Hydraulic line repair data

Caterpillar CAT®312D L Swivel Joint Hose List

Coverage details
Hoses
1 records
Full specifications
1 records
Systems
1 systems
Length range
1,900–1,900 mm

Current system

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 5

179-7778

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length
1,900 mm
Specification
DN13;-8;10.3Mpa
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
View full repair specifications

Diagram Pipe No. 8

187-5812

Installation route: 回转接头~控制阀(回转接头右)

Length
550 mm
Specification
DN16;4SP-10;28Mpa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 6

179-7779

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length
2,250 mm
Specification
DN6;-4;10.3Mpa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 9

337-1324

Installation route: 回转接头~控制阀(回转接头右)

Length
400 mm
Specification
DN16;4SP-10;28Mpa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 22

199-1820

Installation route: 回转接头~分配阀前(规格2)

Length
800 mm
Specification
DN19;6SH-12;42Mpa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
45°美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 8

286-6461

Installation route: 回转接头~液压油过滤器

Length
2,700 mm
Specification
DN13;1SN-8;10.4Mpa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 3

7I-1303

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length
1,700 mm
Specification
DN19;6SH-12;42Mpa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 6

317-4816

Installation route: 回转接头~蓄能器电磁阀(液压泵右后)

Length
1,350 mm
Specification
DN10;-6;10.3Mpa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
45°美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 21

5I-8879

Installation route: 回转接头~分配阀前(规格2)

Length
900 mm
Specification
DN19;6SH-12;42Mpa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
45°美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 23

292-7415

Installation route: 回转接头~分配阀前(规格2)

Length
840 mm
Specification
DN19;6SH-12;42Mpa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
45°美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 8

286-6461

Installation route: 回转接头~液压泵

Length
2,700 mm
Specification
DN13;1SN-8;10.4Mpa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
View full repair specifications

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®312D L Swivel Joint?

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 Caterpillar CAT®312D L Swivel Joint?

Based on published records with valid lengths, the range is 1,900 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®312D L Swivel Joint?

The most frequent raw specifications in the current published records are: DN13;-8;10.3Mpa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Caterpillar CAT®312D L Swivel Joint?

Each record keeps the left and right fitting descriptions separate. Current examples: 179-7778: 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®312D L Swivel Joint hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 5 (179-7778). Open a record to compare its installation position with the linked manual page.

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