Page 1 of 2 12 LastLast
Results 1 to 10 of 12
  1. #1
    Silver Member
    Join Date
    Nov 2011
    Posts
    179
    Location
    Red Springs, NC
    Tractor
    Kubota L3700SU

    Default L3700 hydraulic psi

    Does anyone know right off what the max loader psi for the 3400,3700,3800 series tractors is? Bought a gage and quick coupler, going to check it tomorrow. Thanks

  2. #2
    Platinum Member Dead Horse's Avatar
    Join Date
    Feb 2009
    Posts
    669
    Location
    New Hampshire

    Default Re: L3700 hydraulic psi

    manual says 2500psi for my 3710
    "We a two tractor family"

  3. #3
    Elite Member Chilly807's Avatar
    Join Date
    Sep 2009
    Posts
    3,256
    Location
    Nova Scotia
    Tractor
    Kubota L3400DT

    Default Re: L3700 hydraulic psi

    LA 463 manual says 2347 psi.

    Sean

  4. #4
    Silver Member
    Join Date
    Nov 2011
    Posts
    179
    Location
    Red Springs, NC
    Tractor
    Kubota L3700SU

    Default Re: L3700 hydraulic psi

    Thanks, I dug the book out and it is 2347. What would it hurt to have it at 2500?

  5. #5
    Elite Member Chilly807's Avatar
    Join Date
    Sep 2009
    Posts
    3,256
    Location
    Nova Scotia
    Tractor
    Kubota L3400DT

    Default Re: L3700 hydraulic psi

    Probably won't hurt anything.. I doubt you'll gain enough to really notice a difference though if it's set correctly to begin with. Mine was set right at 2250-2300 psi. I THINK the loader control has it's own relief valve, so if you increase that you still may not be able to get to 2500 if the main relief is set below that point.

    Sean

  6. #6
    Silver Member
    Join Date
    Nov 2011
    Posts
    179
    Location
    Red Springs, NC
    Tractor
    Kubota L3700SU

    Default Re: L3700 hydraulic psi

    Sean, There were 3 shims, all were the same thickness so I removed on and added on that checked .09 thicker and it is dead on 2500 at the loader control valve. At best it was 2200 before. Maybe all in my mind, I think it is better, it seemed like it was stronger when I ran it into a dirt pile I been playing with.

  7. #7
    Elite Member Chilly807's Avatar
    Join Date
    Sep 2009
    Posts
    3,256
    Location
    Nova Scotia
    Tractor
    Kubota L3400DT

    Default Re: L3700 hydraulic psi

    Which valve did you change the shim in? The one under the floorboards?

    Sean

  8. #8
    Silver Member
    Join Date
    Nov 2011
    Posts
    179
    Location
    Red Springs, NC
    Tractor
    Kubota L3700SU

    Default Re: L3700 hydraulic psi

    Yes under the right floarboard

  9. #9
    Super Star Member J_J's Avatar
    Join Date
    Sep 2003
    Posts
    18,922
    Location
    JACKSONVILLE, FL
    Tractor
    Power-Trac 1445, KUBOTA B-9200HST

    Default Re: L3700 hydraulic psi

    Quote Originally Posted by Sammy3700 View Post
    Thanks, I dug the book out and it is 2347. What would it hurt to have it at 2500?
    Only about 795 lbs of push force on the cyl x 2 = 1590 lbs

    You should know what your pump max psi is rated at, and set it to about 50 to 100 psi below that.
    J.J.

    When I works, I works hard. When I sits and thinks, I goes to sleep.

    Git er done.

  10. #10
    Silver Member
    Join Date
    Nov 2011
    Posts
    179
    Location
    Red Springs, NC
    Tractor
    Kubota L3700SU

    Default Re: L3700 hydraulic psi

    Thanks J_J, Do you have any idea where I can find the pump max psi?

Page 1 of 2 12 LastLast

Similar Threads

  1. Hydraulic PSI
    By bigbadbrad in forum Kubota Owning/Operating
    Replies: 4
    Last Post: 11-13-2011, 10:52 PM
  2. 2500 PSI Cylinder on a 2750 PSI system ??
    By crash325 in forum Hydraulics
    Replies: 4
    Last Post: 05-08-2011, 07:53 PM
  3. Hydraulic PSI Question
    By jmolwitz in forum Hydraulics
    Replies: 6
    Last Post: 07-24-2008, 06:36 PM
  4. Hydraulic PSI and hoses....please explain this
    By rutwad in forum Hydraulics
    Replies: 11
    Last Post: 02-16-2007, 09:23 AM
  5. hydraulic pump psi
    By jdj257 in forum Yanmar
    Replies: 6
    Last Post: 12-16-2006, 09:51 AM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
© 2016 TractorByNet.com. TractorByNet is a registered trademark of IMC Digital Universe, Inc. Other trademarks on this page are the property of their respective owners.