[AT] Hydraulic oil vs. motor oil

Jim & Lyn Evans jevans at evanstoys.com
Mon Jun 13 17:16:07 PDT 2011


We had a Deere diesel engine at work that accidentally got HyGard put in 
it instead of engine oil.  It didn't last very long under load.

On 6/13/2011 3:54 PM, louis at kellnet.com wrote:
> Back in the 80's our farm pick up was in the local Ford garage for about 3
> months.  They gave us a '78 F250 to use off the used car lot.  It was really
> low on oil and all I had was some John Deere HyGard (Hydraulic/Trans oil).
> I put about 4 quarts in that 351 and ran it like that with no problems.
>
> Lou
>
> -----Original Message-----
> From: jahaze at aol.com
> Sent: Monday, June 13, 2011 10:38 AM
> To: at at lists.antique-tractor.com
> Subject: [AT] Hydraulic oil vs. motor oil
>
>
>
> I have a leak between the power steering pump and the engine block on my
> Case 430 industrial.  I have about two hours of run time left before I
> finish the project I'm working on.  Will it hurt the engine if I keep using
> it knowing that the engine oil is getting contaminated by hydraulic oil?  I
> can tear it all apart before I finish, but I'd really like to get this
> project done first.
>
> Enjoy, Joe
>
>
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