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. 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. 14

5W-9862

Installation route: Arm cylinder — leftOriginal Chinese: 小臂油缸左

Length: 2,300 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. 11

8U-4920

Installation route: Arm cylinder — rightOriginal Chinese: 小臂油缸右

Length: 1,000 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. 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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Diagram Pipe No. 1

8U-5084

Installation route: 铲斗油缸(前段)(加长臂2)

Length: 1,796 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. 25

8U-6203

Installation route: 小臂油缸(分节油缸规格)

Length: 1,400 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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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 Boom Assembly?

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®211B Boom Assembly?

Based on published records with valid lengths, the range is 800–960 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 Boom Assembly?

The most frequent raw specifications in the current published records are: DN19;4SP-12;35Mpa (2 records), DN13;6SH-8;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®211B Boom Assembly?

Each record keeps the left and right fitting descriptions separate. Current examples: 8U-6472: left Heavy-series flange; right Heavy-series flange; 8U-4953: left Heavy-series flange; right Heavy-series flange; 8U-6204: left Heavy-series flange; right Heavy-series flange. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Caterpillar CAT®211B Boom Assembly hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 3 (8U-6472), Pipe No. 3 (8U-4953), Pipe No. 1 (8U-6204). Open a record to compare its installation position with the linked manual page.