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Paul Quinn 276134 307 John Deere 6800 either
John Deere 6800
Our John Deere 6800 we just got.
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Re: John Deere 6800
Another view.
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Re: John Deere 6800
Nice.

If it has done more than 4000 hours and you don't know its
full history, get those brake disks changed before they wear
out and spew shit into the back-end oil.
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Re: John Deere 6800
4000 hours doesnt have to say anything, it is just how they
changed oil and filters, if that is olny happend ones in
1000 ours, then they could have water in the transmission
oil, and the brake disks are gone, just like every other
brand.

Nice tractor;-)
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Re: John Deere 6800
Theres jus 8000 hours on it and dont know much history of
it. Have changed all filters.
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Re: John Deere 6800
Theres jus 8000 hours on it and dont know much history of
it. Have changed all filters.
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Re: John Deere 6800
I dont think you have to worry about anything.
and by the way, what is wrong whith shit in back end oil.
you could better wait before you have it, and then replace
your brake disks. Maybe there is nothing wrong and the
brakes never has to be replaced. If you have shit in your
back and oil there would nothing damaged, because the oil is
filtered.
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Re: John Deere 6800
"I dont think you have to worry about anything.
and by the way, what is wrong whith shit in back end oil.
you could better wait before you have it, and then replace
your brake disks. Maybe there is nothing wrong and the
brakes never has to be replaced. If you have shit in your
back and oil there would nothing damaged, because the oil is
filtered."

The average life for brake discs in the UK is between 4000
and 6000 hours for all makes with single disc brakes. Some
last more and some quite a bit less depending on use.
If you have seen the damage done by iron filings from the
disc, piston and backing plate and the amount of flushing
needed to get the shit out of the system then you would not
wish to risk it.
I had intended to change discs on my 6200 at 5000 hours but
they actually started to delaminate at 4700 and strted to
score the backing plate on one side sending enough filings
into the oil to block the filter. I knew the symptoms well
enough, having seen many tractors wear their brakes out, and
salvaged the situation without too much colateral damage.
Many are not so 'lucky'.
Hell, live dangerously, you might be lucky and the brakes
might have been hardly used at speed with heavy loads. Do
you feel lucky?
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Re: John Deere 6800
that's why we don't want a tractor from the UK:-P
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Re: John Deere 6800
"that's why we don't want a tractor from the UK"

We do tend to work them hard over here. I know of one
contractor who wears his NH TM135 brakes out yearly and he
has five of them :-/ He has the job of detecting and
changing brakes down to a fine art and his lads can now fix
a set and flush the system in around five hours. His
tractors average 2000 hours per year and when I visited last
summer the five year old tractors had between 9500 and 11000
hours each on them.
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Re: John Deere 6800
There isn't too many big contractors in Ireland anyway so
you might be a lucky one to get a good tractor but i suppose
the way the roads are over here and the conditions we have
to put up with its hard to tell.
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Re: John Deere 6800
I am not a contractor but do my own silage so it had done
some trailer work. Did not consider the brakes to have had a
hard time so was confident they would easily last 5000
hours. They didn't.

Huw
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