Possible to use a higher GPM pump 743?

[cmb7684]

Hey guys..figured I would start a new thread so it could have its own topic. I noticed many attachments need more flow than my 11GPM pump that comes in my 743 can give out. Is there a way to upgrade to a larger flow pump and is there a max you can use or how is this calculated? If there is a way to do it which pump do you guys suggest I go with?

 

[Tazza]

It could be done, but honestly it will be rather costly. You will require larger tube lines from the pump to the aux circuit, you may need larger return lines to the oil cooler to handle the extra flow.
The HI flow machines actually run 2 pumps, one direct from the engine one from the hydro pump. Not exactly sure how they are plumbed but with some work i can't see why you couldn't do it that way of you really wanted to set it up. You can't simply swap the vane pumps over as the new one would be larger and simply would not fit on the hydrostatic pump.
The newer machines do 13-16 i think? like 751, 753, 763 etc. The aux hydraulic lines are larger than what a 743 has.