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Old 06-26-2019, 08:05 AM   #1
FSA1673
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Default Re: ATI Trans Fluid

Thanks Marty that is exactly what I was looking for.

The kinematic viscosity of the Max Duty is similar to heavier hydraulic fluids such as John Deere Hy-Gard and Allison Transynd. Most regular trans fluids regardless of brand have similar kinematic viscosity. I imagine it depends on weight, rpm, and torque on what the converter will see.
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Old 06-26-2019, 12:26 PM   #2
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Default Re: ATI Trans Fluid

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Originally Posted by FSA1673 View Post
Thanks Marty that is exactly what I was looking for.

The kinematic viscosity of the Max Duty is similar to heavier hydraulic fluids such as John Deere Hy-Gard and Allison Transynd. Most regular trans fluids regardless of brand have similar kinematic viscosity. I imagine it depends on weight, rpm, and torque on what the converter will see.
Also what happens to different fluids at different temperatures.
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Old 06-26-2019, 01:42 PM   #3
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Default Re: ATI Trans Fluid

Most manufactures post their kinematic viscosity at 40 and 100 degrees so that you can compare them.
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Old 08-01-2019, 10:24 AM   #4
Jim Kaekel
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Default Re: ATI Trans Fluid

Torco also offers low and high viscosity ATF as well.
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Old 08-02-2019, 08:01 AM   #5
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Thumbs up Re: ATI Trans Fluid

If you do plan on trying the heavier oils, make sure you use a screen type filter, not fabric type
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Old 08-07-2019, 07:41 PM   #6
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Wink Re: ATI Trans Fluid

I'll be trying the JD hydraulic oil at Bowling Green in a few weeks and will see if it lowers rpm by a 100-200 going through the top end. Got the screen in, fluid level full and ready to go.
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Old 10-30-2019, 10:06 AM   #7
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Default Re: ATI Trans Fluid

Spike 1
What did you find?

Also curious if hyd fluid changes reaction times?
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Old 10-30-2019, 11:04 AM   #8
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Default Re: ATI Trans Fluid

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I'll be trying the JD hydraulic oil at Bowling Green in a few weeks and will see if it lowers rpm by a 100-200 going through the top end. Got the screen in, fluid level full and ready to go.
If it lowers the rpm at top end.
Does it lower the Stall hit?

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