Hydraulic line repair data

Hitachi EX750-5 Hose Repair Data

Hitachi EX750-5 currently has 118 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 118 records
Full specifications: 118 records
Systems: 10 systems
Length range: 180–4,600 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. 65

4375899

Installation route: 液压油箱~接线板(遮蔽板)

Length: 1,150 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 美制外螺纹37°外锥

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Diagram Pipe No. 49

4375898

Installation route: 过渡阀块(液压油箱)~接线板(遮蔽板下)

Length: 1,050 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 美制外螺纹37°外锥

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Diagram Pipe No. 18

4297998

Installation route: 小臂销黄油管

Length: 800 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. 1

4375891

Installation route: 过渡阀块(液压油箱)~接线板(遮蔽板下)

Length: 950 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 美制外螺纹37°外锥

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Diagram Pipe No. 35

4368893

Installation route: 分配阀下~电磁阀(配重自卸)

Length: 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. 14

4375845

Installation route: 分配阀下~接线板(遮蔽板下)

Length: 1,100 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. 18

4389855

Installation route: 分流阀(黄油)~接线板(黄油)

Length: 1,800 mm
Specification: DN5;2层纤维-3;14MPa
Left fitting: 美制内螺纹37°内锥
Right fitting: 公制卡套式

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Diagram Pipe No. 127

4393811

Installation route: 分配阀下~接线板(遮蔽板下)

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. 24

4375856

Installation route: 中转接头(行走踏板)~回油铁管(液压油箱)

Length: 1,200 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. 17

4342975

Installation route: Arm-cylinder grease lineOriginal Chinese: 小臂油缸黄油管

Length: 4,600 mm
Specification: DN6;2层纤维-4;14MPa
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. 27

4375850

Installation route: 分配阀上~接线板(遮蔽板)

Length: 1,250 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. 24

4379170

Installation route: 电磁阀(配重自卸)~接线板(遮蔽板)

Length: 1,150 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. 18

4203102

Installation route: 铲斗油缸黄油管

Length: 550 mm
Specification: DN6;1SN-04;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. 16

4375852

Installation route: 分配阀下~接线板(遮蔽板下)

Length: 1,350 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. 123

4367002

Installation route: 分配阀前~过渡阀块(装载)

Length: 2,000 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. 45

4366791

Installation route: 行走踏板~过渡阀块(行走踏板)

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. 38

4369215

Installation route: 接线板(踏板)~接头(驾驶室)

Length: 1,600 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. 1

4375910

Installation route: 中转接头(手柄)~接线板(遮蔽板下)

Length: 1,950 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 美制外螺纹37°外锥

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Diagram Pipe No. 133

4368707

Installation route: 分配阀下~接线板(遮蔽板下)

Length: 1,900 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. 11

4406481

Installation route: 过渡阀块(手柄)~接线板(遮蔽板)

Length: 2,850 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 美制外螺纹37°外锥

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Diagram Pipe No. 55

4367714

Installation route: 铲斗油缸黄油管

Length: 700 mm
Specification: DN6;1SN-4;7Mpa
Left fitting: 英制内螺纹30°外锥
Right fitting: 英制内螺纹30°外锥

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Diagram Pipe No. 42

4387356

Installation route: 液压油箱~接线板(遮蔽板下)

Length: 1,550 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 美制外螺纹37°外锥

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Diagram Pipe No. 41

4375893

Installation route: 液压油箱~接线板(遮蔽板)

Length: 950 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 美制外螺纹37°外锥

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Diagram Pipe No. 61

4375851

Installation route: 分配阀下~接线板(遮蔽板)

Length: 1,250 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. 25

4375836

Installation route: 中转接头(行走踏板)~过渡阀块(行走踏板)

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. 38

4366790

Installation route: 行走踏板~过渡阀块(行走踏板)

Length: 1,050 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. 117

4366742

Installation route: 分配阀右~控制阀(装载)

Length: 1,050 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. 1

4375892

Installation route: 液压油箱~接线板(遮蔽板)

Length: 1,050 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 美制外螺纹37°外锥

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Diagram Pipe No. 26

4375837

Installation route: 中转接头(行走踏板)~过渡阀块(行走踏板)

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. 27

4369215

Installation route: 过渡阀块(踏板)~接头(踏板)

Length: 1,600 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. 35

4389917

Installation route: 液压油箱~电磁阀(液压油箱)

Length: 500 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. 30

4314983

Installation route: Left boom-cylinder grease lineOriginal Chinese: 左大臂油缸黄油管

Length: 3,700 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. 4

4375862

Installation route: 中转接头(手柄)~回油铁管(液压油箱)

Length: 1,750 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. 40

4375900

Installation route: 液压油箱~接线板(遮蔽板)

Length: 1,300 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 美制外螺纹37°外锥

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Diagram Pipe No. 54

4367712

Installation route: 大臂油缸黄油管

Length: 500 mm
Specification: DN6;1SN-4;7Mpa
Left fitting: 英制内螺纹30°外锥
Right fitting: 英制内螺纹30°外锥

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Diagram Pipe No. 6

4387232

Installation route: 左手柄~过渡阀块(手柄)

Length: 1,650 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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Narrow the selection

Control Valve28 hoses Control Lever25 hoses Attachments23 hoses Grease Lines17 hoses Pedal12 hoses Hydraulic Tank6 hoses Attachments – Breaker4 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 EX750-5?

The current published data covers 10 systems and 118 hose records. Systems with more listed records include: Control Valve (28 hoses), Control Lever (25 hoses), Attachments (23 hoses), Grease Lines (17 hoses), Pedal (12 hoses), Hydraulic Tank (6 hoses).

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

Based on published records with valid lengths, the range is 180–4,600 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?

The most frequent raw specifications in the current published records are: DN10;1SN-6;7Mpa (87 records), DN6;1SN-4;7Mpa (10 records), DN10;1SN-06;18MPa (7 records), DN10;1SN-06;7Mpa (3 records), DN5;2层纤维-3;14MPa (2 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?

Each record keeps the left and right fitting descriptions separate. Current examples: 4375899: left 美制内螺纹37°内锥; right 美制外螺纹37°外锥; 4375898: left 美制内螺纹37°内锥; right 美制外螺纹37°外锥; 4297998: 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 hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 65 (4375899), Pipe No. 49 (4375898), Pipe No. 18 (4297998), Pipe No. 1 (4375891). 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