Individual hose record

4450215 Hose Repair Specifications

Excavator · Hitachi · ZX135US-3 · Attachments

Finished length300 mm

Repair specifications

Part number
4450215
Diagram pipe number
28
Installation route
推土铲手柄~行走踏板
Hose specification
DN10;1SN-6;7Mpa
Finished length
300 mm
Working pressure
7 MPa
Left fitting
美制内螺纹37°内锥
Right fitting
90°美制内螺纹37°内锥
Quantity
1

Same system

Related Hoses

Diagram Pipe No. 28

4487172

Installation route: 控制阀(推土铲)~过渡阀块(推土铲)

Length
350 mm
Specification
DN10;1SN-6;7Mpa
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. 27

4457107

Installation route: 控制阀(推土铲)~回油铁管(分配阀)

Length
400 mm
Specification
DN10;1SN-6;7Mpa
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. 13

4457107

Installation route: 控制阀(偏置大臂)~回油铁管(液压油箱)

Length
400 mm
Specification
DN10;1SN-6;7Mpa
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. 19

4470089

Installation route: 行走踏板~进回油阀

Length
450 mm
Specification
DN10;1SN-6;7Mpa
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. 5A

4684256

Installation route: 偏置大臂踏板~电磁阀

Length
4,100 mm
Specification
DN10;1SN-6;7Mpa
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. 13

4684224

Installation route: 推土铲手柄~进回油阀

Length
380 mm
Specification
DN10;1SN-6;7Mpa
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. 65A

4269832

Installation route: 过渡阀块(中转接头)~接线板

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. 25A

4683498

Installation route: 大臂(辅助)~接线板(大臂下)

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
View full repair specifications

Workshop guide

Finding the correct hydraulic hose for Hitachi ZX135US-3 Attachments

Start with the machine and route

For Hitachi ZX135US-3 Attachments, identify the exact model and hydraulic system on the machine first. A part number or diagram pipe number is the fastest way to narrow a replacement hose; if neither is visible, compare the installation route and the existing hose.

See all Hitachi ZX135US-3 systems

Read the dimensions before cutting

Check whether a listed dimension is finished assembly length, hose-only length, or cut length. These are not interchangeable. Confirm hose specification and pressure rating, then compare both ends separately: thread, sealing seat, size, angle, and orientation.

Records to compare

  • 4450215300 mm · DN10;1SN-6;7Mpa · 推土铲手柄~行走踏板

Use the drawing as a location check

Where an installation drawing or manual figure is available, match its callout to the part number and physical route. A hydraulic circuit diagram explains connections but does not show the exact routing of a hose on the machine. Take the old hose or clear end-fitting photographs to the workshop if any dimension is missing.

For reference only. Confirm the actual hose before fabrication.

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