The more you tell us about your carrier and your ground, the more specific our answer will be. Every enquiry is answered by someone who can read a hydraulic specification, not by an auto-responder.
1. Your excavator make, model and tonnage. 2. What you are driving, breaking or treating — pile type and target length, or rock/frozen ground conditions. 3. Your carrier's auxiliary hydraulic flow (L/min) and pressure (bar) if you have them. Those three items are usually enough for us to name a specific model.