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Old 16-04-2003, 10:56 AM
Chris Szilagyi
 
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Default John Deere 300 trans dipstick help

Hello,

I recently purchased a John Deere 300 garden tractor. I discovered
that the previous owner modified the transmission dipstick, and
attached a throttle cable to the cap instead of the regular metal
blade with the "safe" marks. I have gone to the local JD dealer and
got a replacement dipstick, but I don't think it's the correct one, as
it doesn't seem to be the right one. It is only 5 inches long or so,
and doesn't go very far down the filler tube.

Can anybody tell me what the exact length is from the cap to the safe
marks on their dipstick?? I am guessing all the JD 300 series
tractors have a similar transmission (hydrostatic). That would atleast
tell me if the one I got it right or not. I really appreciate it.

Thanks,
--
Chris

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Old 16-04-2003, 10:56 AM
Louis Fookaiser
 
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Default John Deere 300 trans dipstick help

It varied from model to the next, possibly from one S/N
to the next. The 300 is a really old machine and most of
those had the dipstick under and behind the operator's
seat, with a more or less straight tube down to the
transmission. Later ones had a fill tube under the hood
and a sight glass.

On some the oil level was above the bottom of the fill
tube, because there are no seals between the hydrostatic
unit and the final drive, and the final drive is quite a ways
below the input shaft. The shape of the unit makes the
fill tube end up attaching somewhere quite low overall
so there ends up being oil in the fill tube.

But it varies from model to model. I tore apart the hydro
on a 420 not long ago but I don't think the 300 is quite
the same.

Louis

"Chris Szilagyi" wrote in message
om...
Hello,

I recently purchased a John Deere 300 garden tractor. I discovered
that the previous owner modified the transmission dipstick, and
attached a throttle cable to the cap instead of the regular metal
blade with the "safe" marks. I have gone to the local JD dealer and
got a replacement dipstick, but I don't think it's the correct one, as
it doesn't seem to be the right one. It is only 5 inches long or so,
and doesn't go very far down the filler tube.

Can anybody tell me what the exact length is from the cap to the safe
marks on their dipstick?? I am guessing all the JD 300 series
tractors have a similar transmission (hydrostatic). That would atleast
tell me if the one I got it right or not. I really appreciate it.

Thanks,
--
Chris



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Old 16-04-2003, 10:56 AM
Chris Szilagyi
 
Posts: n/a
Default John Deere 300 trans dipstick help

You're right, this model has the filler tube coming out the back under
the seat. The tube itself is a weird shape, as it has two really
sharp bends before it goes into the transmission, so it's not actually
straight down. It appears to go into the transmission about at the
midpoint between the top and bottom of the transmission housing
itself. But now that you mentioned the oil level could be up the tube
a ways, that makes sense now. I just wasn't sure how far up the tube
it was supposed to be. I think I'll call the JD dealer to double
check the part # on it. Thanks a lot!

--
Chris

"Louis Fookaiser" wrote in message thlink.net...
It varied from model to the next, possibly from one S/N
to the next. The 300 is a really old machine and most of
those had the dipstick under and behind the operator's
seat, with a more or less straight tube down to the
transmission. Later ones had a fill tube under the hood
and a sight glass.

On some the oil level was above the bottom of the fill
tube, because there are no seals between the hydrostatic
unit and the final drive, and the final drive is quite a ways
below the input shaft. The shape of the unit makes the
fill tube end up attaching somewhere quite low overall
so there ends up being oil in the fill tube.

But it varies from model to model. I tore apart the hydro
on a 420 not long ago but I don't think the 300 is quite
the same.

Louis

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Old 16-04-2003, 10:56 AM
Tony Miklos
 
Posts: n/a
Default John Deere 300 trans dipstick help

Chris Szilagyi wrote:

You're right, this model has the filler tube coming out the back under
the seat. The tube itself is a weird shape, as it has two really
sharp bends before it goes into the transmission, so it's not actually
straight down. It appears to go into the transmission about at the
midpoint between the top and bottom of the transmission housing
itself. But now that you mentioned the oil level could be up the tube
a ways, that makes sense now. I just wasn't sure how far up the tube
it was supposed to be. I think I'll call the JD dealer to double
check the part # on it. Thanks a lot!


You could also drain the oil completly, then fill it according to the
specs. Then compare that level to the dipstick reading.

--
Tony
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Old 16-04-2003, 10:56 AM
Chris Szilagyi
 
Posts: n/a
Default John Deere 300 trans dipstick help

Tony Miklos wrote in message ...
Chris Szilagyi wrote:

You're right, this model has the filler tube coming out the back under
the seat. The tube itself is a weird shape, as it has two really
sharp bends before it goes into the transmission, so it's not actually
straight down. It appears to go into the transmission about at the
midpoint between the top and bottom of the transmission housing
itself. But now that you mentioned the oil level could be up the tube
a ways, that makes sense now. I just wasn't sure how far up the tube
it was supposed to be. I think I'll call the JD dealer to double
check the part # on it. Thanks a lot!


You could also drain the oil completly, then fill it according to the
specs. Then compare that level to the dipstick reading.


Yeah I thought of that. Unfortunately I ended up overfilling the
thing, using the dipstick they gave me because it was too short. I
called them back and talked to somebody else who was finally able to
find the correct one. The one they originally gave me is a straight
blade-type dipstick, used for transmissions without the PTO coming out
the back. Mine has the PTO and the tube has a curve that comes out
over to the side. Oddly enough, the dipstick looked just like what I
had originally. It looks just like a piece of throttle cable attached
to a cap, with about 3/4 of an inch of black paint on the end to mark
the level. Strange but it works. Thanks again for the feedback.


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