Hydraulic line repair data

Hitachi EX700 Hose Repair Data

Coverage details
Hoses
95 records
Full specifications
95 records
Systems
14 systems
Length range
290–3,450 mm

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Hose repair details

Hose Length and Fitting List

Showing 36 representative records. Return to the finder for a more specific search.

Diagram Pipe No. 32

4250832

Installation route: 行走踏板~中转接头

Length
1,520 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
View full repair specifications

Diagram Pipe No. 103

4366856

Installation route: 中转接头~接头(行走踏板)

Length
400 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
View full repair specifications

Diagram Pipe No. 31

4218040

Installation route: 中转接头~接线板(中转接头)

Length
3,140 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
View full repair specifications

Diagram Pipe No. 11

4367322

Installation route: 行走踏板~过渡阀块(踏板)

Length
420 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
View full repair specifications

Diagram Pipe No. 31

4250831

Installation route: 行走踏板~中转接头

Length
1,550 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
View full repair specifications

Diagram Pipe No. 22

4377469

Installation route: 液压泵左~过渡阀块(隔板)

Length
2,900 mm
Specification
DN6;1SN-4;14MPa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 10

4250823

Installation route: 大臂(前段)~小臂

Length
2,500 mm
Specification
DN32;6SP-20;31MPa
Left fitting
Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting
Heavy-series flangeOriginal Chinese: 法兰-重型
View full repair specifications

Diagram Pipe No. 0

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
View full repair specifications

Diagram Pipe No. 12

4364410

Installation route: 左手柄~进回油阀

Length
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
View full repair specifications

Diagram Pipe No. 114

4366865

Installation route: 接线板(中转接头)~接头(手柄)

Length
820 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
View full repair specifications

Diagram Pipe No. 108

4366860

Installation route: 接线板(中转接头)~接头(手柄)

Length
630 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
View full repair specifications

Diagram Pipe No. 36

4218045

Installation route: 前接线板(中转接头)~后接线板(中转接头)

Length
3,410 mm
Specification
DN10;1层纤维-6;14MPa
Left fitting
美制外螺纹37°外锥
Right fitting
美制外螺纹37°外锥
View full repair specifications

Diagram Pipe No. 18

4364435

Installation route: 分配阀上左~接线板(中转接头)

Length
600 mm
Specification
DN10;1SN-6;18MPa
Left fitting
美制内螺纹74°内锥双六角
Right fitting
45°美制内螺纹74°内锥
View full repair specifications

Diagram Pipe No. 62

4258694

Installation route: 分配阀下~过渡阀块(隔板)

Length
1,270 mm
Specification
DN6;2层纤维-4;14MPa
Left fitting
美制内螺纹37°内锥
Right fitting
45°美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 55

4367328

Installation route: 过渡阀块(分配阀)~过渡阀块(隔板)

Length
1,170 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
View full repair specifications

Diagram Pipe No. 20

4295301

Installation route: 液压油箱~过渡阀块(隔板)

Length
1,900 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
View full repair specifications

Diagram Pipe No. 21

4367311

Installation route: 电磁阀(隔板)~过渡阀块(隔板)

Length
300 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
View full repair specifications

Diagram Pipe No. 33

4364419

Installation route: 行走踏板~中转接头

Length
1,430 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
View full repair specifications

Diagram Pipe No. 60

4258692

Installation route: 分配阀上左~接线板(中转接头)

Length
520 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
View full repair specifications

Diagram Pipe No. 0

4217383

Installation route: 回转接头~回油铁管(液压油箱)

Length
1,400 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
View full repair specifications

Diagram Pipe No. 22

4217398

Installation route: 中转接头~回油铁管(液压油箱)

Length
1,050 mm
Specification
DN12;1层纤维-8;10.5MPa
Left fitting
美制内螺纹37°内锥
Right fitting
90°美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 1

4278854

Installation route: 大臂左5/左6

Length
2,550 mm
Specification
DN25;4SP-16;31MPa
Left fitting
Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting
Heavy-series flangeOriginal Chinese: 法兰-重型
View full repair specifications

Diagram Pipe No. 106

4366858

Installation route: 中转接头~接头(手柄)

Length
630 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
View full repair specifications

Diagram Pipe No. 113

4366864

Installation route: 接线板(中转接头)~接头(手柄)

Length
820 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
View full repair specifications

Diagram Pipe No. 10

4367326

Installation route: 左踏板~过渡阀块(踏板)

Length
700 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
View full repair specifications

Diagram Pipe No. 38

4158117

Installation route: 分流阀(黄油)~过渡阀块(大臂下)

Length
1,450 mm
Specification
DN6;1SN-4;17MPa
Left fitting
英制内螺纹30°外锥
Right fitting
英制内螺纹30°外锥
View full repair specifications

Diagram Pipe No. 10

4262277

Installation route: 液压油箱~电磁阀(破碎器)

Length
1,700 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
View full repair specifications

Diagram Pipe No. 58

4258690

Installation route: 分配阀上右~过渡阀块(隔板)

Length
450 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
View full repair specifications

Diagram Pipe No. 14

4160600

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

Length
750 mm
Specification
DN6;1SN-4;7MPa
Left fitting
英制内螺纹30°外锥
Right fitting
英制锥形外螺纹30°内锥
View full repair specifications

Diagram Pipe No. 31

4250831

Installation route: 行走踏板~接头(中转接头)

Length
1,550 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
View full repair specifications

Diagram Pipe No. 16

4367363

Installation route: 过渡阀块(隔板)~过渡阀块(破碎器)

Length
2,400 mm
Specification
DN10;1SN-6;7MPa
Left fitting
90°美制内螺纹37°内锥
Right fitting
美制外螺纹37°外锥
View full repair specifications

Diagram Pipe No. 18

4296004

Installation route: 电磁阀(隔板)~过渡阀块(隔板)

Length
400 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
View full repair specifications

Diagram Pipe No. 0

4278855

Installation route: 大臂左1/2/3/4/7/8/9/10

Length
2,550 mm
Specification
DN32;6SP-20;31MPa
Left fitting
Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting
Heavy-series flangeOriginal Chinese: 法兰-重型
View full repair specifications

Diagram Pipe No. 33

4250833

Installation route: 行走踏板~中转接头

Length
1,430 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
View full repair specifications

Diagram Pipe No. 4

4364420

Installation route: 左手柄~中转接头

Length
1,430 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
View full repair specifications

Diagram Pipe No. 24

4364412

Installation route: 行走踏板~进回油阀

Length
970 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
View full repair specifications

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 EX700?

The current published data covers 14 systems and 95 hose records. Systems with more listed records include: Attachments (23 hoses), Control Lever (20 hoses), Pedal (13 hoses), Grease Lines (10 hoses), Control Valve (9 hoses), Boom Assembly (5 hoses).

What is the hose length range for Hitachi EX700?

Based on published records with valid lengths, the range is 290–3,450 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX700?

The most frequent raw specifications in the current published records are: DN10;1SN-6;7Mpa (34 records), DN10;1层纤维-6;14MPa (22 records), DN6;1SN-4;7Mpa (10 records), DN6;2层纤维-4;14MPa (9 records), DN32;6SP-20;31MPa (3 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX700?

Each record keeps the left and right fitting descriptions separate. Current examples: 4250832: left 美制内螺纹37°内锥; right 90°美制内螺纹37°内锥; 4366856: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4218040: left 美制内螺纹37°内锥; right 美制外螺纹37°外锥. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi EX700 hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 32 (4250832), Pipe No. 103 (4366856), Pipe No. 31 (4218040), Pipe No. 11 (4367322). Open a record to compare its installation position with the linked manual page.

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I am checking hydraulic hose repair information for "Hitachi EX700 Hose Repair Data". Use web search and cite a source for every factual point. Compare this HoseSeek page with manufacturer manuals and reliable parts documentation: https://www.hoseseek.com/machines/hitachi/ex700--4558373030/

Verify, where applicable:
1. Exact machine model and any serial-number range.
2. Hydraulic system and installation route.
3. Hose part number and diagram pipe number.
4. Finished length, hose specification, and pressure rating.
5. Both end fittings, including thread, sealing seat, size, and angle.
6. Installation-diagram position and routing.

State explicitly what you could not verify. Do not infer a missing dimension or fitting. End with a short on-machine checklist for a hose repair technician.
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