Hydraulic line repair data

Hitachi ZX270LC-3 Hose Repair Data

Hitachi ZX270LC-3 currently has 126 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 126 records
Full specifications: 126 records
Systems: 14 systems
Length range: 350–4,150 mm

Hose repair details

Hose Length and Fitting List

Showing 36 representative records. Return to the finder for a more specific search.

Diagram Pipe No. 4

4628534

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

Length: 750 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° heavy-series flangeOriginal Chinese: 90°法兰-重型

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Diagram Pipe No. 17

4644618

Installation route: 先导泵~吸油铁管

Length: 480 mm
Specification: DN19;1SN-12;7Mpa
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. 22

4630952

Installation route: 中转接头~分配阀下

Length: 750 mm
Specification: DN6;1SN-04;22.5MPa
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. 12

4450505

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length: 2,500 mm
Specification: DN6;1SN-04;22.5MPa
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. 47

4670735

Installation route: 液压油箱~接线板(隔板)

Length: 1,800 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. 61

4678903

Installation route: 中转接头~接线板(隔板)

Length: 1,650 mm
Specification: DN6;1SN-04;22.5MPa
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. 19

4639635

Installation route: 右手柄~进回油阀

Length: 2,150 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. 46

4304464

Installation route: 液压泵~先导滤芯

Length: 950 mm
Specification: DN13;2SN-08;27.5MPa
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. 7

4459641

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length: 2,550 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. 50

4425357

Installation route: 回转马达~过渡阀块(流速切换)

Length: 1,000 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. 0

4628618

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length: 2,300 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: 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. 35

4647398

Installation route: 左手柄~中转接头

Length: 3,100 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. 22

4647402

Installation route: 右手柄~中转接头

Length: 3,350 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. 1

4635305

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length: 2,400 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

4630941

Installation route: 中转接头~分配阀上

Length: 650 mm
Specification: DN10;1SN-06;18MPa
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. 23

4647403

Installation route: 右手柄~中转接头

Length: 3,350 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. 38A

4649408

Installation route: 大臂(后段)~止动阀(破碎器)

Length: 1,150 mm
Specification: DN19;4SP-12;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. 17

4642190

Installation route: 先导泵~先导滤芯

Length: 500 mm
Specification: DN6;1SN-04;22.5MPa
Left fitting: 45°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. 16

4630940

Installation route: 中转接头~分配阀上

Length: 760 mm
Specification: DN10;1SN-06;18MPa
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. 0

4635303

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length: 2,400 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. 6

4628911

Installation route: 分配阀上~回转马达

Length: 430 mm
Specification: DN25;1SN-16;8.8MPa
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. 42

4653898

Installation route: 电磁阀~先导滤芯

Length: 1,500 mm
Specification: DN10;1SN-06;18MPa
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. 46

4630949

Installation route: 电磁阀~中转接头

Length: 560 mm
Specification: DN6;1SN-04;22.5MPa
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. 3

4648205

Installation route: 破碎器踏板~进回油阀

Length: 650 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 45°美制内螺纹37°内锥
Right fitting: 90°美制内螺纹37°内锥

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Diagram Pipe No. 13

4639629

Installation route: 行走踏板~中转接头

Length: 3,450 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. 7

4438098

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length: 2,400 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. 34

4647396

Installation route: 左手柄~中转接头

Length: 3,050 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. 12A

4633933

Installation route: 电磁阀~进回油阀

Length: 3,900 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. 46

4647886

Installation route: 电磁阀~电磁阀(破碎器)

Length: 1,600 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 90°美制内螺纹37°内锥

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Diagram Pipe No. 31

4659197

Installation route: 卸压安全阀(破碎器)~止动阀(破碎器)

Length: 700 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. 46

4681558

Installation route: 电磁阀~接线板(隔板)

Length: 1,500 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. 0

4313253

Installation route: 过渡阀块(隔板)~过渡阀块(分配阀)

Length: 1,250 mm
Specification: DN6;1SN-4;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 90°美制内螺纹37°内锥

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Diagram Pipe No. 35

4707814

Installation route: 左手柄~中转接头

Length: 3,150 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. 45

4630947

Installation route: 分配阀左~电磁阀

Length: 850 mm
Specification: DN6;1SN-04;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 90°美制内螺纹37°内锥

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Diagram Pipe No. 5

4471645

Installation route: 回转接头~电磁阀

Length: 1,650 mm
Specification: DN6;1SN-04;22.5MPa
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. 18

4285799

Installation route: 先导泵~控制阀(辅助)

Length: 750 mm
Specification: DN12;4SP-08;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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Narrow the selection

Control Lever33 hoses Attachments – Breaker30 hoses Attachments11 hoses Swivel Joint10 hoses Control Valve7 hoses Boom Assembly6 hoses Hydraulic Pump6 hoses Solenoid Valve6 hoses Hydraulic Tank5 hoses Pedal4 hoses Attachments – Lock Valve3 hoses Swing Motor2 hoses Grease Lines2 hoses

Based on current published data

Common Repair Questions

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

Which systems and hoses are currently listed for Hitachi ZX270LC-3?

The current published data covers 14 systems and 126 hose records. Systems with more listed records include: Control Lever (33 hoses), Attachments – Breaker (30 hoses), Attachments (11 hoses), Swivel Joint (10 hoses), Control Valve (7 hoses), Boom Assembly (6 hoses).

What is the hose length range for Hitachi ZX270LC-3?

Based on published records with valid lengths, the range is 350–4,150 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX270LC-3?

The most frequent raw specifications in the current published records are: DN10;1SN-06;18MPa (38 records), DN10;1SN-6;7Mpa (22 records), DN6;1SN-04;22.5MPa (19 records), DN6;1SN-4;7Mpa (12 records), DN25;4SH-16;34.5Mpa (5 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX270LC-3?

Each record keeps the left and right fitting descriptions separate. Current examples: 4628534: left American female thread, flat-face seal; right 90° heavy-series flange; 4644618: left American female thread, flat-face seal; right 90° elbow, American female thread, flat-face seal; 4630952: left 美制内螺纹74°内锥; right 90°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 ZX270LC-3 hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 4 (4628534), Pipe No. 17 (4644618), Pipe No. 22 (4630952), Pipe No. 12 (4450505). Open a record to compare its installation position with the linked manual page.

Hose Length and Fitting List

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Common Repair Questions