From: cgarbee@ipass.net
Date: Wed Sep 08 2004 - 10:54:25 PDT
GL-1 is the correct rating for the gear lube.
GL-5 may or may not have additives for EP that affect yellow metal bearings, but
is likely to have the addititives.
GL-5/MT-1 is GL-5 without the additives that effect yellow metal bearings, so it
should be ok from that standpoint, but the comment about correct functioning of
synchros and such would still apply...
I have found that GL-1 at my local Agri-Supply is about a third the cost of GL-5
or GL-5/MT-1 for any given grade...
CGarbee
www.garbee.net/~cabell
www.ncmvpa.com
Quoting D O <dohe69@hotmail.com>:
> The oil specified for the trans, t-case, and axles is GL1, gear lube that
> does not contain any extreme pressure additives. The concern is that the EP
>
> additives attack the yellow metal parts (synchros) in the trans and t-case,
> as well as not allowing enough friction for them to work properly. Others
> say that it doesn't hurt anything.
>
> I ended up finding some GL1 for the trans and t-case, and just used standard
>
> GL5 in the axles. I also did not know what was in any of mine, but as I do
> with any used vehicle, I went through all the fluids for peace of mind. You
>
> never know what was previously used, or when.
>
>
> >From: "Alex" <alex@glx.net>
> >To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
> >Subject: [MV] M35a2.. 80/90 gear oil... or?
> >Date: Sun, 5 Sep 2004 12:08:28 -0500
> >
> >So I'm under the belly of the beast draining the fluids from the drive
> >train for the first time. They all look pretty much the same EXCEPT
> >what's coming out of the transfer case. It's darker and smells kinda
> >chemically. I was going to put new 80/90 (API GL5, GL4, GL3 rated) in
> >everything, but now I don't know what to do. The truck was surplused
> >about 6-9 months ago from a local reserve unit that was shipped off to
> >Iraq, so I can't run down there and ask them. I'd like to drive the
> >truck today or tomorrow but I'm not sure about the fluids. Can someone
> >shed some light on the right thing to put in? The online LO doesn't
> >mention any difference for the fluid that goes into the transfer.
> >Thanks,
> >Alex
> >
> >PS... I'm not sure I had to do this... the fluids looked real clean...
> >but better be safe than sorry.
> >
> >
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