A6VE55HA3/63W-VZL020 Hydraulic Piston Pump
Maximum displacement (Vg max): 55 cm³/rev
Minimum displacement (Vg min): ~0 cm³/rev (infinitely variable via swashplate adjustment)
Continuous operating pressure: 400 bar
Peak intermittent pressure: 450 bar (≤10% duty cycle)
Charge pressure: 25–35 bar (regulated by external charge pump)