Individual hose record

4686610 Hose Repair Specifications

Excavator · Hitachi · ZX85USB-3 · Hydraulic Pump

Finished length1,950 mm

Hose repair card

Everything needed to identify and make this hose

Hitachi ZX85USB-3Pipe No. 28 · Part 4686610

Make this hose4686610
L = 1,950 mmDN12;4SP-8;27.5MPaL45°R90°
Finished length1,950 mm
Working pressure27.5 MPa
Hose specificationDN12;4SP-8;27.5MPa
Quantity1
L45°

Left fitting45°美制内螺纹平面密封ORFS · 45°View real fitting photos ↗

R90°

Right fitting90° elbow, American female thread, flat-face sealFITTING · 90°View real fitting photos ↗

Route液压泵~分配阀(进油)

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4686610 hose repair card

Repair specifications

Part number
4686610
Diagram pipe number
28
Installation route
液压泵~分配阀(进油)
Hose specification
DN12;4SP-8;27.5MPa
Finished length
1,950 mm
Working pressure
27.5 MPa
Left fitting
45°美制内螺纹平面密封
Right fitting
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
Quantity
1

Same system

Related Hoses

Diagram Pipe No. 27

4686609

Installation route: 液压泵~分配阀(进油)

Length
1,900 mm
Specification
DN12;4SP-8;27.5MPa
Left fitting
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
Right fitting
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 4

4694786

Installation route: 液压泵~电磁阀

Length
2,050 mm
Specification
DN6;1SN-4;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

Workshop guide

Finding the correct hydraulic hose for Hitachi ZX85USB-3 Hydraulic Pump

Start with the machine and route

For Hitachi ZX85USB-3 Hydraulic Pump, 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 ZX85USB-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

  • 46866101,950 mm · DN12;4SP-8;27.5MPa · 液压泵~分配阀(进油)

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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