Hydraulic line repair data

Hitachi EX200LC Hose Repair Data

Hitachi EX200LC currently has 50 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 50 records
Full specifications: 50 records
Systems: 12 systems
Length range: 460–7,050 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. 9

4203047

Installation route: 行走踏板~中转接头

Length: 1,780 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. 12

4187392

Installation route: Bucket cylinderOriginal Chinese: 铲斗油缸

Length: 1,600 mm
Specification: DN19;4SP-12;38Mpa
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. 37

4188942

Installation route: 分配阀左上~回转马达

Length: 1,150 mm
Specification: DN19;4SP-12;38Mpa
Left fitting: Light-series flangeOriginal Chinese: 法兰-轻型
Right fitting: Light-series flangeOriginal Chinese: 法兰-轻型

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Diagram Pipe No. 32

4208494

Installation route: 左手柄~接线板(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. 17

4214428

Installation route: Arm cylinder — leftOriginal Chinese: 小臂油缸左

Length: 700 mm
Specification: DN19;4SP-12;38Mpa
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. 45

4204190

Installation route: 分配阀右~分配阀右

Length: 550 mm
Specification: DN10;2SN-6;27.5MPa
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. 56

4203075

Installation route: 分配阀上~接线板(中转接头)

Length: 1,300 mm
Specification: DN10;1层纤维-6;14MPa
Left fitting: 美制外螺纹37°外锥
Right fitting: 90°美制内螺纹37°内锥

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Diagram Pipe No. 33

4197724

Installation route: 液压泵~吸油铁管

Length: 750 mm
Specification: DN19;2SN-12;21.5MPa
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. 86

4204179

Installation route: 分配阀上~液压油箱

Length: 660 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. 26

4203078

Installation route: 液压泵~分配阀右

Length: 1,700 mm
Specification: DN6;1SN-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. 13

4225412

Installation route: 小臂油缸锁止阀~分配阀下

Length: 5,220 mm
Specification: DN10;1层纤维-6;14MPa
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. 48

4203069

Installation route: 中转接头~分配阀上

Length: 1,180 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. 6

4203123

Installation route: 蓄能器~过渡阀块(分配阀)

Length: 1,800 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. 53

4203072

Installation route: 分配阀上~接线板(中转接头)

Length: 1,380 mm
Specification: DN10;1层纤维-6;14MPa
Left fitting: 美制外螺纹37°外锥
Right fitting: 90°美制内螺纹37°内锥

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Diagram Pipe No. 67

4204164

Installation route: 回转接头~回油铁管(液压油箱)

Length: 1,400 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. 30

4203081

Installation route: 电磁阀~吸油铁管

Length: 550 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. 21

4225422

Installation route: 回转马达~过渡阀块(分配阀)

Length: 630 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. 1

4210352

Installation route: 备用踏板~接线板(中转接头)

Length: 2,030 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. 2

4205341

Installation route: 大臂油缸黄油管

Length: 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. 14

4225477

Installation route: 小臂油缸锁止阀~分配阀上

Length: 7,050 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. 3

4210341

Installation route: 备用踏板~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: 90°美制内螺纹37°内锥

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Diagram Pipe No. 54

4203073

Installation route: 分配阀上~接线板(中转接头)

Length: 1,310 mm
Specification: DN10;1层纤维-6;14MPa
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. 33

4208495

Installation route: 左手柄~接线板(中转接头)

Length: 2,030 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. 14

4188920

Installation route: 大臂油缸

Length: 800 mm
Specification: DN19;4SP-12;38Mpa
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. 11

4203049

Installation route: 行走踏板~中转接头

Length: 1,930 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. 12

4203058

Installation route: 行走踏板~进回油阀

Length: 990 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. 22

4210397

Installation route: 分配阀下~过渡阀块(隔板)

Length: 900 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

4203046

Installation route: 行走踏板~中转接头

Length: 1,760 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

4210398

Installation route: 分配阀上~过渡阀块(隔板)

Length: 700 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

4203085

Installation route: 分配阀上右~回转马达

Length: 460 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. 52

4203071

Installation route: 分配阀下~接线板(中转接头)

Length: 1,090 mm
Specification: DN10;1层纤维-6;14MPa
Left fitting: 美制外螺纹37°外锥
Right fitting: 90°美制内螺纹37°内锥

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Diagram Pipe No. 13

4203059

Installation route: 行走踏板~液压油箱

Length: 2,610 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. 11

4217308

Installation route: Left boom-cylinder lock valve → right boom-cylinder lock valveOriginal Chinese: 左大臂油缸锁止阀~右大臂油缸锁止阀

Length: 700 mm
Specification: DN6;2SN-4;34.5MPa
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. 75

4203086

Installation route: Swing motor → return steel line (hydraulic tank)Original Chinese: 回转马达~回油铁管(液压油箱)

Length: 820 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. 25

4203077

Installation route: 液压泵~分配阀前

Length: 1,800 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. 17

4200475

Installation route: Arm cylinder — leftOriginal Chinese: 小臂油缸左

Length: 700 mm
Specification: DN19;4SP-12;38Mpa
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 Valve11 hoses Attachments8 hoses Boom Assembly6 hoses Control Lever6 hoses Pedal6 hoses Hydraulic Pump4 hoses Attachments – Lock Valve3 hoses Swing Motor2 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 EX200LC?

The current published data covers 12 systems and 50 hose records. Systems with more listed records include: Control Valve (11 hoses), Attachments (8 hoses), Boom Assembly (6 hoses), Control Lever (6 hoses), Pedal (6 hoses), Hydraulic Pump (4 hoses).

What is the hose length range for Hitachi EX200LC?

Based on published records with valid lengths, the range is 460–7,050 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX200LC?

The most frequent raw specifications in the current published records are: DN10;1层纤维-6;14MPa (27 records), DN6;2层纤维-4;14MPa (9 records), DN19;4SP-12;38Mpa (5 records), DN25;4SP-16;32Mpa (2 records), DN6;1SN-4;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 EX200LC?

Each record keeps the left and right fitting descriptions separate. Current examples: 4203047: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4187392: left American female thread, flat-face seal; right American female thread, flat-face seal; 4188942: left Light-series flange; right Light-series flange. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi EX200LC hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 9 (4203047), Pipe No. 12 (4187392), Pipe No. 37 (4188942), Pipe No. 32 (4208494). 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