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Farmall & IHC Tractors Discussion Forum

Hyd pump in H tractor

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Old Popper

05-19-2017 10:38:04

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I split my H and replaced the back half with one that has an MW 9 speed in it. Will this harm the "belly" pump by increasing the speed in the high side, or will it be OK? I am basically a John Deere man so I don't know about this. A fellow told me that I couldn't run the pump. YT'ers can give me the info I need. Thanks in advance. Dale.

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05-20-2017 06:25:35

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 Re: Hyd pump in H tractor in reply to Old Popper, 05-19-2017 10:38:04  
Quoting Removed, click Modern View to see

I know of some Ms with the live pump added that have never had an issue with the timing gears, and I also know of a few that suffered failure.
Live pumps are great, but the original belly pump will still get the job done.

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David G

05-19-2017 12:39:33

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 Re: Hyd pump in H tractor in reply to Old Popper, 05-19-2017 10:38:04  
I would agree with the live pump, you will never want to go back to belly pump.

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05-19-2017 11:38:39

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 Re: Hyd pump in H tractor in reply to Old Popper, 05-19-2017 10:38:04  
I seem to remember one of 9 speed setups had an option to disconnect the belly pump when in high range, but I don't completely remember.

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05-19-2017 11:36:19

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 Re: Hyd pump in H tractor in reply to Old Popper, 05-19-2017 10:38:04  
i have a 52 m with an m+w 9 speed. when in high range push the control rod all the way down. tractor has had the 9 speed since the mid 60's and never had a problem. if you are running the hydraulics, run em in low range or in high at a lower rpm. in a pinch i have run a log splitter on mine in high range at about half throttle. worked fine. i run hy-tran in the belly pump so i dont cross contaminate any other tractors.

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05-19-2017 10:58:23

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 Re: Hyd pump in H tractor in reply to Old Popper, 05-19-2017 10:38:04  
It can be operated, but limit the engine speed to 1/2 of Wide open. This requires you, or the operator, to me mindful of that. Putting a stop on the throttle handle, or using a ad-on tachometer, would work. Over speeding the Pump and PTO are real issues that if ignored with a rotary mower, can kill. Jim

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05-19-2017 10:57:24

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 Re: Hyd pump in H tractor in reply to Old Popper, 05-19-2017 10:38:04  
It will "over-speed" the belly pump with in the transmission in high, I am not sure how long it would last in those conditions, problem not long. It might be a good time to upgrade to a live pump from a Super H, 300/350

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The Dukester

05-19-2017 15:36:02

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 Re: Hyd pump in H tractor in reply to ih560, 05-19-2017 10:57:24  
That seems like a good idea, but are the timing gears up front in the engine strong enough to run the live hydraulic pump?

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