Gear Oil

1959 - 1978, M151, M151A1, M151A2, Technical questions and discussions, regarding anything related to the M151.
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Helirescue
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Gear Oil

Post by Helirescue » Mon Feb 29, 2016 12:49 pm

I've been searching posts, was curious how everyone felt about using the same gear oil for diffs, trani and transfer case? OK to do, or not?
Update....brake system replaced, NOT going to recommend changing out master cylinder for a good time.... Sprayed a squirt of starter fluid into carb, she started, so fuel pump next, paint in the next few months, radio arriving in the next month.
New to Vintage Military Vehicles
1966 M151A1 currently under resto


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Kurt Lesser
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Re: Gear Oil

Post by Kurt Lesser » Mon Feb 29, 2016 3:28 pm

I've used SAE 90 in mine for the last 25 years without problems. I live in San Jose and we don't see temperature extremes here and generally that's one reason for varying oil viscosities, the other being high mileage.

Kurt
Kurt Lesser
US Navy, 1969-1975
M996A1 Ambulance w/M101A3 Trailer
M274A2 Mule
M151A1 Mutt w/M416B1 Trailer
M890 Crew cab

Rickf
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Re: Gear Oil

Post by Rickf » Mon Feb 29, 2016 3:44 pm

If you can still find straight 90 than that is the best for all of your driveline stuff.
1964 M151A1
1984 M1008
1967 M416
04/1952 M100
12/1952 M100- Departed
AN/TSQ-114A Trailblazer- Gone


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