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RPM
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Joined: 28 Feb 2013
Location: MN.
Points: 7498 		Post Options Post Options   Thanks (0) Thanks(0)   Quote NEVER green Quote  Post ReplyReply Direct Link To This Post Topic: RPM
    Posted: 07 Dec 2022 at 3:37pm
   Does anyone know at what rpm the pto shaft spins the hydraulic pumps on 7040? Removed piston pump, looking to add lift pump for fuel.
2-8050 1-7080 6080 D-19 modelE & A 7040   R50       
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Joined: 21 Mar 2019
Location: North Carolina
Points: 505 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 8070nc Quote  Post ReplyReply Direct Link To This Post Posted: 07 Dec 2022 at 6:10pm
Its somewhere close to engine speed. The piston pump is 2.31 cubic inches per revolution displacement. When you do the math 2300 rated rpm would give you 23 gpm
1984 80780
1957 D14
DES 300 with 25000 engine
616 tractor
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Joined: 28 Feb 2013
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Points: 7498 		Post Options Post Options   Thanks (0) Thanks(0)   Quote NEVER green Quote  Post ReplyReply Direct Link To This Post Posted: 08 Dec 2022 at 8:00am

  Thank you, does not have to be exact.
2-8050 1-7080 6080 D-19 modelE & A 7040   R50       
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