Length: 3,200 mm
Specification: DN12;4SP-8;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

4393892

Installation route: 过渡阀块(大臂下)~过渡阀块(大臂下)

Length: 680 mm
Specification: DN32;6SP-20;34.5MPa
Left fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型
Right fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型

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Diagram Pipe No. 25

4369527

Installation route: 左踏板~接线板(踏板)

Length: 530 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 45°美制内螺纹37°内锥

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Diagram Pipe No. 26

4365168

Installation route: 左踏板~接线板(踏板)

Length: 530 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 45°美制内螺纹37°内锥

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Diagram Pipe No. 28

4387636

Installation route: 分配阀下~电磁阀(配重自卸)

Length: 650 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. 6

4407922

Installation route: 过渡阀块(大臂下)~压力开关阀(大臂下)

Length: 1,300 mm
Specification: DN6;2SN-4;34.5MPa
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. 43

4395931

Installation route: 配重自卸油缸~过渡阀块(配重自卸)

Length: 900 mm
Specification: DN12;4SP-8;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. 30

4395356

Installation route: 控制阀(配重自卸)~过渡阀块(配重自卸)

Length: 2,900 mm
Specification: DN12;4SP-8;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. 119

4393809

Installation route: 控制阀(装载)~接线板(遮蔽板)

Length: 2,000 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. 29

4366746

Installation route: 右踏板~接线板(踏板)

Length: 500 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. 21

4375680

Installation route: 电磁阀(配重自卸)~蓄能器

Length: 1,300 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. 29

4395792

Installation route: 控制阀(配重自卸)~回油铁管(液压油箱)

Length: 1,550 mm
Specification: DN25;4SP-16;24.5MPa
Left fitting: Light-series flangeOriginal Chinese: 法兰-轻型
Right fitting: 90°英制内螺纹30°外锥

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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 EX750-5 Attachments?

There are 23 published records. 23 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi EX750-5 Attachments?

Based on published records with valid lengths, the range is 600–3,410 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX750-5 Attachments?

The most frequent raw specifications in the current published records are: DN10;1SN-6;7Mpa (22 records), DN10;1SN-06;18MPa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX750-5 Attachments?

Each record keeps the left and right fitting descriptions separate. Current examples: 4375898: left 美制内螺纹37°内锥; right 美制外螺纹37°外锥; 4375891: left 美制内螺纹37°内锥; right 美制外螺纹37°外锥; 4368893: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi EX750-5 Attachments hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 49 (4375898), Pipe No. 1 (4375891), Pipe No. 35 (4368893), Pipe No. 24 (4379170). Open a record to compare its installation position with the linked manual page.