ahh dont have that...on hitachi ex200-2It is from either a piston pump or piston motor, correct.?
So the face of #7 that rotates in contact with that plate.
View attachment 314547
Weird.... My arrows didn't show up.....
Oh that moment has long past.........I see high hours, pain, heartbreak, dirty oil and cavitation in that picture. Followed by, disappointment, broken dreams and a bucket of cash.