FLUIDS

General help and support for your Lindeman through 2010 John Deere crawler
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440 CRAWLER
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FLUIDS

Post by 440 CRAWLER » Tue Aug 16, 2005 5:32 am

What are the proper oils to be running in my 440's trans , reverser , and engine oil ?

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Lavoy
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Post by Lavoy » Tue Aug 16, 2005 9:56 am

Trans is gear lube, either 90 wt, or 85W-140.
Reverser is common systems fluid, Deere used to call it 303 fluid, IH called it Multi-trans, Mobil calls it 424.
Engine is any good quality engine oil, either straight weight or multi-weight, will vary with your climate.
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440 CRAWLER
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Post by 440 CRAWLER » Tue Aug 16, 2005 7:03 pm

Lavoy

Can regular transmission fluid be used in the reverser ?

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Post by Lavoy » Wed Aug 17, 2005 8:54 am

I would not, gear lube has different properties than a hyd type fluid, and it is not worth the risk of high dollar components to try anything else.
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Stan Disbrow
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Post by Stan Disbrow » Fri Aug 19, 2005 11:25 am

Hi,

The answer would also be 'no' if you're referring to automotive automatic transmission fluid.

The current name for JD hydraulic fluid is Hy-Gard, and that's what you want in the differential-style direction reverser. Plus, it's also what you want in the lift hydraulic system. :)

Stan
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Post by Lavoy » Fri Aug 19, 2005 3:19 pm

I never thought of ATF, I was just thinking of gear lube. According to the sevice manual, you can use Type A automatic trans fluid. Type A is not longer around, but I believe that Type F is the replacement. I still would not use ATF, I am just not a fan of it.
As far as Hy-Gard in the hydraulic system, you will get some pressure loss, and some increases howling. For whatever reason, these old gear pumps do not seem to like Hy-Gard and will howl. If/when I run a multi-trans, I always have to reshim the bypass to get pressure back. If cross contanination with other later model machines is not an issue, I have better luck in the hydraulics with a straight weight hydraulic oil. I normally run an AW68, if you are in real cold conditions, you could drop a wieght.
Lavoy

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