Question for Tom Arnold

Kirk-Tx · Apr 16, 2013

I posted a question a while back about a hydraulic pump for 444. I bought a D27AA2A but the shaft is 1/2 inch. My old one is 5/8. Do I take the pump back? Is the pump volume OK? Is there another coupler that will adapt to the engine?

Ken Combs · Apr 16, 2013

I'm not Tom, but you can purchase just the pump half for the coupler and install the pump. I get mine from Mcmaster-carr.

Tom Arnold · Apr 16, 2013

As Ken has already stated, the correct coupler half can be had from McMaster but you should replace the spider at the same time.

Kirk-Tx · Apr 16, 2013

Is it the correct pump as for as output? Thanks for your replys.

Tom Arnold · Apr 16, 2013

The D27 pump is .61 cubic inches in size and will pump 9 1/2 GPM @ 3600 RPM and zero PSI. It it the largest AA pump made that I am aware of and Case used it because of space constraints. I have recommended this pump to about 20 people and everyone is quite happy with it.

Kirk-Tx · Apr 16, 2013

Thanks, I'll get the fittings and hook it up. I appreciate your advise.

Question for Tom Arnold

Kirk-Tx

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Ken Combs

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Tom Arnold

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Kirk-Tx

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Tom Arnold

Well-known Member

Kirk-Tx

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