Hydraulic line repair data

Caterpillar CAT®205B Boom Assembly Hose List

Coverage details

Hoses: 6 records
Full specifications: 6 records
Systems: 1 systems
Length range: 918–1,201 mm

Current system

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 17

8U-7521

Installation route: 小臂油缸前置阀块~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. 1

8U-6184

Installation route: 大臂(前段)~大臂(后段)

Length: 960 mm
Specification: DN16;6SH-10;42Mpa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: Heavy-series flangeOriginal Chinese: 法兰-重型

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Diagram Pipe No. 11

8U-6190

Installation route: 分节油缸管路

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. 17

8U-6190

Installation route: 小臂油缸前置阀块~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. 3

8U-6472

Installation route: 大臂(前段)~大臂(后段)

Length: 918 mm
Specification: DN13;6SH-8;42Mpa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: Heavy-series flangeOriginal Chinese: 法兰-重型

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Diagram Pipe No. 11

8U-7521

Installation route: 分节油缸管路

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. 17

8U-7273

Installation route: 大臂~小臂油缸前置阀块

Length: 960 mm
Specification: DN16;6SH-10;42Mpa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型

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Diagram Pipe No. 8

8U-6185

Installation route: 分节油缸管路

Length: 2,297 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. 1

8U-4975

Installation route: 铲斗油缸(规格2)

Length: 1,450 mm
Specification: DN16;6SH-10;42Mpa
Left fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型
Right fitting: Heavy-series flangeOriginal Chinese: 法兰-重型

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Diagram Pipe No. 25

8U-6182

Installation route: 小臂油缸(分节油缸规格)

Length: 1,000 mm
Specification: DN19;4SP-12;35Mpa
Left fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型
Right fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型

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Diagram Pipe No. 4

8U-6183

Installation route: 分节油缸管路

Length: 818 mm
Specification: DN19;4SP-12;35Mpa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型

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Diagram Pipe No. 24

8U-6181

Installation route: 小臂油缸(分节油缸规格)

Length: 2,290 mm
Specification: DN19;4SP-12;35Mpa
Left fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型
Right fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型

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Diagram Pipe No. 6

8U-6186

Installation route: 分节油缸管路

Length: 803 mm
Specification: DN16;2SN-10;25Mpa
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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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®205B Boom Assembly?

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®205B Boom Assembly?

Based on published records with valid lengths, the range is 918–1,201 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®205B Boom Assembly?

The most frequent raw specifications in the current published records are: DN10;2SN-6;33Mpa (4 records), DN13;6SH-8;42Mpa (1 records), DN16;6SH-10;42Mpa (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®205B Boom Assembly?

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-6184: left Heavy-series flange; right Heavy-series flange; 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®205B Boom Assembly hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 17 (8U-7521), Pipe No. 1 (8U-6184), Pipe No. 11 (8U-6190), Pipe No. 17 (8U-6190). Open a record to compare its installation position with the linked manual page.