Hydraulic line repair data

Hitachi ZX350LC-3 Boom Assembly Hose List

Coverage details

Hoses: 6 records
Full specifications: 6 records
Systems: 1 systems
Length range: 840–1,700 mm

Current system

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 12

4628957

Installation route: Arm cylinder — rightOriginal Chinese: 小臂油缸右

Length: 900 mm
Specification: DN32;6SH-20;42MPa
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. 13

4654322

Installation route: 大臂油缸

Length: 840 mm
Specification: DN25;4SH-16;38.8MPa
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. 13

4628956

Installation route: Arm cylinder — leftOriginal Chinese: 小臂油缸左

Length: 900 mm
Specification: DN25;4SH-16;38.8MPa
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. 16

9263974

Installation route: 大臂左1/左4

Length: 1,700 mm
Specification: DN25;4SP-16;35Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型

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Diagram Pipe No. 21

4642276

Installation route: Arm cylinder — rightOriginal Chinese: 小臂油缸右

Length: 1,650 mm
Specification: DN32;4SP-20;35Mpa
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. 12

4648034

Installation route: Arm cylinder — rightOriginal Chinese: 小臂油缸右

Length: 1,050 mm
Specification: DN32;4SP-20;35Mpa
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. 28

4642277

Installation route: Bucket cylinderOriginal Chinese: 铲斗油缸

Length: 1,650 mm
Specification: DN25;4SH-16;34.5Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封

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Diagram Pipe No. 13

4641678

Installation route: Bucket cylinderOriginal Chinese: 铲斗油缸

Length: 2,250 mm
Specification: DN25;4SP-16;34.5MPa
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. 23

4641704

Installation route: 大臂(前段)~大臂(后段)

Length: 1,300 mm
Specification: DN25;4SH-16;34.5Mpa
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. 22

4640645

Installation route: Arm cylinder — leftOriginal Chinese: 小臂油缸左

Length: 1,650 mm
Specification: DN25;4SH-16;34.5Mpa
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. 14A

4413856

Installation route: 大臂左3

Length: 1,550 mm
Specification: DN25;4SH-16;34.5Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型

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Diagram Pipe No. 10

9260389

Installation route: 大臂左2

Length: 1,850 mm
Specification: DN32;4SP-20;35Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型

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Diagram Pipe No. 10A

4649874

Installation route: 大臂左2

Length: 1,900 mm
Specification: DN32;6SH-20;42MPa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型

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Diagram Pipe No. 25

4642619

Installation route: Bucket cylinderOriginal Chinese: 铲斗油缸

Length: 1,800 mm
Specification: DN25;4SH-16;34.5Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封

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Diagram Pipe No. 14

9263972

Installation route: 大臂左3

Length: 1,550 mm
Specification: DN25;4SH-16;34.5Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型

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Diagram Pipe No. 28

4628902

Installation route: Bucket cylinderOriginal Chinese: 铲斗油缸

Length: 1,450 mm
Specification: DN25;4SH-16;38.8MPa
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. 16A

4601384

Installation route: 大臂左1/左4

Length: 1,700 mm
Specification: DN25;4SH-16;38.8MPa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型

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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 ZX350LC-3 Boom Assembly?

There are 6 published records. 6 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi ZX350LC-3 Boom Assembly?

Based on published records with valid lengths, the range is 840–1,700 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX350LC-3 Boom Assembly?

The most frequent raw specifications in the current published records are: DN25;4SH-16;38.8MPa (2 records), DN32;4SP-20;35Mpa (2 records), DN25;4SP-16;35Mpa (1 records), DN32;6SH-20;42MPa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX350LC-3 Boom Assembly?

Each record keeps the left and right fitting descriptions separate. Current examples: 4628957: left American female thread, flat-face seal; right American female thread, flat-face seal; 4654322: left American female thread, flat-face seal; right American female thread, flat-face seal; 4628956: left American female thread, flat-face seal; right American female thread, flat-face seal. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi ZX350LC-3 Boom Assembly hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 12 (4628957), Pipe No. 13 (4654322), Pipe No. 13 (4628956), Pipe No. 16 (9263974). Open a record to compare its installation position with the linked manual page.