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John Deere Tractors Discussion Forum
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4440 w/ 7000 hrs ?

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51 A

10-13-2004 16:56:48




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I am considering the purchase of a 4440 powershift with 7000 hours on the meter. What should have been repaired/replaced already on this tractor, damper, etc? What repairs can I expect within the next 1000 hours? Any insights on this tractor would be appreciated.

Thanks,

'51 A




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4440owner

10-14-2004 14:44:47




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 Re: 4440 w/ 7000 hrs ? in reply to 51 A, 10-13-2004 16:56:48  
ours has many more hours on it than that stay away from the powershift buy a quad range much better transmission the clutch packs in the transmission are expensive to rebuild i would stay clear away fom them have owned 3 and all were junk and did not operate correctly, if you are just going to bale hay or something it might be ok but we work ours and they will not hold and have the power a quad range has, do your self a favor and buy a quad.

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G-MAN

10-14-2004 11:07:16




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 Re: 4440 w/ 7000 hrs ? in reply to 51 A, 10-13-2004 16:56:48  
That depends on the quality of care and service it's received. It could be in good shape or completely shelled out. I don't know that I agree that the bottom end should have been done at 5000 hours. If it's had the oil changed religiously, the bearings could be very good yet. Connecting rod bolts aren't changed just to do it or to prevent some impending failure. They're changed at underhaul time because they are torque-to-yield fasteners and are only good for one use. The crankshaft damper (on the front) should have been changed as per Deere instructions, so if that hasn't been done, a bottom end inspection and underhaul is probably a good idea. I've never heard of swapping final-drives from side to side, but I imagine the theory there is to wear the other sides of the gears, but I've been around quite a few 8000+ hour 40-series tractors and haven't heard of or see that done yet. If the outer axle bearings have been greased regularly, they should be fine, but it's easy to check for excessive play by jacking up each side and feeling for play at the axle shaft. The list can go on and on. Your best bet is to take somebody knowledgeable about Deere tractors along with you to look for specific problems.

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2cylfarmer

10-13-2004 19:49:20




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 Re: 4440 w/ 7000 hrs ? in reply to 51 A, 10-13-2004 16:56:48  
At approximately 5000 hours the engine should have had a new set of crankshaft bearings & rod bolts. Around 7500 hours expect to change the rear axle bearings and have the final drives swapped between the left & right sides. The PS transmission should run for a long time if the oil & filters were changed regularly.



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'51 A

10-13-2004 17:14:01




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 I981 model in reply to 51 A, 10-13-2004 16:56:48  



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