Axial piston variable displacement design (likely).

Two independent pump sections for dual-circuit hydraulics.

Electronic pressure/flow control (EPFC/EPR) system.

Swashplate angle control for displacement variation.

High-pressure rotating group (cylinder block, pistons, slippers).

Stationary valve plate for port timing.

Integral charge pump for case flush and pilot supply.

Pressure and flow compensator valves.

Proportional solenoid control valves (likely).

Displacement feedback sensor (e.g., resolver or RVDT).

Case drain port and flushing valve.

High-pressure relief valves (main and cross-port).

Pilot-operated control pistons for swashplate movement.

Electronic controller integration (ECM/Pump Controller).

CAN bus communication interface.

Pressure transducers on pump outlets.

Temperature sensor for oil monitoring.

Tapered roller bearings for shaft support.

Shaft seal with contamination exclusion ring.

Cast iron or ductile iron housing.

Modular design for serviceability.

Mounting flange for engine or gearbox connection.

Hydraulic displacement control pistons (servo pistons).

Anti-cavitation check valves.

Load sensing signal ports (LS system).

External drain line connections.

Anti-rotation linkage for swashplate.

Spring chambers for compensator valves.

Filtered pilot supply port.

Sealed, multi-chamber internal housing.