Hydraulic line repair data

Caterpillar CAT®313D2-GC Attachments – Quick Coupler Hose List

Coverage details

Hoses: 6 records
Full specifications: 6 records
Systems: 1 systems
Length range: 1,400–2,330 mm

Current system

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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

Diagram Pipe No. 25

503-1922

Installation route: 大臂(快换)~单向阀(液压泵上)

Length: 2,330 mm
Specification: DN10;6SH-6;42Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 25

486-0122

Installation route: 大臂(快换)~单向阀(液压泵上)

Length: 2,190 mm
Specification: DN10;6SH-6;42Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 1

177-8506

Installation route: 大臂(快换)~小臂(快换)

Length: 1,800 mm
Specification: DN13;6SH-8;42Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 2

277-1251

Installation route: 大臂(快换)~小臂(快换)

Length: 1,400 mm
Specification: DN13;6SH-8;42Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 24

503-1919

Installation route: 大臂(快换)~单向阀(液压泵上)

Length: 2,240 mm
Specification: DN10;6SH-6;42Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 26

486-0125

Installation route: 大臂(快换)~单向阀(液压泵上)

Length: 2,250 mm
Specification: DN10;6SH-6;42Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 4

7Y-8379

Installation route: 电磁阀(液压泵上)~吸油铁管

Length: 800 mm
Specification: DN10;-6;10.3Mpa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 11

285-2715

Installation route: 电磁阀(液压泵上)~吸油铁管

Length: 780 mm
Specification: DN10;1SN-6;10.4Mpa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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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 Caterpillar CAT®313D2-GC Attachments – Quick Coupler?

There are 6 published records. 6 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Caterpillar CAT®313D2-GC Attachments – Quick Coupler?

Based on published records with valid lengths, the range is 1,400–2,330 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®313D2-GC Attachments – Quick Coupler?

The most frequent raw specifications in the current published records are: DN10;6SH-6;42Mpa (4 records), DN13;6SH-8;42Mpa (2 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Caterpillar CAT®313D2-GC Attachments – Quick Coupler?

Each record keeps the left and right fitting descriptions separate. Current examples: 503-1922: left American female thread, flat-face seal; right American female thread, flat-face seal; 486-0122: left American female thread, flat-face seal; right American female thread, flat-face seal; 177-8506: left American female thread, flat-face seal; right American female thread, flat-face seal. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Caterpillar CAT®313D2-GC Attachments – Quick Coupler hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 25 (503-1922), Pipe No. 25 (486-0122), Pipe No. 1 (177-8506), Pipe No. 2 (277-1251). Open a record to compare its installation position with the linked manual page.