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#1
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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 |
#2
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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 |
#3
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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 |
#4
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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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