Hydraulic line repair data

Hitachi ZX670LC-5A Boom Assembly Hose List

Hitachi ZX670LC-5A Boom Assembly currently has 3 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 3 records
Full specifications: 3 records
Systems: 1 systems
Length range: 1,150–1,780 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 2

4676598

Installation route: 大臂油缸左1/左4

Length: 1,170 mm
Specification: DN32;4SP-20;35Mpa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: Heavy-series flangeOriginal Chinese: 法兰-重型

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Diagram Pipe No. 49

4716365

Installation route: 大臂左5

Length: 1,780 mm
Specification: DN25;4SP-16;32.5MPa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: Heavy-series flangeOriginal Chinese: 法兰-重型

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Diagram Pipe No. 4

4644297

Installation route: Boom cylinder — left 2 / left 3Original Chinese: 大臂油缸左2/左3

Length: 1,150 mm
Specification: DN25;4SP-16;32.5MPa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: Heavy-series flangeOriginal Chinese: 法兰-重型

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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 ZX670LC-5A Boom Assembly?

There are 3 published records. 3 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi ZX670LC-5A Boom Assembly?

Based on published records with valid lengths, the range is 1,150–1,780 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX670LC-5A Boom Assembly?

The most frequent raw specifications in the current published records are: DN25;4SP-16;32.5MPa (2 records), DN32;4SP-20;35Mpa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX670LC-5A Boom Assembly?

Each record keeps the left and right fitting descriptions separate. Current examples: 4676598: left Heavy-series flange; right Heavy-series flange; 4716365: left Heavy-series flange; right Heavy-series flange; 4644297: left American female thread, flat-face seal; right Heavy-series flange. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi ZX670LC-5A Boom Assembly hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 2 (4676598), Pipe No. 49 (4716365), Pipe No. 4 (4644297). Open a record to compare its installation position with the linked manual page.