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  1. #1
    Silver Member
    Join Date
    May 2006
    Posts
    134
    Location
    Rolla, Missouri
    Tractor
    2008 Montana R3644

    Default Changing fluids at 50 Hrs

    I recently passed 50 Hrs with my Montana R3644 shuttle. I already changed the engine oil to Rotella synthetic and I now am going to change front axle and the Hydrualic/transmission.

    In reading the manual one place for the front end it says use 80w gear oil and in another place it says use hydraulic/transmision oil. Any thoughts which is correct?

    Also what about changing the main transmision,hydrualic oil. how do I get all the oil out of the cylinders and every location? Has any one changed there hydraulic/transmission oil on their montana 2844, 3644, or 4344 that can help me with this. The owners manual is not descriptive about this at all. I even have the service manual and it is does not mention it either.

    Jack in Missouri

  2. #2
    Platinum Member Sackett2's Avatar
    Join Date
    Feb 2008
    Posts
    721
    Location
    Eugene, Oregon
    Tractor
    Montana 4344HST

    Default Re: Changing fluids at 50 Hrs

    From what I gather The transmission is "tractor fluid" the combo oil/trans fluid. On the 4344 its about 12 gallons. The front diff is standard gear oil. I discussed it with our oil supplier. He said they only carry one type of tractor fluid for the tractors and this is the same that is supplied to the cat dealer. He starts spouting all type of stuff about what is in oil; interesting but overwhelming. I'll trust him to get me the right stuff.
    Sackett aka "Steve"
    TSgt, USAF Ret. 1981-2001
    2008 Montana 4344HST
    4' Brush Hog; 6' rear blade; 6' box blade

    "Thanks for the tractor Rick"
    In memory of my brother
    Richard A. Hansen 1961-2008
    SSgt, USAF Ret. 1980-2000

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