Hydraulic line repair data

Hitachi EX400LC-3 Hydraulic Pump Hose List

Hitachi EX400LC-3 Hydraulic Pump currently has 3 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 3 records
Full specifications: 3 records
Systems: 1 systems
Length range: 400–1,000 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 2

4308037

Installation route: 先导泵~吸油铁管

Length: 400 mm
Specification: DN19;4层纤维-12;3.5MPa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 15

4343795

Installation route: 液压泵~先导滤芯

Length: 650 mm
Specification: DN6;1SN-4;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 美制内螺纹37°内锥

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Diagram Pipe No. 12

4322485

Installation route: 液压泵~先导滤芯

Length: 1,000 mm
Specification: DN13;2SN-08;27.5MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 45°美制内螺纹74°内锥

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Based on current published data

Common Repair Questions

Questions appear only when a published record or linked PDF page provides the answer.

How many hoses are currently listed for Hitachi EX400LC-3 Hydraulic Pump?

There are 3 published records. 3 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi EX400LC-3 Hydraulic Pump?

Based on published records with valid lengths, the range is 400–1,000 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX400LC-3 Hydraulic Pump?

The most frequent raw specifications in the current published records are: DN13;2SN-08;27.5MPa (1 records), DN19;4层纤维-12;3.5MPa (1 records), DN6;1SN-4;7Mpa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX400LC-3 Hydraulic Pump?

Each record keeps the left and right fitting descriptions separate. Current examples: 4308037: left American female thread, flat-face seal; right American female thread, flat-face seal; 4343795: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4322485: left 美制内螺纹74°内锥; right 45°美制内螺纹74°内锥. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi EX400LC-3 Hydraulic Pump hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 2 (4308037), Pipe No. 15 (4343795), Pipe No. 12 (4322485). Open a record to compare its installation position with the linked manual page.