Hydraulic line repair data

Caterpillar CAT®211B Attachments Hose List

Coverage details

Hoses: 4 records
Full specifications: 4 records
Systems: 1 systems
Length range: 985–1,397 mm

Current system

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 11

8U-7521

Installation route: 接块(大臂上)~回油阀块

Length: 1,201 mm
Specification: DN10;2SN-6;33Mpa
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. 34

8U-7090

Installation route: 调速器油缸~回油阀块

Length: 1,397 mm
Specification: DN8;-5;17.5Mpa
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. 11

8U-6190

Installation route: 接块(大臂上)~回油阀块

Length: 1,201 mm
Specification: DN10;2SN-6;33Mpa
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. 15

8U-5383

Installation route: 大臂铁管~阀块

Length: 985 mm
Specification: DN6;2SN-4;40Mpa
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. 13

8U-5867

Installation route: 回油阀块~过渡阀块(连接回转马达)

Length: 2,896 mm
Specification: DN10;2SN-6;33Mpa
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. 28

8U-5761

Installation route: 过渡阀块(连接液压泵)

Length: 1,210 mm
Specification: DN6;2SN-4;40Mpa
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. 16

8U-0121

Installation route: 手动阀(大臂油缸右)~手动阀(大臂油缸右)

Length: 360 mm
Specification: DN8;-5;17.5Mpa
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. 8

8U-6506

Installation route: 分节油缸踏板~分配阀

Length: 3,195 mm
Specification: DN8;-5;17.5Mpa
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. 7

8U-6505

Installation route: 分节油缸踏板~分配阀

Length: 3,496 mm
Specification: DN8;-5;17.5Mpa
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. 2

8U-5281

Installation route: 液压油散热器~回油阀块

Length: 1,726 mm
Specification: DN25;2SN-16;16.5Mpa
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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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®211B Attachments?

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®211B Attachments?

Based on published records with valid lengths, the range is 985–1,397 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®211B Attachments?

The most frequent raw specifications in the current published records are: DN10;2SN-6;33Mpa (2 records), DN6;2SN-4;40Mpa (1 records), DN8;-5;17.5Mpa (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®211B Attachments?

Each record keeps the left and right fitting descriptions separate. Current examples: 8U-7521: left American female thread, flat-face seal; right American female thread, flat-face seal; 8U-7090: left American female thread, flat-face seal; right American female thread, flat-face seal; 8U-6190: 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®211B Attachments hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 11 (8U-7521), Pipe No. 34 (8U-7090), Pipe No. 11 (8U-6190), Pipe No. 15 (8U-5383). Open a record to compare its installation position with the linked manual page.