Hydraulic line repair data

Caterpillar CAT®206B Attachments Hose List

Coverage details

Hoses: 6 records
Full specifications: 6 records
Systems: 1 systems
Length range: 820–2,156 mm

Current system

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 14

8U-5875

Installation route: 推土铲手柄~分配阀

Length: 2,156 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. 9

8U-4534

Installation route: 推土铲油缸~过渡接头(推土铲油缸)

Length: 820 mm
Specification: DN10;6SH-6;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

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Diagram Pipe No. 2

5W-4940

Installation route: 翻盖式铲斗管路

Length: 1,901 mm
Specification: DN13;6SH-8;42Mpa
Left fitting: 公制内螺纹24°锥带O形圈-重型
Right fitting: 公制内螺纹24°锥带O形圈-重型

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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. 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. 1

5W-4939

Installation route: 翻盖式铲斗管路

Length: 1,900 mm
Specification: DN16;6SH-10;42Mpa
Left fitting: 公制内螺纹24°锥带O形圈-重型
Right fitting: 公制内螺纹24°锥带O形圈-重型

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Diagram Pipe No. 3

8U-5914

Installation route: 支腿油缸管路

Length: 720 mm
Specification: DN10;6SH-6;42Mpa
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. 5

8U-1072

Installation route: 转速控制阀管路

Length: 667 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. 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. 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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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. 29

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. 7

8U-5914

Installation route: 支腿油缸管路

Length: 720 mm
Specification: DN10;6SH-6;42Mpa
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. 14

8U-6692

Installation route: 转向泵~梭阀

Length: 369 mm
Specification: DN10;2SN-6;33Mpa
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

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Diagram Pipe No. 13

8U-4701

Installation route: 推土铲手柄~分配阀

Length: 1,997 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. 11

8U-4504

Installation route: 行走马达~

Length: 500 mm
Specification: DN10;2SN-6;33Mpa
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

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Diagram Pipe No. 6

8U-5913

Installation route: 支腿油缸管路

Length: 489 mm
Specification: DN10;6SH-6;42Mpa
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. 15

8U-5887

Installation route: 推土铲手柄~

Length: 1,746 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. 9

8U-1645

Installation route: 转速控制阀管路

Length: 1,251 mm
Specification: DN6;2SN-4;40Mpa
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

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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. 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-5915

Installation route: 支腿油缸管路

Length: 500 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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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®206B Attachments?

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®206B Attachments?

Based on published records with valid lengths, the range is 820–2,156 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®206B Attachments?

The most frequent raw specifications in the current published records are: DN8;-5;17.5Mpa (2 records), DN10;6SH-6;42Mpa (1 records), DN13;6SH-8;42Mpa (1 records), DN16;6SH-10;42Mpa (1 records), DN6;2SN-4;40Mpa (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®206B Attachments?

Each record keeps the left and right fitting descriptions separate. Current examples: 8U-5875: left American female thread, flat-face seal; right American female thread, flat-face seal; 8U-4534: left American female thread, flat-face seal; right American female thread, flat-face seal; 5W-4940: left 公制内螺纹24°锥带O形圈-重型; right 公制内螺纹24°锥带O形圈-重型. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Caterpillar CAT®206B Attachments hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 14 (8U-5875), Pipe No. 9 (8U-4534), Pipe No. 2 (5W-4940), Pipe No. 15 (8U-5383). Open a record to compare its installation position with the linked manual page.