Hydraulic line repair data

Hitachi ZX450LC Swing Motor Hose List

Coverage details

Hoses: 10 records
Full specifications: 10 records
Systems: 1 systems
Length range: 450–2,000 mm

Current system

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Use the number on the diagram, a part number, connection point, length, hose size, or fitting.

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 37

9210754

Installation route: Swing motor → return steel line (hydraulic tank)Original Chinese: 回转马达~回油铁管(液压油箱)

Length: 1,500 mm
Specification: DN13;1SN-08;16MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 美制内螺纹74°内锥

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Diagram Pipe No. 2

4437442

Installation route: 回转马达(左)~回转马达(右)

Length: 550 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. 28

9203456

Installation route: 回转马达~中转接头

Length: 2,000 mm
Specification: DN10;1SN-06;18MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 美制内螺纹74°内锥

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Diagram Pipe No. 8

4474673

Installation route: 回转马达(左)~回转马达(右)

Length: 600 mm
Specification: DN10;1SN-6;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. 28A

4461334

Installation route: 回转马达~中转接头

Length: 2,000 mm
Specification: DN10;1SN-06;18MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 美制内螺纹74°内锥

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Diagram Pipe No. 37

4313164

Installation route: Swing motor → return steel line (hydraulic tank)Original Chinese: 回转马达~回油铁管(液压油箱)

Length: 1,500 mm
Specification: DN13;1SN-08;16MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 美制内螺纹74°内锥

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Diagram Pipe No. 21

4313149

Installation route: 回转马达(左)~回转马达(右)

Length: 450 mm
Specification: DN13;1SN-08;16MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 90°美制内螺纹74°内锥

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Diagram Pipe No. 28

9211473

Installation route: 回转马达~中转接头

Length: 2,000 mm
Specification: DN10;1SN-06;18MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 美制内螺纹74°内锥

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Diagram Pipe No. 28A

4463867

Installation route: 回转马达~中转接头

Length: 2,000 mm
Specification: DN10;1SN-06;18MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 美制内螺纹74°内锥

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Diagram Pipe No. 2

4461599

Installation route: 回转马达(左)~回转马达(右)

Length: 550 mm
Specification: DN10;1SN-06;18MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 美制内螺纹74°内锥

View full repair specifications

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 ZX450LC Swing Motor?

There are 10 published records. 10 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi ZX450LC Swing Motor?

Based on published records with valid lengths, the range is 450–2,000 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX450LC Swing Motor?

The most frequent raw specifications in the current published records are: DN10;1SN-06;18MPa (5 records), DN13;1SN-08;16MPa (3 records), DN10;1SN-6;7Mpa (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 ZX450LC Swing Motor?

Each record keeps the left and right fitting descriptions separate. Current examples: 9210754: left 美制内螺纹74°内锥; right 美制内螺纹74°内锥; 4437442: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 9203456: left 美制内螺纹74°内锥; right 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 ZX450LC Swing Motor hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 37 (9210754), Pipe No. 2 (4437442), Pipe No. 28 (9203456), Pipe No. 8 (4474673). Open a record to compare its installation position with the linked manual page.