JD 4400 hydro differental: Tractor Engine Repair Rebuild  -- Tractor Maintenance Discussion Forum and Review JD 4400 hydro differental: Tractor Engine Repair Rebuild -- Tractor Maintenance Discussion Forum

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 04-09-2001, 21:00 Post: 26535
Hillbilly



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 JD 4400 hydro differental

My JD 4400 has been in the shop for 10 days,should be back this week,several problems,2 minor ones some safety switches not making up right,a major one: fuel pump had to be replaced, and as stated earlier my differental lock was not working,well they tore into the tractor and found the differental to be in bad shape and about a ton of metal and brass shavings,said they were ordering a new transmisson to be installed,I was told by a very reliable source the differental assembly on these units had seen a degradation of the differental lock cams.Usally the diff lock failure was on units that had the ring gear bolts backing off and damaging the right side diff bearing carrier. I guess there was some kind of update on these,well mine updated itself.






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 04-10-2001, 09:50 Post: 26543
Anthony M. Parente



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 JD 4400 hydro differental

Hillbilly,
What were the symptoms prior to the differential lock failing? I am experiencing a lot of vibration when backing up a grade on my 4700 HST.
Tony






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 04-10-2001, 11:51 Post: 26553
Hillbilly



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 JD 4400 hydro differental

The noticable sympton to me was,when I pressed the pedal to engage the rear wheel it was not engaging all of the time,and at times I could feel it chatter a little when holding the pedal down,like it was trying to engage but it couldnt,the dealer asked me after they had the tractor if it had been feeling sluggish in performance,I told them I had not noticed because,it was gradually happening over time,I think the sluggishness was due to the metal getting in the transmission,FYI,the tractor was manufactured in 11/99 and I bought it new in 6/2000 and it has about 175 hours on it.






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 04-10-2001, 13:20 Post: 26555
Jim



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 JD 4400 hydro differental

should have bought Orange.






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 04-10-2001, 14:10 Post: 26557
Hillbilly



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 JD 4400 hydro differental

No doubt about it Kubotas are good machines,I always thought John Deere was on the same level as Kubota,the main reason i did not buy a Kubota was,I got burnt by a japanese company,I bought a Mitsubishi new in 1983 and it was buy that or a Kubota at the time,the Mitsubishi was a tough tractor,but later on when it came to parts, man you talk about highway robbery,if and when you could find the parts and by Kubota being a Japanese company,I didnt ever want to get in that situation again,I figured that with John Deere I did not have to worry about the demise of the product or parts availability or the company merging like International/Case and now Use to be Ford,now it is Newholland/Case and that is the reason I never looked at New Holland,no doubt New Hollands are fine tractors too,but I cannot help but wonder about Case/New Hollands future.






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 04-10-2001, 17:52 Post: 26558
Ted Kennedy



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 JD 4400 hydro differental

Hillbilly, I'm very sorry to hear about your problem with the Deere. I hope you can get it sorted out without shelling out. I think back on the days when my uncle started the family landscaping business and I recall at least six small, what we'd call compact today, tractors. My favorite was the Farmall Cub with a FEL that had a gravity dump bucket. Many changes have taken place since then, in particular, foreign domination of what was once an American market. Like it or not, we just can't get away from Japan.






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 04-10-2001, 19:04 Post: 26563
Hillbilly



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 JD 4400 hydro differental

Ted,
Thank you for the kind words,my dealer told me they were turning it all into John Deere,I think everything will be ok,hey if it becomes a reoccuring problem I will trade before the warranty expires.






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 04-11-2001, 21:08 Post: 26594
Jim



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 JD 4400 hydro differental

Hey Hillbilly,
not to throw salt in your wounds, but the JD is also a jap tractor. I Have a friend who is a john deere dealer and his whole world is green.He has mentioned to me that the 4200 - 4400hst tractors have been a nightmare of problems and wishes they never did away w/ the 55 series. This sound strange coming from a dealer that kisses the ground deere drives on.
Jim






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 04-11-2001, 23:29 Post: 26600
Hillbilly



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Thats kinda of dissapointing to hear that they are Jap tractors,I figured Jap tractors were built better than this,like I say the big reason I went with JD versus Kubota was the fact I owned a Mitsubishi tractor and Mitsubishi pulled the rug out from under me(I did not want to get in the situation again being left high and dry in need of parts) when they quit selling Mitsubishi tractors in the states,the dealerships dropped the parts and when and if you needed them,they were more rare than hens teeth and higher priced than gold.If Mitsubishi was still selling tractors in the states,darn tootin I would have probably bought another Mitsubishi,I had the tractor for 18 years and the tractor was a 16.5 hp 4x4 and never went back to the shop from the day I bought it,then only thing that ever failed were some dry rotted hoses to the fuel lines and the seat came apart,nothing else failed,and I used the heck out of it,but I needed a bigger tractor something that was more suited for the 90 acres I have.I doubt it if Kubota will ever close up shop like Mitsubishi.I do not know why Mitsubishi did(anyone know why ?)This JD 4400 the only thing I have used it for so far was bushhogging and grading,no heavy pulling that would have put unrealistic excpectations on it 173 hours on the clock. So Jim I do not have a problem with Japanese tractors.I will be watching this JD 4400 like a hawk and if it appears to be problem prone it will be traded off before the warranty expires.When I find out exactly what all had to be done to it I will post the details.
Hillbilly






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 04-11-2001, 23:46 Post: 26602
Hillbilly



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 JD 4400 hydro differental

I forgot to mention,here is the kicker in this episode,I had already noticed the differental problem and while looking underneath the tractor,I noticed a little bit of a hydraulic leak from above,on a weekend well two days in a row when I noticed all of this the tractor was very hard to start.So Monday morning I go to work and make arrangements with the dealer to pick the tractor up on Wednesday we could not get to it to start(the dealer and I) luckily I have an electric wince,we finally got it on the trailer(fuel pump had to be replaced along with practically the whole rear end)the dealer told me the further in to the tractor they went the more they found wrong.If one good thing has came out of this so far is the dealer has been great through this ordeal.






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Discussion Boards > Active Subjects > Messages as Posted > Tractor Engine Repair Rebuild Forum

Thread 26535 Filter by Poster:
Anthony M. Parente 1 | Chuck Westerfield 1 | dsg 1 | Hillbilly 9 | JeffM 1 | Jim 4 | mark 1 | Rob Munach 1 | Ted Kennedy 1 | TomG 1 |




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