Part Number: 123 – 2231
Applicable Models: Caterpillar 322B, 320B, 320BL, 312D, 314D, 315B, 315C, etc..
Pump Type: Presumably an axial – piston pump, as Caterpillar excavator hydraulic main pumps are usually of this type.
Flow Capacity: 108.4 gal/min (410 L/min)
System Relief Valve Pressure: 4980 psi (34335.9 kPa)
Pilot System Maximum Flow: 10.3 gal/min
Pilot System Maximum Pressure: 600 psi
Travel Maximum Pressure: 4980 psi
Swing Maximum Pressure: 3980 psi
Hydraulic System Fluid Capacity: 70.1 gal (265 L)