[AT] Questions on a 1953 John Deere M

[Stephen Offiler]

I would not use a thin oil in an old and presumably worn engine.  I think
15W-40 diesel rated oil is a great choice.  Aside from the brands
mentioned, you can also find off-brand budget-friendly oil at most places
(like Tractor Supply, Runnings, NAPA, etc).  Then again, the benefit of
straight-weight oil is that there's more oil in there vs multi-viscosity.
The "viscosity improver" additives take up significant volume.  I'd still
avoid thin stuff, climate dependent.  I still see straight SAE 30 and 40 on
the store shelves; haven't seen 10 or 20 in quite a while.

SO

SO


On Sun, Jul 4, 2021 at 2:41 PM Mike M <meulenms at gmx.com> wrote:

> I like Mobil Delvac 1300 Super 15w40. Pretty cheap at Wally World or Rural
> King.
>
> Mike M
>
> On 7/4/2021 12:11 PM, Henry Miller wrote:
>
> Awww yes, the old oil debate.
>
> Diesel oil is recommended because some of them have a sf rating which is
> better for your engine than the modern sj rating. Read the fine print on
> the back, if it has a sf rating it is better than anything available when
> it was new. If not I wouldn't use it.
>
> 15w40 is what I use, but mostly because it is easy to find.
>
> --
>   Henry Miller
>   hank at millerfarm.com
>
>
>
> On Sun, Jul 4, 2021, at 10:03, Howard Fleming wrote:
>
> Happy 4th all. Have some questions I hope you'll can help me with.
>
> Bought this home yesterday:
>
>
> Looking for general suggestions of things to check, and recommendations on
> oil (engine, transmission and hydraulic).
>
> So far, I have changed the oil, using 10w-20 oil to get it running and
> home.  I plan on switching to a diesel rated oil, what oil and rating would
> you recommend?  Manual calls for 10w in the winter, and 20w in the summer,
> but things have changed since then.
>
> While changing the engine oil filter, found that the lower and upper
> plates are missing, I have replacements for them on the way.
>
> Ignition switch needs to be replaced (or repaired), it is not supplying
> power to the coil, but otherwise is working.  Generator is charging the
> battery.
>
> Other than the ignition switch (and lights), and possibly the temperature
> gauge for the engine, everything appears to be working.
>
> Thanks,
> Howard
>
>
>
>
>
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