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  1. #1
    Member
    Join Date
    Mar 2008
    Posts
    25
    Location
    Pacific Northwest
    Tractor
    Yanmar 155d

    Default Hydraulic pump upgrade?- 155d. Need OEM pump specs please.

    My Dad and I are building a loader for my 155d (it helps that Dad is a retired equipment engineer) and we need some hydraulic system specs.

    The pump is a Kayaba. GP1, 15CK, 6L1, and 68627 are the numbers on the pump. Any specifications (displacement, volume, pressure, max pressure, etc) would be greatly appreciated.

    I want to stay away from an auxiliary pump to keep things simple. A pump upgrade would be preferred over an extra pump.

    Any input and ideas would be helpful.

    Thanks!
    Yanmar 155d. 15 Horses under the hood and you can hear every one of them.

  2. #2
    Gold Member
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    Join Date
    Jul 2002
    Posts
    755
    Location
    North Texas
    Tractor
    Yanmar

    Default Re: Hydraulic pump upgrade?- 155d. Need OEM pump specs please.

    Sounds like a fun project. The 155 has a 3.7gpm pump @ 2700 rpm. That is normally more than adequate for a small loader.

    Hope that helps,

    Aaron
    Hoye Tractor Parts
    Contact Us
    (940)592-0181
    Aaron
    Hoye Tractor Parts
    Contact Us
    (940)592-0181
    Yanmar Tractor Parts

  3. #3
    Member
    Join Date
    Mar 2008
    Posts
    25
    Location
    Pacific Northwest
    Tractor
    Yanmar 155d

    Default Re: Hydraulic pump upgrade?- 155d. Need OEM pump specs please.

    Quote Originally Posted by HoyeTractor View Post
    Sounds like a fun project. The 155 has a 3.7gpm pump @ 2700 rpm. That is normally more than adequate for a small loader.

    Hope that helps,

    Aaron
    Hoye Tractor Parts
    Contact Us
    (940)592-0181
    Is that 2700 rpm on the engine or the pump?
    Yanmar 155d. 15 Horses under the hood and you can hear every one of them.

  4. #4
    Gold Member
    Approved Advertiser

    Join Date
    Jul 2002
    Posts
    755
    Location
    North Texas
    Tractor
    Yanmar

    Default Re: Hydraulic pump upgrade?- 155d. Need OEM pump specs please.

    Engine.

    Aaron
    Hoye Tractor Parts
    Contact Us
    (940)592-0181
    Aaron
    Hoye Tractor Parts
    Contact Us
    (940)592-0181
    Yanmar Tractor Parts

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