Hydraulic line repair data

Hitachi ZX450H Hydraulic Pump Hose List

Coverage details
Hoses
1 records
Full specifications
1 records
Systems
1 systems
Length range
800–800 mm

Current system

Find a hose in this system

Use the number on the diagram, a part number, connection point, length, hose size, or fitting.

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Hose repair details

Hose Length and Fitting List

Hose record

4286812

Installation route: 减震管

Length
800 mm
Specification
25IV(手写管线代码)
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)
View full repair specifications

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.

Based on current published data

Common Repair Questions

Questions appear only when a published record or linked PDF page provides the answer.

How many hoses are currently listed for Hitachi ZX450H Hydraulic Pump?

There are 1 published records. 1 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi ZX450H Hydraulic Pump?

Based on published records with valid lengths, the range is 800 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX450H Hydraulic Pump?

The most frequent raw specifications in the current published records are: 25IV(手写管线代码) (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX450H Hydraulic Pump?

Each record keeps the left and right fitting descriptions separate. Current examples: 4286812: left 1 7/16″ A型 0°(手写接头规格); right 1 7/16″ A型 0°(手写接头规格). Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

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