I've been toying with the idea of a loader for my 127, this is the pump setup and spool valve that I've been considering. Haven't done much research into it beside pricing parts.
16 GPM 2 Stage pump
http://www.surpluscenter.com/Hydraul...-9-7503-16.axd
2 spool joystick valve
https://www.surpluscenter.com/Hydrau...LVE-9-7401.axd