Individual hose record

4643874 Hose Repair Specifications

Excavator · Hitachi · ZX270LC-3 · Attachments – Breaker

Finished length1,400 mm

Hose repair card

Everything needed to identify and make this hose

Hitachi ZX270LC-3Pipe No. 8 · Part 4643874

Make this hose4643874
L = 1,400 mmDN25;4SP-16;34.5MPaL0°R0°
Finished length1,400 mm
Working pressure34.5 MPa
Hose specificationDN25;4SP-16;34.5MPa
Quantity2
L0°

Left fittingAmerican female thread, flat-face sealFITTING · 0°View real fitting photos ↗

R0°

Right fittingAmerican female thread, flat-face sealFITTING · 0°View real fitting photos ↗

Route小臂破碎器截止阀左

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4643874 hose repair card

Repair specifications

Part number
4643874
Diagram pipe number
8
Installation route
小臂破碎器截止阀左
Hose specification
DN25;4SP-16;34.5MPa
Finished length
1,400 mm
Working pressure
34.5 MPa
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
Quantity
2

Same system

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Installation route: 小臂破碎器截止阀左

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Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
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Diagram Pipe No. 3

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Left fitting
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Diagram Pipe No. 3

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Specification
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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. 49

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Installation route: 大臂(前段)~大臂(后段)

Length
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Specification
DN25;4SH-16;38.8MPa
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. 20

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Installation route: 大臂(破碎器)~过渡阀块(破碎器)

Length
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Specification
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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. 38A

4649408

Installation route: 大臂(后段)~止动阀(破碎器)

Length
1,150 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. 4

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Installation route: 小臂破碎器截止阀右

Length
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Specification
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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

4643925

Installation route: 小臂破碎器截止阀

Length
1,800 mm
Specification
DN25;4SP-16;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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Workshop guide

Finding the correct hydraulic hose for Hitachi ZX270LC-3 Attachments – Breaker

Start with the machine and route

For Hitachi ZX270LC-3 Attachments – Breaker, 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 ZX270LC-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

  • 46438741,400 mm · DN25;4SP-16;34.5MPa · 小臂破碎器截止阀左

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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