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  1. #1
    Bronze Member
    Join Date
    Nov 2001
    Posts
    92
    Location
    bayview township, bayfield co. WI
    Tractor
    NH TC25D

    Default recycling hydro oil

    My NH dealer accepts used hydro fluid, oil & coolant. So getting rid of old fluids is no real problem. Couple days ago I was running low on chainsaw bar oil. Either a real stupid or semi-intelligent thought came up. Used hydro oil (~7.5gal/ change) looks real clean & seems oily. Why not use it for bar oil? Any opinions?

  2. #2
    Epic Contributor Bird's Avatar
    Join Date
    Mar 2000
    Posts
    37,776
    Location
    Texas

    Default Re: recycling hydro oil

    Compare some hydro oil and chainsaw oil sometime and look at the difference. The chain oil is "thicker and stickier"; made for that purpose. Like a lot of things, hydro oil would be better than no oil, but I sure wouldn't use it in my chainsaw.

  3. #3

    Join Date
    Sep 2000
    Posts
    1,862
    Location
    The Fabulous Foothills of Northern California

    Default Re: recycling hydro oil

    Bird, you certainly are a cornucopia of information. I agree with you completely. Get a bar oil, it will stick much better and lubricate better. I have tried both methods and find the bar oil far superior to any other oil. Rat...

  4. #4
    Veteran Member
    Join Date
    Oct 2001
    Posts
    1,134
    Location
    South Carolina
    Tractor
    Kubota B7500

    Default Re: recycling hydro oil

    I had a guy from the city catch me when I was returning my used Rotella diesel motor oil at the recycle center. He was on a tree cutting crew and asked if he could take one of the gallons I was turning in to use in his saw. Not too sure I would do it but he said that's all he uses.

    My local kubota dealer would not take my used UDT.....pretty much reinforces my opinion of my local tractor dealerships.

    Jeff

  5. #5
    Epic Contributor Bird's Avatar
    Join Date
    Mar 2000
    Posts
    37,776
    Location
    Texas

    Default Re: recycling hydro oil

    I've never tried any "used" oil of any kind, but 30 years ago, I did use fresh new 30W motor oil. But the bar oil is so cheap, and I think better for the saw, too, that I wouldn't even do that now.

  6. #6

    Default Re: recycling hydro oil

    The favorite oil for chainsaws among the arborist croud is Canola Oil. It's vegitable, it's heavy, and it's biodegradable.
    Since all I've ever been interested in was lubricating the chain & bar, I've used recovered motor oil for over 30 years. Since it came out of an engine that costs a few thousand to replace, I figure it's more than good enough for bar oil on a chain saw.
    Hydraulic oil might be a bit light for chain lubrication.

  7. #7

    Join Date
    Jul 2001
    Posts
    198
    Location
    Northern Sacramento Valley, Calif.
    Tractor
    JD 300B, JD 4310

    Default Re: recycling hydro oil

    There is tremendous stress on the the pins and bushings in a chain- it should have an extreme pressure lubricant, such as gear oil or bar oil. This stress, and subsequent wear is the reason a chain has to be adjusted periodically- the pins and bushings are wearing, not stretching. I'm not, however, advocating using gear oil, just illustrating a point. It stinks and usually costs more than bar oil.

  8. #8
    Veteran Member
    Join Date
    Dec 2002
    Posts
    1,534
    Location
    Blair, Ne.
    Tractor
    L3130

    Default Re: recycling hydro oil

    I ran out of bar oil recently and used some hydro fluid. Since its lighter it comes out faster with the auto oiler. Don't know if this compesates the for the difference in oil or not but it seemed to work ok.

  9. #9
    Gold Member
    Join Date
    Oct 2002
    Posts
    317
    Location
    Middle Tennessee
    Tractor
    John Deere 4410

    Default Re: recycling hydro oil

    When I perform the 50 hr. break-in service on my 4410 I plan to save the hydro oil and use it in my log splitter.

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