Construction Machinery: Medium-Sized Excavator Link-Belt

Model	Hydraulic system overflow valve pressure
80 Spin Ace Level III	29371.6 kPa - 4260 lb / sq. inch
80 Spin Ace	29371.6 kPa - 4260 lb / sq. inch
75 Spin Ace	29371.6 kPa - 4260 lb / sq. inch
1600 Quantum	30399 kPa - 4409 lb / sq. inch