission Park is still in the transmission it is just blocked out so operators couldn't use them. The reason for this up date was the transmission Park was known to jump out if operator didn't get them fully engaged. Tractors overseas that were not import to the USA had the hand brake as standard equipment like the 2940, 2950 and 2955 that replace each other in time. The reason I know this is I converted all the 2840 tractors that the dealership I worked for at that time sold. The tractor had to have both axles and differential removed to install the hand brake in them. There was around a dozen of these 2840 I had to put these park brake updates on just from that small dealership. Hope this will clear the air on the Park brake issue of the 2840 tractors. There was only one heft of transmission on the 2840. There were two different widths of final drives. All farm loader applications were recommended to use the full length loader frame that went back and supported off the rear axle housings. Most 2840 that were sold in my area had farm loaders on them. Very economical tractor. Dave W.

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John Henry

10-01-2001 04:25:34




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 Re: JD 2840 advice needed in reply to Clark, 09-30-2001 23:20:34  
I have a 79 2840 that I bought at an auction 11 years ago. I use it for haying chores primarily and occasionaly pulling a 4 bottom plow and a heavy disc. Hasnt been a bad tractor. Put 2500 hrs on it. Has hi-lo shift, live independent pto. 8500$ seems to be the going rate in decent shape. Only drawbacks to the 2840 seen to be its transmissions physical strength. Deere doesnt recomend putting a loader on it if it has the later transmision. There were two transmissions used on the model, one with a Park and on the later series with out a Park position. That meant a separate parkingbrake. If you have no intentions of putting a loader on it it should make you a good machine. I believe it was kept in production for 2 years and was replaced by the 2940. The tractors engine tag will say made in france beneath its serial number. I have had no engine problems at all. I did rebuild the pto and Hi-Lo clutchpaks though as the were about shot. If I can answer any more questions dont be bashful.

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