Hydraulic line repair data

Caterpillar CAT®312C L Pedal Hose List

Coverage details

Hoses: 7 records
Full specifications: 7 records
Systems: 1 systems
Length range: 290–2,850 mm

Current system

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 15

179-7456

Installation route: 行走踏板~中转接头(踏板)

Length: 290 mm
Specification: DN10;1SN-6;10.4Mpa
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. 30

7Y-4193

Installation route: 行走踏板~分配阀

Length: 2,500 mm
Specification: DN10;1SN-6;10.4Mpa
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. 10

4I-3991

Installation route: 中转接头(踏板)~分配阀下

Length: 2,100 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 9

4I-3981

Installation route: 中转接头(踏板)~分配阀上

Length: 2,750 mm
Specification: DN10;1SN-6;10.4Mpa
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. 28

104-8768

Installation route: 行走踏板~分配阀

Length: 2,700 mm
Specification: DN10;1SN-6;10.4Mpa
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. 29

4I-0769

Installation route: 行走踏板~分配阀

Length: 2,850 mm
Specification: DN10;1SN-6;10.4Mpa
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. 31

7I-8252

Installation route: 行走踏板~分配阀

Length: 2,350 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 26

5I-8853

Installation route: 中转接头(踏板)~分配阀上

Length: 2,750 mm
Specification: DN10;1SN-6;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

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Diagram Pipe No. 14

087-5766

Installation route: 行走踏板~中转接头(踏板)

Length: 680 mm
Specification: DN10;1SN-6;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

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Diagram Pipe No. 36

087-4402

Installation route: 行走踏板~进回油阀

Length: 480 mm
Specification: DN10;1SN-6;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

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Diagram Pipe No. 13

087-5762

Installation route: 行走踏板~中转接头(踏板)

Length: 440 mm
Specification: DN10;1SN-6;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

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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®312C L Pedal?

There are 7 published records. 7 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Caterpillar CAT®312C L Pedal?

Based on published records with valid lengths, the range is 290–2,850 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®312C L Pedal?

The most frequent raw specifications in the current published records are: DN10;1SN-6;10.4Mpa (5 records), DN10;-6;10.3Mpa (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®312C L Pedal?

Each record keeps the left and right fitting descriptions separate. Current examples: 179-7456: left American female thread, flat-face seal; right American female thread, flat-face seal; 7Y-4193: left American female thread, flat-face seal; right American female thread, flat-face seal; 4I-3991: 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®312C L Pedal hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 15 (179-7456), Pipe No. 30 (7Y-4193), Pipe No. 10 (4I-3991), Pipe No. 9 (4I-3981). Open a record to compare its installation position with the linked manual page.