shop E320 320L E320L Main Hydraulic Pump 114-0490 1140490 087-4717 Excavator Piston Pump

Applicable Models:

E320: Early-generation Caterpillar excavator (pre-2000s)

320L / E320L: Mid-to-late 2000s models with L-series upgrades

Assembly Part Name: Hydraulische Hauptpumpe

Typical OEM Part Numbers:

E320: 339-0512 (axial piston pump)

320L / E320L: 397-3680 oder 1038264 (axial piston pump/gear pump hybrid)

Pump Type: Variable displacement axial piston pump (E320/320L) or gear-axial piston combination (E320L)