Hydraulic line repair data

Hitachi EX1200-7 Boom Assembly Hose List

Hitachi EX1200-7 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: 2,015–2,700 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 27

4347824

Installation route: Bucket cylinderOriginal Chinese: 铲斗油缸

Length: 2,700 mm
Specification: DN38;6SP-24;34.5MPa
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. 8

4454680

Installation route: 小臂(背部)~过渡阀块(装载斗)

Length: 2,015 mm
Specification: DN32;6SP-20;34.5MPa
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. 21

4454670

Installation route: Bucket cylinderOriginal Chinese: 铲斗油缸

Length: 2,700 mm
Specification: DN32;6SP-20;34.5MPa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: Heavy-series flangeOriginal Chinese: 法兰-重型

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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 EX1200-7 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 EX1200-7 Boom Assembly?

Based on published records with valid lengths, the range is 2,015–2,700 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX1200-7 Boom Assembly?

The most frequent raw specifications in the current published records are: DN32;6SP-20;34.5MPa (2 records), DN38;6SP-24;34.5MPa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX1200-7 Boom Assembly?

Each record keeps the left and right fitting descriptions separate. Current examples: 4347824: left Heavy-series flange; right Heavy-series flange; 4454680: left Heavy-series flange; right Heavy-series flange; 4454670: left Heavy-series flange; 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 EX1200-7 Boom Assembly hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 27 (4347824), Pipe No. 8 (4454680), Pipe No. 21 (4454670). Open a record to compare its installation position with the linked manual page.