Sdv40-A77Ah-Hda733 2500/2500-Hdb733 2500/2500-Ttr88 Inlet Sae 12 Ports At Side & Top With Hmrv Installed Preset At 3000Psi 1St Section Hi-Boy D/A Cylinder Spool Spring Return Sae 12 Ports Ports A & B Relief Valves Preset At 2500Psi 2Nd Section Hi-Boy D/A Cylinder Spool 3 Position Detent Sae 12 Ports Ports A & B Relief Valves Preset At 2500Psi Outlet Through Hole Sae 16 Ports At Side & Top