Hydraulic line repair data

Caterpillar CAT®307-A Boom Assembly Hose List

Coverage details

Hoses: 6 records
Full specifications: 6 records
Systems: 1 systems
Length range: 570–2,950 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. 1

107-1418

Installation route: 大臂油缸

Length: 760 mm
Specification: DN13;4SP-8;28Mpa
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

107-1460

Installation route: Bucket cylinderOriginal Chinese: 铲斗油缸

Length: 980 mm
Specification: DN13;4SP-8;28Mpa
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. 17

108-9020

Installation route: 小臂油缸(分节油缸规格)

Length: 2,950 mm
Specification: DN13;4SP-8;28Mpa
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. 6

107-1457

Installation route: 小臂油缸

Length: 570 mm
Specification: DN13;4SP-8;28Mpa
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

111-6691

Installation route: 大臂油缸

Length: 759 mm
Specification: DN13;1SN-8;14Mpa
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

108-7428

Installation route: Bucket cylinderOriginal Chinese: 铲斗油缸

Length: 1,500 mm
Specification: DN13;4SP-8;28Mpa
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. 5

107-1422

Installation route: 大臂左2/左3

Length: 750 mm
Specification: DN13;4SP-8;28Mpa
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

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Diagram Pipe No. 6

113-6584

Installation route: 大臂左1

Length: 800 mm
Specification: DN13;4SP-8;28Mpa
Left fitting: 45°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. 22

107-1426

Installation route: 大臂左4

Length: 800 mm
Specification: DN13;4SP-8;28Mpa
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

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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®307-A Boom Assembly?

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®307-A Boom Assembly?

Based on published records with valid lengths, the range is 570–2,950 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®307-A Boom Assembly?

The most frequent raw specifications in the current published records are: DN13;4SP-8;28Mpa (5 records), DN13;1SN-8;14Mpa (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®307-A Boom Assembly?

Each record keeps the left and right fitting descriptions separate. Current examples: 107-1418: left American female thread, flat-face seal; right American female thread, flat-face seal; 107-1460: left American female thread, flat-face seal; right American female thread, flat-face seal; 108-9020: 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®307-A Boom Assembly hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 1 (107-1418), Pipe No. 1 (107-1460), Pipe No. 17 (108-9020), Pipe No. 6 (107-1457). Open a record to compare its installation position with the linked manual page.