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Case Tractors Discussion Forum

LA fluids

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Engineer20

09-17-2004 08:01:31

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Hello,
I'm new at this and I am sure this has been brought up before so I apologize in advance. I just picked up my LA and I want to get all of the fluids and filters changed since I don't know when the last time it was ever done. I have the operators manual that says what fluids to use but I figure it's probably different these days.

1. What engine oil and weight do you reccommend? I have the filter #.

2. What should I use for trans. oil?

3. What hydraulic fluid and filter should I use?

4. Is it safe to use a 1/2 and 1/2 mix of anti-freeze and water for all year use or should I completely drain the system for winter storage. (I live in Nebraska)

5. Any other tips related to my questions are welcomed also!

Thanks for you time!
Mike

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Steve-MN

09-19-2004 19:34:30

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Re: LA fluids in reply to Engineer20, 09-17-2004 08:01:31

Mike,
I just looked at the trany lube jug. It's Mystik 85/140. (not 95/140 like I said Fri) That crankcase is massive & takes 17 gallons. Farm & Fleet puts that stuff on 1/2 price & I waited for that.
Good Luck!
Steve

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Engineer20

09-20-2004 07:22:20

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Re: LA fluids in reply to Steve-MN, 09-19-2004 19:34:30

Thanks again Steve! I going to work on it all this week.
Mike

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Tom Railsback

09-18-2004 18:45:55

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Re: LA fluids in reply to Engineer20, 09-17-2004 08:01:31

I am quoting from Case Dealer's Service Manual for Case Hydraulic Control Unit for S, D, & LA Series Tractors: OIL SPECIFICATIONS

A good quality straight mineral engine oil made by a reputable manufacturer shold be used in the hydraulic system.
When tje unit is used at low temperatures (below 30 degress F.), and SAE. 10 or 10Woil should be used. THis grade of oil is suitable for temperatures up to 80 defgees F.
When operatinf in high temperatures (above 80 degrees F.),an SAE 30 oil should be used.
The oil should not be changed except for seasonal temperature changes as mentioned above.

The filter part number (old CASE number) is O8440AB. (THis has changed to A27377)

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Steve-MN

09-17-2004 11:12:25

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Re: LA fluids in reply to Engineer20, 09-17-2004 08:01:31

Hi Mike,
Congratulations on your purchase!
I just learned most of this 3 yrs ago when I purchased back Dad's LA. It sat 20 yrs.
1. I use non-detergent 30 wt in the tractor & but do not use the tractor in the winter. Napa or Case has it. Cheaper at Napa by the qt than at Case in 2 gallon jugs. Detergent oil keeps particles in suspension so that the filter can remove. LA's are bypass filters, so I figured I better use non-detergent so the junk settles out. Don't forget to pull that 2nd plug on the battery side of the tractor near the rear of the engine. You'll get about a qt out of there & clean that out.
2. Trans oil I used exactly what the book says. I think 95w140. I filled first with diesel fluid & ran around a couple miles to clean out first.
3. Don't have hydraulics. Good luck!
4. I use 1/2 & 1/2 & live in MN. It was 30 below last year at one pt. Anti-freeze got a little slushy, but you'll be fine with that. It will keep the o-rings & seals wet also.
Take out the oil pump & clean the screen. I also removed a couple access covers & hosed out the oil pan with diesel fluid.
If the tractor has sat, make sure the push rods aren't stuck. Pretty common. Also make sure you have oil going to all the lines under the valve cover when running.
Have fun!
Steve

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AllanC

09-17-2004 21:14:05

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Re: LA fluids in reply to Steve-MN, 09-17-2004 11:12:25

Good advice there Steve. A note about the antifreeze. 50/50 mix is more than adequate to prevent any freezing. Antifreeze will "congeal" if it gets colder than it's rating but it will not expand and break anything. If the tractor has sat with no coolant for a long tiem I would loosten the oil drainplug after it has sat a week or so and make sure nothing is leaking into the pan. If there is a little some block sealer should fix it up.

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Engineer20

09-19-2004 07:55:22

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Re: LA fluids in reply to AllanC, 09-17-2004 21:14:05

Thanks for everyones help!!!

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