Hydraulic line repair data

Hitachi EX1200-7 Attachments Hose List

Hitachi EX1200-7 Attachments currently has 10 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 10 records
Full specifications: 10 records
Systems: 1 systems
Length range: 520–3,150 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 27

4346072

Installation route: 接线板(液压油箱前)~接线板(液压油箱后)

Length: 1,980 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. 32

4402260

Installation route: 接线板(分配阀旁)~接线板(液压油箱前)

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. 33

4475999

Installation route: 接线板(分配阀旁)~接线板(液压油箱前)

Length: 3,050 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. 14

4364414

Installation route: 接线板(分配阀旁)~接线板(液压油箱后)

Length: 1,340 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. 12

4701767

Installation route: 接线板(分配阀旁)~接线板(液压油箱后)

Length: 1,220 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. 26

4670711

Installation route: 过渡阀块(接线板)~接线板(液压油箱前)

Length: 610 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. 3

4331505

Installation route: 接线板(分配阀旁)~过渡阀块(先导滤芯)

Length: 760 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. 14

4640837

Installation route: 风扇马达~接头(散热器)

Length: 520 mm
Specification: DN12;1SN-8;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. 2

4349413

Installation route: 先导滤芯~过渡阀块(先导滤芯)

Length: 1,500 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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Diagram Pipe No. 30

4446905

Installation route: 风扇马达~过渡阀块(散热器)

Length: 850 mm
Specification: DN13;2SN-08;27.5MPa
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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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 EX1200-7 Attachments?

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 EX1200-7 Attachments?

Based on published records with valid lengths, the range is 520–3,150 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX1200-7 Attachments?

The most frequent raw specifications in the current published records are: DN10;1SN-6;7Mpa (7 records), DN13;2SN-08;27.5MPa (2 records), DN12;1SN-8;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 EX1200-7 Attachments?

Each record keeps the left and right fitting descriptions separate. Current examples: 4346072: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4402260: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4475999: 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 EX1200-7 Attachments hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 27 (4346072), Pipe No. 32 (4402260), Pipe No. 33 (4475999), Pipe No. 14 (4364414). Open a record to compare its installation position with the linked manual page.