Hydraulic line repair data

Caterpillar CAT®229 Attachments Hose List

Coverage details

Hoses: 3 records
Full specifications: 3 records
Systems: 1 systems
Length range: 400–465 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. 8

2V-0665

Installation route: 回油滤芯~液压油散热器

Length: 400 mm
Specification: DN25;1SN-16;7Mpa
Left fitting: 美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 3

2V-0664

Installation route: 回油滤芯~液压油散热器

Length: 465 mm
Specification: DN25;1SN-16;7Mpa
Left fitting: 美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 11

6W-5415

Installation route: 先导阀(分配阀后)~过渡阀块(分配阀上)

Length: 415 mm
Specification: DN10;4SP-6;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. 7

3V-9732

Installation route: 过渡阀块(分配阀上)~组合阀(液压油箱左下)

Length: 1,115 mm
Specification: DN32;4SP-20;35Mpa
Left fitting: 60°法兰-重型
Right fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型

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Diagram Pipe No. 3

3V-1185

Installation route: 先导阀(中转接头后)~过渡阀块(分配阀上)

Length: 930 mm
Specification: DN10;4SP-6;28Mpa
Left fitting: 90°美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 6

9C-1898

Installation route: 燃油调速控制器~驾驶室地板

Length: 441 mm
Specification: DN6;1SN-4;19.2Mpa
Left fitting: 90°美制内螺纹37°锥
Right fitting: 90°美制内螺纹37°锥

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Diagram Pipe No. 7

9C-1899

Installation route: 燃油调速控制器~驾驶室地板

Length: 414 mm
Specification: DN6;1SN-4;19.2Mpa
Left fitting: 90°美制内螺纹37°锥
Right fitting: 90°美制内螺纹37°锥

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Diagram Pipe No. 3

8K-0768

Installation route: 回油滤芯~法兰板(回油滤芯前)

Length: 864 mm
Specification: DN51;1SN-32;2.6Mpa
Left fitting: Light-series flangeOriginal Chinese: 法兰-轻型
Right fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型

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Diagram Pipe No. 6

9C-1898

Installation route: 燃油调速控制器~驾驶室地板

Length: 441 mm
Specification: DN6;1SN-4;19.2Mpa
Left fitting: 90°美制内螺纹37°锥
Right fitting: 90°美制内螺纹37°锥

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Diagram Pipe No. 13

3V-9614

Installation route: 安全阀(分配阀右下)~过渡阀块(大臂下)

Length: 740 mm
Specification: DN32;4SP-20;35Mpa
Left fitting: 45° heavy-series flangeOriginal Chinese: 45°法兰-重型
Right fitting: 45° heavy-series flangeOriginal Chinese: 45°法兰-重型

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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®229 Attachments?

There are 3 published records. 3 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Caterpillar CAT®229 Attachments?

Based on published records with valid lengths, the range is 400–465 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®229 Attachments?

The most frequent raw specifications in the current published records are: DN25;1SN-16;7Mpa (2 records), DN10;4SP-6;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®229 Attachments?

Each record keeps the left and right fitting descriptions separate. Current examples: 2V-0665: left 美制内螺纹37°锥; right 美制内螺纹37°锥; 2V-0664: left 美制内螺纹37°锥; right 美制内螺纹37°锥; 6W-5415: 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®229 Attachments hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 8 (2V-0665), Pipe No. 3 (2V-0664), Pipe No. 11 (6W-5415). Open a record to compare its installation position with the linked manual page.