Hydraulic line repair data

Hitachi EX100-3 Hose Repair Data

Hitachi EX100-3 currently has 59 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 59 records
Full specifications: 59 records
Systems: 12 systems
Length range: 260–2,750 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

4323030

Installation route: 液压泵~先导滤芯

Length: 1,020 mm
Specification: DN12;1SN-08;7Mpa
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. 25

4283942

Installation route: 分配阀下~过渡阀块(手柄)

Length: 900 mm
Specification: DN10;1层纤维-6;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. 9

4315873

Installation route: 左手柄~过渡阀块(手柄)

Length: 1,950 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. 33

4283946

Installation route: 分配阀后~过渡阀块(行走踏板)

Length: 1,200 mm
Specification: DN10;1层纤维-6;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. 23

4297978

Installation route: 破碎器踏板~接线板(破碎器踏板)

Length: 1,000 mm
Specification: DN10;1层纤维-6;14MPa
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. 37

4285681

Installation route: 分配阀前~过渡阀块(行走踏板)

Length: 1,350 mm
Specification: DN10;1层纤维-6;14MPa
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. 22

4288438

Installation route: 蛤壳斗油缸

Length: 1,000 mm
Specification: DN12;4SP-8;34.5Mpa
Left fitting: 英制内螺纹30°外锥
Right fitting: 英制锥形外螺纹30°内锥

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Diagram Pipe No. 12

4265833

Installation route: 小臂油缸前

Length: 1,300 mm
Specification: DN19;4SP-12;31Mpa
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. 7

4287097

Installation route: 左手柄~中转接头

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. 29

4285684

Installation route: 进回油阀~蓄能器

Length: 880 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. 33

4299085

Installation route: 左手柄~进回油阀

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. 17

4283877

Installation route: 分配阀上~回油铁管(分配阀)

Length: 330 mm
Specification: DN6;2层纤维-4;14MPa
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. 59A

4271813

Installation route: 大臂左2(小臂油缸)

Length: 1,300 mm
Specification: DN16;4SP-10;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. 8

4315872

Installation route: 左手柄~过渡阀块(手柄)

Length: 1,950 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. 32

4316006

Installation route: 左手柄~进回油阀

Length: 1,200 mm
Specification: DN10;1SN-06;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. 7

4210341

Installation route: 破碎器踏板~行走推杆

Length: 1,200 mm
Specification: DN10;1层纤维-6;14MPa
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. 8

4210340

Installation route: 破碎器踏板~进回油阀

Length: 1,350 mm
Specification: DN10;1层纤维-6;14MPa
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. 9

4283881

Installation route: 中转接头~回油铁管(液压油箱)

Length: 650 mm
Specification: DN10;1层纤维-6;14MPa
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. 16

4250056

Installation route: 铲斗油缸(前段)

Length: 1,100 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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Diagram Pipe No. 17

4285464

Installation route: 大臂油缸左1/左4

Length: 710 mm
Specification: DN13;4SP-08;41.5MPa
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. 14

4262930

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

Length: 1,700 mm
Specification: DN12;4层纤维层-8;3MPa
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. 9

4273356

Installation route: 小臂油缸锁止阀~大臂(锁止阀)

Length: 770 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. 7

4218001

Installation route: 破碎器踏板~行走推杆

Length: 600 mm
Specification: DN10;1层纤维-6;14MPa
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. 12

4265833

Installation route: 大臂(前段)~大臂(后段)

Length: 1,300 mm
Specification: DN19;4SP-12;31Mpa
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. 36

4297979

Installation route: 破碎器踏板~接线板(破碎器踏板)

Length: 1,050 mm
Specification: DN10;1层纤维-6;14MPa
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. 22

4297977

Installation route: 分配阀后~接线板(破碎器踏板)

Length: 1,500 mm
Specification: DN10;1层纤维-6;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. 7

4260474

Installation route: 中转接头~分配阀下

Length: 1,350 mm
Specification: DN10;1层纤维-6;14MPa
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. 26

4286044

Installation route: 分配阀下~过渡阀块(手柄)

Length: 850 mm
Specification: DN10;1层纤维-6;14MPa
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. 36

4316007

Installation route: 右手柄~进回油阀

Length: 1,600 mm
Specification: DN10;1SN-06;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

4260311

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

Length: 700 mm
Specification: DN19;4SP-12;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. 34

4304409

Installation route: 右手柄~进回油阀

Length: 1,600 mm
Specification: DN10;1SN-06;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

4304411

Installation route: 左手柄~进回油阀

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. 6

4299086

Installation route: 左手柄~中转接头

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. 21

4286512

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

Length: 1,750 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. 36

4281535

Installation route: 行走推杆~过渡阀块(踏板)

Length: 1,050 mm
Specification: DN10;1层纤维-6;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. 21

4297976

Installation route: 分配阀前~接线板(破碎器踏板)

Length: 1,800 mm
Specification: DN10;1层纤维-6;14MPa
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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Narrow the selection

Control Lever15 hoses Boom Assembly12 hoses Control Valve10 hoses Attachments – Breaker7 hoses Swivel Joint4 hoses Pedal3 hoses Grease Lines3 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 EX100-3?

The current published data covers 12 systems and 59 hose records. Systems with more listed records include: Control Lever (15 hoses), Boom Assembly (12 hoses), Control Valve (10 hoses), Attachments – Breaker (7 hoses), Swivel Joint (4 hoses), Pedal (3 hoses).

What is the hose length range for Hitachi EX100-3?

Based on published records with valid lengths, the range is 260–2,750 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX100-3?

The most frequent raw specifications in the current published records are: DN10;1层纤维-6;14MPa (19 records), DN6;2层纤维-4;14MPa (7 records), DN10;1SN-6;7Mpa (6 records), DN10;1SN-06;7Mpa (4 records), DN12;4SP-08;34.5Mpa (3 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX100-3?

Each record keeps the left and right fitting descriptions separate. Current examples: 4323030: left 美制内螺纹74°内锥; right 美制内螺纹74°内锥; 4283942: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4315873: left 美制内螺纹74°内锥; right 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 EX100-3 hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 4 (4323030), Pipe No. 25 (4283942), Pipe No. 9 (4315873), Pipe No. 33 (4283946). 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