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  1. #1
    Veteran Member kebo's Avatar
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    May 2006
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    Lexington, SC
    Tractor
    2001 John Deere 790 4x4, bar tires

    Default Penetrating oils - revisited again.....

    I copied this from another forum, hope that's not a problem. I know this subject has been brought up a few times, but thought some might appreciate it again.


    "Machinist's Workshop" recently published information on various penetrating
    oils. The magazine reports they tested these products for "break out torque"
    on rusted nuts and bolts.

    A subjective test was made of popular penetrating oils, with the unit of merit
    being the torque required to remove the nut from a "scientifically rusted"
    bolt.

    Average torque load to loosen nut:

    No Oil used ........................ 516 foot pounds
    WD-40 ..................... ........ 238 foot pounds
    PB Blaster ......................... 214 foot pounds
    Liquid Wrench ....................127 foot pounds
    Kano Kroil ......................... 106 foot pounds
    ATF/Acetone mix.................. 53 foot pounds

    The ATF/Acetone mix is a "home brew" mix of 50/50 automatic transmission fluid
    and acetone. Note this "home brew" released bolts better than any commercial
    product in this one particular test.

    Note also that Liquid Wrench is almost as good as Kroil for 20% of the price.
    ATF/Acetone mix is best, but you can also use ATF and lacquer thinner in a
    50/50 mix.

    ATF = Any type of Automatic Transmission Fluid
    Nothing could be finer than riding my JD790 in South Carolina!!

    2001 John Deere 790 4x4 with Model 70 FEL, 5ft International World Agritech bush hog, 5ft Wallberg BB, 5ft Frontier disc harrow, 5ft King Kutter II Rototiller, 5ft Cultipacker, 5ft Sitrex finish mower, Leinbach PHD with 9" & 12" augers, Leinbach middlebuster, Leinbach #11 Field Cultivator, boom pole, custom 3pt handi-hitch, clamp on bucket forks, Pat's Easy Change.

    Nothing runs like a Deere, or smells like a John....

  2. #2
    Gold Member
    Join Date
    Dec 2010
    Posts
    471
    Tractor
    MASSEY FERGUSON 1532

    Default Re: Penetrating oils - revisited again.....

    Quote Originally Posted by kebo View Post
    I copied this from another forum, hope that's not a problem. I know this subject has been brought up a few times, but thought some might appreciate it again.


    "Machinist's Workshop" recently published information on various penetrating
    oils. The magazine reports they tested these products for "break out torque"
    on rusted nuts and bolts.

    A subjective test was made of popular penetrating oils, with the unit of merit
    being the torque required to remove the nut from a "scientifically rusted"
    bolt.

    Average torque load to loosen nut:

    No Oil used ........................ 516 foot pounds
    WD-40 ..................... ........ 238 foot pounds
    PB Blaster ......................... 214 foot pounds
    Liquid Wrench ....................127 foot pounds
    Kano Kroil ......................... 106 foot pounds
    ATF/Acetone mix.................. 53 foot pounds

    The ATF/Acetone mix is a "home brew" mix of 50/50 automatic transmission fluid
    and acetone. Note this "home brew" released bolts better than any commercial
    product in this one particular test.

    Note also that Liquid Wrench is almost as good as Kroil for 20% of the price.
    ATF/Acetone mix is best, but you can also use ATF and lacquer thinner in a
    50/50 mix.

    ATF = Any type of Automatic Transmission Fluid
    I have seen a chart like this before , only it even listed water as a lube . It fell in between nothing and WD-40 .

  3. #3
    Super Star Member murphy1244's Avatar
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    Nov 2011
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    Ohio
    Tractor
    Kioti DK 40-Massey ferguson 135-Ventrac 4500 Diesel

    Default Re: Penetrating oils - revisited again.....

    I like Kroil, I used it as a dunk oil for two Harley transmissions that looked like they came from the bottom of a lake. One week soaking and every darn bolt broke right free.
    Murph ------------

  4. #4
    Elite Member Don87's Avatar
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    SW Pa.
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    Massey Ferguson GC2400

    Default Re: Penetrating oils - revisited again.....

    I'll be darned, I've had better luck with PB Blaster than Liquid Wrench, but that test shows otherwise.
    Don

    MF GC2400, FEL, 60in.MMM, 5ft. Cultivator, Single Bottom Plow, Bush Hog RTC48 tiller, MF 2360 front mount snowblower, 5ft backblade. BXpanded Piranha toothbar.

  5. #5
    Silver Member dkhntr04's Avatar
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    Sep 2010
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    Location
    Northern MN
    Tractor
    Deere 3720 Cab

    Default Re: Penetrating oils - revisited again.....

    I used the 50/50 ATF/Acetone mix for the first time today. I had a 2" diameter pivot that was seized in place. The same joint on the other side of this machine froze up a few years back and required lots of heat, pounding, a 6' pry bar, and a hydraulic spreader to get free.

    I soaked the joint a few times and waited 2 hours. I then started working it with the strap-winch that turns it, and using jacks and hammers to push it around. In less than 30 minutes the joint was totally free.

    I am sold. That saved me 12 hours of labor-intensive work. Thanks for posting it!

  6. #6
    Gold Member
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    Jan 2013
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    365
    Location
    jackson,oh
    Tractor
    918 allis-chalmers

    Default Re: Penetrating oils - revisited again.....

    I'm sure PB BLAStER folks would challenge this study if they knew about it.Many times studies are faulty or just slanted. don-ohio (:^)

  7. #7
    Platinum Member
    Join Date
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    954

    Default Re: Penetrating oils - revisited again.....

    AS I have tried everything on the list in the past, I look forward to trying the ATF mixture. One that I would have rated higher was PB Blaster. Someplace along the line I was told to use household bleach for stuck piston rings. This does NOT work for what I was doing.

  8. #8
    Veteran Member gwdixon's Avatar
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    Northern CA

    Default Re: Penetrating oils - revisited again.....

    Add kerosene or mineral spirits to the acetone/ATF mix (1/3 of each) and you get Ed's Red. It is used for cleaning gun bores and general gunsmithing. Shooters swear by it and it is MUCH cheaper than Hoppe's, Shooter's Choice, or other similar gun products.

    Oh, and the kero/mineral spirits will allow the ATF and acetone to stay in solution rather than separating out.
    2009 Kubota M7040, R1s, LA1153 FEL, fork lift, 3 rear remotes, T&T
    2002 Kubota L48 TLB, 12", 18", 24" HD buckets
    2001 Kubota BX2200, Turf, LA211 FEL
    7.5' Howse 3PT disc, 88" Gearmore 4G4 box scraper, 4' box scraper, Gearmore GB85 blade, LandPride RCR2596 cutter, 6', 4' flail mowers, 6', 4' rototiller, 4' Bush Hog cutter, HD subsoiler, Bearcat 70554 chipper, Bush Hog PHD w/ 12", 6" augers, Ford 101 3-bottom plow, 8' land leveler, 6' rake, lots of misc.

  9. #9
    Elite Member Don87's Avatar
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    SW Pa.
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    Massey Ferguson GC2400

    Default Re: Penetrating oils - revisited again.....

    Quote Originally Posted by gwdixon View Post
    Add kerosene or mineral spirits to the acetone/ATF mix (1/3 of each) and you get Ed's Red. It is used for cleaning gun bores and general gunsmithing. Shooters swear by it and it is MUCH cheaper than Hoppe's, Shooter's Choice, or other similar gun products.

    Oh, and the kero/mineral spirits will allow the ATF and acetone to stay in solution rather than separating out.
    Old timers around here always swore by ATF and Kerosene mixture.
    Don

    MF GC2400, FEL, 60in.MMM, 5ft. Cultivator, Single Bottom Plow, Bush Hog RTC48 tiller, MF 2360 front mount snowblower, 5ft backblade. BXpanded Piranha toothbar.

  10. #10
    Platinum Member herringchoker's Avatar
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    New Brunswick, Canada
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    Kubota B7800, Case 450

    Default Re: Penetrating oils - revisited again.....

    I've been using the ATF/acetone mix for the past 6 months or so. It's the best I've found yet....and the cheapest.
    Kubota B7800, LA402 FEL, Homemade cab, 60" bushcutter, 74" rear snowblower.
    Kubota RTV500.
    Case 450 c/w 6-way dozer.

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