JD 350 C crawler loader 1980 Engine oil

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jeepglenn
40C crawler
40C crawler
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Location: Alberta

JD 350 C crawler loader 1980 Engine oil

Post by jeepglenn » Mon Aug 12, 2013 6:21 pm

Hello. The owners manual recommends straight 30W oil for summer use.
They recommend multi grade 5w20 for cold starts.

Would anyone out there have used multigrade in summer without problems?

Ideally I would like to run a 0W40 partial synthetic year round. I use that in my other equipment and its easy to have one source. The 0W40 has better hot weather lubrication in heat then 15W40 and has instant pressure at start up under all temps. In Alberta we have temp ranges from 105F to -40F, the 0W40 covers that range.

Thanks for any help.

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77 Ford
1010 crawler
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Post by 77 Ford » Tue Aug 13, 2013 6:57 am

I run 15w40 in my machine without issues but I do not have the temp swings you do.

I don't think it will be an issue for you but I'm not an oil science tech guy thingy.....

o ya petroleum engineer =)

Just my opinion.
JD- 450C track loader
Serial #208336T

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Lavoy
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Post by Lavoy » Tue Aug 13, 2013 2:27 pm

Run the 0W-40, I run synthetic in multiple machines, temps similar to yours.
Lavoy
Parts and restoration for antique and late model John Deere crawlers.
Owner and moderator www.jdcrawlers.com

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NWJD fan
440 crawler
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Location: Dease Lake B.C.

0-40 semi synthetic oil

Post by NWJD fan » Wed Aug 14, 2013 1:48 am

You might want to confirm the oil manufacturers recommended temp range. Petro-Can 0-30 used to not recommend use above +20 degrees C. 5-40 full synthetic (Rotella T6) has worked well for my diesel engines in far NW BC

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