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Model B Engine Oil
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TL73 View Drop Down
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Joined: 23 hours 26 minutes ago
Location: North MS
Points: 2 		Post Options Post Options   Thanks (0) Thanks(0)   Quote TL73 Quote  Post ReplyReply Direct Link To This Post Topic: Model B Engine Oil
    Posted: 23 hours 5 minutes ago at 6:49am
I have a 38' B and I have no history of the oil type previously used. Since it has a filter, I would assume it's best to use a detergent oil and do a few low hour filter changes. I use PennGrade 30wt High Zinc engine oil in my vintage car engines and I'm planning on using the same in the tractor. Anyone use a high zinc engine oil?
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WF owner View Drop Down
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Joined: 12 May 2013
Location: Bombay NY
Points: 5199 		Post Options Post Options   Thanks (1) Thanks(1)   Quote WF owner Quote  Post ReplyReply Direct Link To This Post Posted: 22 hours 39 minutes ago at 7:15am
Originally, they recommended 30 weight non-detergent oil for summer months and 10 weight non-detergent for the winter. That as the industry standard for the days before multi-viscosity oil.  I use 10W-30 in all the old engines, especially after a rebuild when all the sludge has been cleaned out.
The "experts" on here do recommend a high zinc oil.
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tbran View Drop Down
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Joined: 14 Sep 2009
Location: Paris Tn
Points: 3673 		Post Options Post Options   Thanks (1) Thanks(1)   Quote tbran Quote  Post ReplyReply Direct Link To This Post Posted: 21 hours 20 minutes ago at 8:34am
As stated before, 4 cycle lawn mower motor oil as in Kohler and Kawasaki or the old diesel motor oil, Delno or Rotella  (not the latest diesel emission oil) has the selenium, copper and zinc additives. Automotive oils designed for engines with roller lifters, for pollution purposes, do not use these additives (they could but cam wear is not an issue so the automotive industry had them taken out so as to impress the environmentalists.  So unless your B has had a roller cam installed :-) ....  10W30 ish
When told "it's not the money,it's the principle", remember, it's always the money..
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
Location: illinois
Points: 91041 		Post Options Post Options   Thanks (1) Thanks(1)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 13 hours 12 minutes ago at 4:42pm
any good 10W30 motor oil is fine... but if you want to STANDARIZE on the straight 30wt, that will be fine..  especially since you live in the South with mild winters.

also note that this engine has a BYPASS filter, so no need to change often.. only 15% of the oil goes thru the filter... the more it gets PLUGGED, the better your oil pressure will show on the gauge..

if your worried about sludge buildup in the oil... drain off a cup after 30 40 hours and take a look... then go from there..


Edited by steve(ill) - 13 hours 7 minutes ago at 4:47pm
Like them all, but love the "B"s.
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HoughMade View Drop Down
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Joined: 22 Sep 2017
Location: Valparaiso, IN
Points: 720 		Post Options Post Options   Thanks (1) Thanks(1)   Quote HoughMade Quote  Post ReplyReply Direct Link To This Post Posted: 12 hours 31 minutes ago at 5:23pm
I have always used Shell Rotella (not synthetic) 10w30.
1951 B
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Les Kerf View Drop Down
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Joined: 08 May 2020
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Points: 1666 		Post Options Post Options   Thanks (1) Thanks(1)   Quote Les Kerf Quote  Post ReplyReply Direct Link To This Post Posted: 8 hours 52 minutes ago at 9:02pm
Originally posted by TL73 TL73 wrote:

... I use PennGrade 30wt High Zinc engine oil in my vintage car engines and I'm planning on using the same in the tractor...

This will be just dandy Smile
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