Hydraulic line repair data

Caterpillar CAT®307 Hydraulic Pump Hose List

Coverage details
Hoses
4 records
Full specifications
4 records
Systems
1 systems
Length range
325–2,360 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. 20

7I-0921

Installation route: 液压泵后~电磁阀(液压油箱后)

Length
1,200 mm
Specification
DN6;-4;10.3Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 4

125-1790

Installation route: 液压泵~蓄能器电磁阀(液压油箱后)

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
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 3

4I-1419

Installation route: 液压泵吸油铁管~进回油阀

Length
2,360 mm
Specification
DN10;-6;10.3Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 14

5I-3118

Installation route: 液压泵~吸油铁管(液压油箱左)

Length
700 mm
Specification
DN13;-8;10.3Mpa
Left fitting
90°美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 11

107-1415

Installation route: 液压泵~分配阀后

Length
760 mm
Specification
DN16;4SP-10;28Mpa
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
View full repair specifications

Diagram Pipe No. 53

108-7151

Installation route: 液压泵~过渡阀块(分配阀上)

Length
2,100 mm
Specification
DN6;-4;10.3Mpa
Left fitting
90°美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 55

108-7469

Installation route: 液压泵吸油铁管~液压油过滤器

Length
600 mm
Specification
DN13;-8;10.3Mpa
Left fitting
90°美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 10

107-1412

Installation route: 液压泵~分配阀后

Length
850 mm
Specification
DN16;4SP-10;28Mpa
Left fitting
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°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®307 Hydraulic Pump?

There are 4 published records. 4 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Caterpillar CAT®307 Hydraulic Pump?

Based on published records with valid lengths, the range is 325–2,360 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 Hydraulic Pump?

The most frequent raw specifications in the current published records are: DN10;-6;10.3Mpa (1 records), DN13;1SN-8;14Mpa (1 records), DN13;4SP-8;28Mpa (1 records), DN6;-4;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®307 Hydraulic Pump?

Each record keeps the left and right fitting descriptions separate. Current examples: 7I-0921: left 美制内螺纹37°锥; right 美制内螺纹37°锥; 125-1790: left American female thread, flat-face seal; right American female thread, flat-face seal; 107-1486: left 美制内螺纹37°锥; right 美制内螺纹37°锥. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Caterpillar CAT®307 Hydraulic Pump hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 20 (7I-0921), Pipe No. 4 (125-1790), Pipe No. 48 (107-1486), Pipe No. 3 (4I-1419). Open a record to compare its installation position with the linked manual page.

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