Hydraulic line repair data

Caterpillar CAT®315-A Attachments Hose List

Coverage details

Hoses: 7 records
Full specifications: 7 records
Systems: 1 systems
Length range: 820–3,500 mm

Current system

Find a hose in this system

Use the number on the diagram, a part number, connection point, length, hose size, or fitting.

Pipe number, part number, route, length, or fittingSearch another machine

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 4

129-6498

Installation route: 分流器阀(大臂上)~大臂铁管

Length: 1,045 mm
Specification: DN25;4SP-16;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. 5

4I-1455

Installation route: 踏板(附加装置)~分配阀下

Length: 2,330 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. 11

107-1591

Installation route: 右踏板~进回油阀

Length: 3,500 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. 3

7I-0076

Installation route: 大臂(附加装置)~小臂(附加装置)

Length: 1,370 mm
Specification: DN19;4SP-12;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. 14

4I-6242

Installation route: 右踏板~分配阀上

Length: 2,950 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. 1

108-7497

Installation route: 大臂(附加装置)~分配阀

Length: 1,100 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

View full repair specifications

Diagram Pipe No. 8

4I-3778

Installation route: 手动阀(连分配阀)~先导阀(分配阀右前)

Length: 820 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. 6

4I-7769

Installation route: 右踏板~进回油阀

Length: 700 mm
Specification: DN10;-6;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. 1

7I-8303

Installation route: 溢流阀(大臂上)~大臂铁管

Length: 600 mm
Specification: DN19;4SP-12;28Mpa
Left fitting: 45°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. 25

7I-7527

Installation route: 右踏板~分配阀上

Length: 500 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. 19

135-2779

Installation route: 溢流阀(大臂上)~大臂铁管

Length: 750 mm
Specification: DN19;4SP-12;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. 8

4I-7769

Installation route: 手动阀(连分配阀)~先导阀(分配阀右)

Length: 700 mm
Specification: DN10;-6;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. 3

4I-7769

Installation route: 踏板(附加装置)~进回油阀

Length: 700 mm
Specification: DN10;-6;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. 5

129-1077

Installation route: 分流器阀(大臂上)~大臂铁管

Length: 700 mm
Specification: DN19;4SP-12;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. 12

7I-7435

Installation route: 大臂(附加装置)~分配阀

Length: 465 mm
Specification: DN19;1SN-12;8.7Mpa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°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

129-1077

Installation route: 溢流阀(大臂上)~大臂铁管

Length: 700 mm
Specification: DN19;4SP-12;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. 2

7I-8306

Installation route: 溢流阀(大臂上)~大臂铁管

Length: 710 mm
Specification: DN19;4SP-12;28Mpa
Left fitting: 45°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®315-A Attachments?

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®315-A Attachments?

Based on published records with valid lengths, the range is 820–3,500 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®315-A Attachments?

The most frequent raw specifications in the current published records are: DN10;-6;10.3Mpa (4 records), DN19;4SP-12;28Mpa (1 records), DN19;6SH-12;42Mpa (1 records), DN25;4SP-16;28Mpa (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®315-A Attachments?

Each record keeps the left and right fitting descriptions separate. Current examples: 129-6498: left American female thread, flat-face seal; right American female thread, flat-face seal; 4I-1455: left 美制内螺纹37°锥; right 美制内螺纹37°锥; 107-1591: 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®315-A Attachments hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 4 (129-6498), Pipe No. 5 (4I-1455), Pipe No. 11 (107-1591), Pipe No. 3 (7I-0076). Open a record to compare its installation position with the linked manual page.