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  1. #1

    Default Hydro Drive Maintenance

    Hi, I'm thinking about getting a tractor with hydrostatic transmission.

    Do they require a lot of maintenance? Do they leak a lot?

    How many hours can the seals last before replacement?

    Thanks.

  2. #2
    Epic Contributor MossRoad's Avatar
    Join Date
    Aug 2001
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    24,153
    Location
    South Bend, Indiana (near)
    Tractor
    Power Trac PT425 2001 Model Year

    Default Re: Hydro Drive Maintenance

    Hello! [img]/forums/images/graemlins/laugh.gif[/img]

    Regular maintance usually consists of changing a hydraulic filter, topping off the hydraulic fluid level, and that's about it for the hydrostatic equipment that I own. It shouldn't leak. If it does, there is a problem.

    As for how many hours before seals start to go, there are probably too many variables to figure that out. For instance, if you run in dirty conditions all the time, check the fluid levels without cleaning the cap first, never change the filters, let it over heat often and get dirt in your hydraulic quick connectors all the time, it probably won't last as long as somone that maintains their equipment as suggested by the manufacturer. [img]/forums/images/graemlins/wink.gif[/img]

    I'd check with some high hour owners of the units that you are considering and see what they have to say.

  3. #3
    Elite Member
    Rest in Peace

    Join Date
    Apr 2003
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    3,741
    Location
    New Hampshire
    Tractor
    Kubota B2710, IH TD6-62 dozer with Drott 4n1 bucket loader

    Default Re: Hydro Drive Maintenance

    I have over 900 hours on my kubota B2710 HST with no problems. Regular maintenance must be performed according to the manufacturers schedule. If you do this yours will last a lifetime.

  4. #4
    Epic Contributor
    R.I.P.
    jinman's Avatar
    Join Date
    Feb 2001
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    21,014
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    Texas - Wise County - Sunset
    Tractor
    NHTC45D, NH LB75B, Ford Jubilee

    Default Re: Hydro Drive Maintenance

    Hydrostatic pumps and motors are no more prone to leaks and seal wear than engine mounted hydraulic pumps used for the 3PH or FEL. I'd say they should last the life of the tractor with no problems.

    Change your fluid and filters and you'll be fine. [img]/forums/images/graemlins/cool.gif[/img]

  5. #5
    Gold Member
    Join Date
    May 2004
    Posts
    457
    Location
    SW of Minneapolis, MN
    Tractor
    2003 Kubota L3430 HSTC

    Default Re: Hydro Drive Maintenance

    I have three tractors with hydrostatic transmissions. The oldest is a 1974 Allis Chalmers 620 with 1200 hours. I change the hydrostatic filter every 100hrs (use an aftermarket Fram) and changed the fluid once. The hydro has no leaks and works like it did when new. Hydrostatic transmissions are extremely reliable and easy to maintain.

    OrangeGuy

  6. #6
    Bronze Member
    Join Date
    Apr 2004
    Posts
    64
    Location
    Golden Triangle KY
    Tractor
    Orange Millenium Falcon

    Default Re: Hydro Drive Maintenance

    This is somewhat of a stretch when applied to CUTs but my dad bought us Simplicity 20hp hydro in 1980. It lived a long a brutal life- I cut alot of neighbors yards, plus our 3 acres. It finally died in 2001.

  7. #7
    Gold Member
    Join Date
    Oct 2001
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    335
    Location
    SE PA
    Tractor
    Kubota BX2200, 1957 Farmall 130

    Default Re: Hydro Drive Maintenance

    They like a lot of fresh oil! I've seen a cub cadet with 1000 hours on it with a shot transmission, but the more commercial grade stuff like you'd find is a typical CUT or SCUT is probably a lot more durable, but I've yet to hear of anybody with 5000+ hours on one, so it's hard to say what happens in the long term. Except for the oil and filter changes, they are pretty maintenance free.

    - Patrick

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