Individual hose record

4286812 Hose Repair Specifications

Excavator · Hitachi · ZX450H · Hydraulic Pump

Finished length800 mm

Hose repair card

Everything needed to identify and make this hose

Hitachi ZX450HPart 4286812

Make this hose4286812
L = 800 mm25IV(手写管线代码)L0°R0°
Finished length800 mm
Hose specification25IV(手写管线代码)
Quantity2
L0°

Left fitting1 7/16″ A型 0°(手写接头规格)FITTING · 0°View real fitting photos ↗

R0°

Right fitting1 7/16″ A型 0°(手写接头规格)FITTING · 0°View real fitting photos ↗

Route减震管

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4286812 hose repair card

Repair specifications

Part number
4286812
Installation route
减震管
Hose specification
25IV(手写管线代码)
Finished length
800 mm
Left fitting
1 7/16″ A型 0°(手写接头规格)
Right fitting
1 7/16″ A型 0°(手写接头规格)
Quantity
2

Workshop guide

Finding the correct hydraulic hose for Hitachi ZX450H Hydraulic Pump

Start with the machine and route

For Hitachi ZX450H 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 ZX450H 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

  • 4286812800 mm · 25IV(手写管线代码) · 减震管

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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