Individual hose record

4282481 Hose Repair Specifications

Excavator · Hitachi · EX100M-3 · Swing Motor

Finished length500 mm

Repair specifications

Part number
4282481
Diagram pipe number
5
Installation route
回转马达~过渡阀块(回转马达)
Hose specification
DN6;2SN-4;68.5MPa
Finished length
500 mm
Working pressure
68.5 MPa
Left fitting
美制内螺纹37°内锥
Right fitting
90°美制内螺纹37°内锥
Quantity
2

Same system

Related Hoses

Diagram Pipe No. 26

4320256

Installation route: 回转马达~电磁阀

Length
420 mm
Specification
DN6;1SN-4;7Mpa
Left fitting
90°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. 63A

4285683

Installation route: Swing motor → return steel line (hydraulic tank)Original Chinese: 回转马达~回油铁管(液压油箱)

Length
650 mm
Specification
DN10;1层纤维-6;14MPa
Left fitting
90°美制内螺纹37°内锥
Right fitting
45°美制内螺纹37°内锥
View full repair specifications

Workshop guide

Finding the correct hydraulic hose for Hitachi EX100M-3 Swing Motor

Start with the machine and route

For Hitachi EX100M-3 Swing Motor, 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 EX100M-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

  • 4282481500 mm · DN6;2SN-4;68.5MPa · 回转马达~过渡阀块(回转马达)

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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