https://surplus.hartleyoil.com/product/rexroth-directional-control-valve4we6d51ofaw-120-60-for-lightnin-mixerhyd-cont-valve-ec02768-a-jj/
REXROTH DIRECTIONAL CONTROL VALVE#4WE6D51/OFAW 120-60 FOR LIGHTNIN MIXERHYD.CONT.VALVE...
directional control valve