Hydraulic line repair data

Hitachi EX300LC-3 Control Lever Hose List

Hitachi EX300LC-3 Control Lever currently has 33 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 33 records
Full specifications: 33 records
Systems: 1 systems
Length range: 320–2,180 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 20

4345772

Installation route: 中转接头~过渡阀块(行走踏板)

Length: 450 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. 22

4313713

Installation route: 中转接头~回油铁管(液压油箱)

Length: 1,850 mm
Specification: DN12;1层纤维-8;10.5MPa
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. 33

4304412

Installation route: 左手柄~进回油阀

Length: 1,300 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. 34

4287527

Installation route: 右手柄~进回油阀

Length: 1,550 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

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. 25A

4325210

Installation route: 模式转换阀~接线板(中转接头)

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

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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. 28

4313704

Installation route: 中转接头~分配阀上

Length: 2,180 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

4313702

Installation route: 中转接头~分配阀下

Length: 1,900 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. 21

4345773

Installation route: 中转接头~过渡阀块(行走踏板)

Length: 450 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. 2

4332157

Installation route: 左手柄~接线板(中转接头)

Length: 1,960 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. 27A

4325212

Installation route: 模式转换阀~接线板(中转接头)

Length: 330 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. 26A

4325211

Installation route: 模式转换阀~接线板(中转接头)

Length: 480 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. 29A

4325213

Installation route: 模式转换阀~接线板(中转接头)

Length: 740 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

4283435

Installation route: 中转接头~分配阀下

Length: 2,000 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. 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. 37

4332160

Installation route: 右手柄~接线板(中转接头)

Length: 2,080 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. 33A

4351133

Installation route: 模式转换阀~电磁阀(手柄)

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. 4

4332155

Installation route: 左手柄~接线板(中转接头)

Length: 1,840 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. 2

4332157

Installation route: 左手柄~中转接头

Length: 1,960 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

4313703

Installation route: 中转接头~分配阀上

Length: 2,070 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. 5

4332156

Installation route: 左手柄~中转接头

Length: 1,840 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. 22

4345774

Installation route: 中转接头~过渡阀块(行走踏板)

Length: 450 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. 5

4332156

Installation route: 左手柄~接线板(中转接头)

Length: 1,840 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. 34A

4351134

Installation route: 模式转换阀~电磁阀(手柄)

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. 18

4332159

Installation route: 右手柄~接线板(中转接头)

Length: 2,010 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. 36

4287546

Installation route: 右手柄~进回油阀

Length: 1,550 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. 25A

4325209

Installation route: 模式转换阀~接线板(中转接头)

Length: 320 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

4332158

Installation route: 左手柄~接线板(中转接头)

Length: 1,850 mm
Specification: DN10;1SN-6;18MPa
Left fitting: 美制内螺纹74°内锥双六角
Right fitting: 美制内螺纹74°内锥双六角

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Diagram Pipe No. 30A

4325215

Installation route: 模式转换阀~接线板(中转接头)

Length: 580 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. 23

4345775

Installation route: 中转接头~过渡阀块(行走踏板)

Length: 450 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

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. 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

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.

How many hoses are currently listed for Hitachi EX300LC-3 Control Lever?

There are 33 published records. 33 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi EX300LC-3 Control Lever?

Based on published records with valid lengths, the range is 320–2,180 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX300LC-3 Control Lever?

The most frequent raw specifications in the current published records are: DN10;1SN-6;7Mpa (23 records), DN10;1SN-06;7Mpa (4 records), DN10;1层纤维-6;14MPa (4 records), DN10;1SN-6;18MPa (1 records), DN12;1层纤维-8;10.5MPa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX300LC-3 Control Lever?

Each record keeps the left and right fitting descriptions separate. Current examples: 4345772: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4313713: left 美制内螺纹37°内锥; right 45°美制内螺纹37°内锥; 4304412: 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 EX300LC-3 Control Lever hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 20 (4345772), Pipe No. 22 (4313713), Pipe No. 33 (4304412), Pipe No. 34 (4287527). Open a record to compare its installation position with the linked manual page.