hydraulic systems / Ingersoll lawn tractor

1946 BN IHC · Feb 22, 2021

I have just been reading the post re hydraulic fluid/ hytran further on down. One person stated about using automatic transmission fluid.
The lawn tractor I am working on is driven by hydraulic pump and motor and is connected to noting else
[the differential is a separate sump] ; ??? Would ATF work in this unit as well or better than Hydraulic fluid >>since it is a closed
system? , and be less expensive in all way since I am starting fresh with new oil in the system.
Wm.

BarnyardEngineering · Feb 22, 2021

For best results you should use whatever fluid your owner's manual suggests.

I just did a little quick googling, and from what I can see, you should be using straight SAE 30 engine oil in your hydraulic system, nothing else. Not Hytran. Not automatic transmission fluid (ATF).

Frankly, I don't understand where you think ATF is cheaper. It just doesn't pencil out for me. Tractor Supply Universal Transmission Fluid is $39.99 a 5 gallon bucket. They also sell a "Multi-Purpose ATF" for $69.99 for a 2 gallon bottle.

1946 BN IHC · Feb 22, 2021

I am re building this unit from scratch. Yes sae 30 was in the owners manual. IHC at one time in its past also used the same before Hydraulic
oils were developed. Since I have cleared out any oil in the system I can and am starting fresh: happening to come across the post mentioned:
I thought I would investigate the Idea that was mentioned; using ATF oil as opposed to hydraulic oil. So I will still look into the type of
oil to start fresh with, since this will probably be the last time any one changes the oil in the hydraulic system of this unit, so will do
it justice "once and for all".
Wm.

steve_in_mo · Feb 22, 2021

You could look it up on the Case/Ingersoll website.
https://casecoltingersoll.com/forum.php

hydraulic systems / Ingersoll lawn tractor

1946 BN IHC

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BarnyardEngineering

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1946 BN IHC

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steve_in_mo

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