Mixing hydraulic fluid when using used attachments
- Thread starter hamdog
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Lineman North Florida
Veteran Member
- Joined
- May 12, 2008
- Messages
- 2,499
- Location
- LaCrosse Florida
- Tractor
- Farmtrac 360 DTC with FEL & John Deere 5093E with FEL ,Kubota SVL 75-2
I use a pull type fertilize spreader from the company I buy fertilize from 3 or 4 times a year, but the cylinder is always retracted when I get it, I'm sure there is a little mixing from operating the cylinder but I have never had a problem or noticed my hydraulic fluid being any different.
1stDeuce
Gold Member
I don't think you'll have much issue. There's not really that much fluid in a cylinder when it's retracted, unless it's a big one... Chances of someone having a tractor with such rancid fluid that it wrecks something in your tractor at a 30 or 30:1 mix ratio is pretty unlikely. If you notice the fluid change color drastically after using a borrowed attachment, do a fluid change a bit early.
And most oils used in hydraulic systems are compatible. Even engine oil or gear oil is going to be fine mixed with hydraulic oil in small quantities.
And most oils used in hydraulic systems are compatible. Even engine oil or gear oil is going to be fine mixed with hydraulic oil in small quantities.
1stDeuce - that's what I was thinking, but didn't know if the same hydraulic fluid serving implements also serves the HST transmission. People do it all the time. I was just looking at used implements and borrowing my father in laws (dumpcart, harrows w/hydraulic lift). Thanks again for the quick reply
Fallon
Super Member
HST machines & most modern tractors have a common sump hydraulic system. All the fluid ends up in the transmission. Saves having to stock, check & change multiple fluids.
I haven't borrowed or rented any impliments yet, but the contamination concern has been in the back of my mind as well.
Plan B is to pull off the QDs or hoses & drain the hoses & cylinders into a bucket. I did that on the cylinder for my used 3pt trencher. Of course I needed to replace the QDs to fit my machine as well. May not have bothered if the QDs had fit, but it was good piece of mind.
I haven't borrowed or rented any impliments yet, but the contamination concern has been in the back of my mind as well.
Plan B is to pull off the QDs or hoses & drain the hoses & cylinders into a bucket. I did that on the cylinder for my used 3pt trencher. Of course I needed to replace the QDs to fit my machine as well. May not have bothered if the QDs had fit, but it was good piece of mind.
sailfast
Silver Member
Flush some from your machine through when you get started. Connect only one side and put a fitting on the other, operate the valve appropriately. Done