Go Bottomcracked rear end
 | Brian Marchessault
Join Date: Posts: 1 
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2005-10-21 118248
I would like to request any info concerning cracked rear end? Here's what has happend, while brushhogging for a duration of 6 hours I noticed some liquid on the draw bar, upon further inspection it was hydraulic oil and comming out at a steady rate. The owner at my JD shop has been fair and has asked me many questions, he has ruled out the brush hog due to the small cover in the back is not crack nor is the PTO shaft broke. The crack exist from the draw bar straight towards the front of the tractor. He asked if I hit anything with the draw bar while backing up. answer is no. I'm wondering if this is factory defect, I would assume a JD4710 which was the largest compact at the time would be almost bullet proof, although it is a piece of machinery I don't believe a homeowner would cause such a severve break (part alone $6000.) I'm including a list of bullet statement problems which have occured with this tractor. A) front end leak
B) melted fuse box
C) lights quit
D) hood latch broke
E) bucket had to have a shim kit installed
F) replace decal on hood, peeled off
G) steering cap has been replaced twice
H) tilt wheel inoperable
I) rear end cracked
J) battery leaked
K) tractor rocks back and forth at idle
I would like to state that the dealer has been very good, although I'm very concerned due to the tractor only has 200 hours on it and is a year and a half old.
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 | Peters
Join Date: Feb 2002 Posts: 3034 Northern AL 
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2005-10-21 118249
Normally if you hit the casting hard it would break a hole in it not split it down the middle as described. It might have a jagged hole and then a split extending to the edge, but he should be able to see a mark on the housing if it was hit hard enough to crack it. I would think it is a casting defect that has gone unnoticed till now. I would assume it is still under warranty. Too bad there are no lemon laws on the tractors. ....
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 | dsg
Join Date: Jun 1999 Posts: 528 Franklin, Maine 
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2005-10-21 118251
Brian, I have a 2000 JD 4700 purchased new July 2000, built April 2000. Had to have the hydraulic housing replaced 2 months after purchased (over $2000. & under warranty). Was bushhoging and hit the steel step on left side of tractor on a stump. It broke off two ears that hold the step bolts on the trans/hydraulic housing,(it didn't bend the grade #2 bolts in the ears but just broke the ears off. JD rep. said the housing was not properly heat treated at build. Hope this idea helps.
David ....
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 | kwschumm
Join Date: Feb 2003 Posts: 5764 NW Oregon
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2005-10-22 118264
Brian, you might get the name of the JD factor rep in your area and talk directly to him. The dealer may or may not be fighting hard for your interests. Sorry to hear of your troubles. ....
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| Brian M
Join Date: Posts: 1
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2005-10-22 118277
thanks for the info, I'm going to wait and see what the dealer comes up with. I was informed that this will be a warranty issue. My concern is that the warranty is comming to an end and then what? I have e-mailed JD with my concerns with no response, anyone have an idea how to get in touch with the JD rep in Vermont / NY. Here's more info on the crack, the dealer seems to think the draw bar has been hit direct (hard), and this would cause enough stress to crack the rear end. I don't believe you would be able hit the rear end while having a bush hog on as well I know I did not hit or bottom out while bush hogging. There are no physical holes in the casting only a long crack which is very hard to see with the naked eye, there is a lot of oil leaking, over night a gallon and half leak out prior to bringing it back to the dealership. thanks and look foward to all inputs. ....
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 | oneace
Join Date: Mar 2004 Posts: 1490 south central pa 
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2005-10-22 118288
I Not sure about Deere but New Holland have 6 bolts that hold it in place 4 vertical through the bottom and 2 horizontal through the back. I would have to be one hell of a hit to cause a crack in the casting. My guess is it was dropped prior to assy. then the crack was unnoticed and painted to the point of sealing it up, now after some use and chassis flex it is becoming known. ....
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| Peters
Join Date: Feb 2002 Posts: 3034 Northern AL
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2005-10-22 118294
The tow bar would distribute the force over an area over nearly the whole bottom of the tractor. I would think you would have to hit the bar at high speed on a hard surface like a rock. The force would have to be hard enough to stop the tractor.
I certainly have banged the bottom of the tractor on dirt when leveling piles or wood when bushhogging and never hurt anything. ....
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| kwschumm
Join Date: Feb 2003 Posts: 5764 NW Oregon
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2005-10-23 118310
The dealer should give you the name and number of the JD rep if you ask politely. Just tell 'em what you said here. If it were me I would ask the JD rep about them giving me an extended warranty at their expense or trading it for a new one under warranty without taking a financial bath. If he wouldn't I'd get it fixed, sell it and by a different brand. Be polite, respectful, calm and firm. ....
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