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Case Tractors Discussion Forum

Draft-o-Matic or Eagle hitch?

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Roger (mi)

03-09-2010 19:43:48

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The Case 430 hydraulics should be around 1,400 PSI max. (remotes or three point) However, the problems you're having will vary depending on your tractor having a Draft-o-Matic or Eagle hitch. The Eagle hitch has hydraulic interlocks, but the Draft-o-Matic does not. Need more information. Front end loader using tractor hydraulics?

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03-10-2010 08:43:45

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 Re: Draft-o-Matic or Eagle hitch? in reply to Roger (mi), 03-09-2010 19:43:48  
Roger forget to mention tractor is using tractor hyl original equipment thanks again. Barney

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03-10-2010 08:38:01

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 Re: Draft-o-Matic or Eagle hitch? in reply to Roger (mi), 03-09-2010 19:43:48  
Tractor has draft-o-matic bucket system appears to be factory made original equipment.In the last year my hyl oil was leaking into the rearend I replaced the seal in the rear unit[forget name] stoping leak ,When I raise the bucket the line pressure is approximately 500 and only shows 1000 at the very top of lift if you continue to hold the leaver the preasure remains at 1000 lbs release the leaver the pressure returns to 500 and gradually goes down I have a leak somewhere [this tractor is my pride and joy my toy] ,Thank you for your help .Barney

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Roger (mi)

03-10-2010 18:09:22

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 Pressure in hydraulic system is proportional to load in reply to RFW, 03-10-2010 08:38:01  
If the loader bucket is curled back as far as possible and a pressure gauge is in the bucket circuit, the pressure should be around 1400 PSI if the bucket cylinder packing is good. I'm assuming the loader hydraulics are plumbed into the remote cylinder circuit. The heavier the load being lifted, the higher the presure reading. If the pressure never reaches 1,400 PSI when dead headed, there is a problem with the pressure relief or the hydraulic pump. Both are located UNDER the torque cover.

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