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Part Number and Applicable Models
Part Number: The main part number is 5504341, and it can also be expressed as 550 – 4341.
Applicable Models: Suitable for Caterpillar excavator models such as 336, 336E, 340, 345GC, E336, E340GC, and E345GC. It is compatible with engines like C9.3 and C9.3B.
Pump Type and Structure
Pump Type: It is likely a variable – displacement axial piston pump, and the model may be K7V180.
Material: The pump is composed of high – quality steel and aluminum alloy, with an alloy steel shaft. The housing is designed with a press – fitted wear – ring, which is easy to rebuild or replace.
Internal Structure: It is equipped with a custom – designed valve plate and a pressure control system. There is also a built – in pre – filter and a special reinforced seal design to prevent leakage.
Hydraulic Parameters
Displacement: The displacement is 14cc.
Maximum Operating Pressure: The maximum operating pressure can reach 2500 psi (about 17.24 MPa).
Dimensions and Weight
Dimensions: Approximately 68×68×69 cm.
Weight: About 220 kg.
