JD 2130 HYDRAULIC FLOW

Which pump? iirc there were at least two different sizes offered.
Depends too if plumbed through the SCV or direct and returned via a ported filter cover.
 
I believe it's plumbed direct but I'm not sure which pump I didn't know there were more than one, can you tell by looking at the pump? Thanks
 

Actually there could be 3 different size pumps. 1st photo is middle size and 2nd photo is largest.
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The smaller pump(the one called middle one) is in the 8-9 GPM area, the larger pump would be 10-13 GPM, there is a big difference in the performance of the 2 of them...
 
Vital to know here what the hydraulic load is and how it's going to be connected.
According to the service manual and if the pump recieves enough flow to it's inlet port.
The Dubuque/mannheim tractors used either a 1000 series four piston pump with 6.75gpm.
A 1000 series eight piston pump with 13.5gpm.
Or a 40cm 2000 series pump which your tractor appears to have. Rated at 23.3gpm. Connected through the scv's it isn't going to flow 1/4 of rated.
Note all gpm's are under ideal circumstances and at 2500rpm. real world flow will be approx 2/3 to 3/4 of rated.
 

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