1938 John Deere B

706 Farmall · Aug 18, 2020

What engine oil should be used in these old 2 cylinders today?

Thanks

James Howell · Aug 18, 2020

Take a look at the [b:654c4848f0]LUBRICATION CHART[/b:654c4848f0] below.

Hope this helps.

Mark-Ia · Aug 18, 2020

I use 15w40 Rotella

706 Farmall · Aug 18, 2020

Thanks, I have the same manual. I have just seen other posts they use 15-40. I have always used 30W. I just wanted to minimize the different oils. Thanks

James Howell · Aug 18, 2020

"[b:654c4848f0][i:654c4848f0]I have just seen other posts they use 15-40[/i:654c4848f0][/b:654c4848f0]"

We use 15-40 in all of our antique tractors.

old · Aug 18, 2020

A lot depends on the condition of the engine. I use 60W racing oil in my 1935 JD B but it does also smoke a lot and uses a lot of oil. But if it has ever been rebuilt in would have been done back in the 50s. If it is in good shape you can run say a 20W-50 or a 10W-40. Oils have change for the better since it was built

HFP · Aug 18, 2020

I run straight 30W in all my 2 cylinders. Never had an issue.

1938 John Deere B

706 Farmall

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James Howell

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706 Farmall

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old

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