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Re: (ET) GE-20 Transmission Oil Specs

I had this one wrong.   While I used Mobil 1 in the ET transaxle without seal damage I queried Exxon Mobil and they responded "....do not recommend synthetic oil in pre-1980 applications due to incompatibility issues of the seals."  But their website also says synthetics "....fully compatible with the elastomeric materials from which all automotive seals and gaskets are made." I would not know an elastomeric seal from an Alaskan seal, sticking with 85-140.
Jack
----- Original Message -----
From: John Casey
Sent: Thursday, November 30, 2006 10:02 PM
Subject: Re: (ET) GE-20 Transmission Oil Specs

I take it that you're not the original owner and may not know what's in the trans.  The 85-140 gear oil is perfect, even if you live in the snowbelt.  If you live in a REAL  snowbelt like northern Maine you can use straight 85.  Remove the old oil with the tractor flat on the ground then get the rear wheels at least 5" off ground for 64 ozs of new oil.  I used 75 wgt. Mobil 1 synthetic for more than a year without problem,  replaced it with 85-140 because I thought the trans was noisy and heavier oil would quiet it down and also because I saw a post about synthetics damaging seals.  Now believe synthetics to be safe, the stuff is in the engine, trans and axle of my BMW...if it's good enough for them it's good enough for me. 
Good luck, Jack
----- Original Message -----
Sent: Thursday, November 30, 2006 7:53 PM
Subject: (ET) GE-20 Transmission Oil Specs

My E-20 slows down some in colder weather which causes me to believe I should change the transmission oil. Members have reported that the oil can be drained by parking on a steep slope. There are comments about ways to fill with 64 ounces of new oil. Some have said that synthetics are the way to go. Others have said that if you want to replace all your seals go with synthetics. Super Tech Gear Lubricant SAE 85W-140 GL-5 which I think is regular oil at Wal-Mart Stores may be an acceptable choice. I will thank anyone with knowledge of the Peerless 2300 transmission to say if this will be OK. My tractor is used mainly for mowing and pulling a small trailer. Any additional tips for replacing the lubricant will be appreciated. I have access to several small jacks, a funnel with a long tube attached, some simple hand tools, and plenty of time, I hope. Any help and encouragements will be welcomed. Thank you.  

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