Hydraulic line repair data

Caterpillar CAT®224B Boom Assembly Hose List

Coverage details

Hoses: 7 records
Full specifications: 7 records
Systems: 1 systems
Length range: 700–5,346 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. 2

8U-3409

Installation route: 铲斗油缸(后段)

Length: 1,400 mm
Specification: DN25;4SP-16;28Mpa
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. 6

8U-3423

Installation route: 铲斗油缸(后段)

Length: 3,000 mm
Specification: DN25;4SP-16;28Mpa
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. 3

8U-0663

Installation route: 铲斗油缸~分流阀(小臂)

Length: 1,090 mm
Specification: DN19;4SP-12;35Mpa
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. 20

8U-3431

Installation route: 小臂油缸(分节油缸规格)

Length: 5,346 mm
Specification: DN25;4SP-16;28Mpa
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. 10

8U-1071

Installation route: 大臂油缸左1/左2/左3/左4

Length: 700 mm
Specification: DN19;4SP-12;35Mpa
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. 21

8U-3432

Installation route: 铲斗油缸(后段)(分节油缸规格)

Length: 3,695 mm
Specification: DN25;4SP-16;28Mpa
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. 5

8U-3422

Installation route: 小臂油缸

Length: 5,000 mm
Specification: DN25;4SP-16;28Mpa
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. 4

8U-0361

Installation route: 大臂~分配阀A5口

Length: 520 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. 1

8U-3356

Installation route: 铲斗油缸(规格1)

Length: 1,191 mm
Specification: DN25;4SP-16;28Mpa
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. 3

8U-0360

Installation route: 大臂~分配阀B5口

Length: 750 mm
Specification: DN19;4SP-12;35Mpa
Left fitting: Heavy-series flangeOriginal Chinese: 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®224B Boom Assembly?

There are 7 published records. 7 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Caterpillar CAT®224B Boom Assembly?

Based on published records with valid lengths, the range is 700–5,346 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®224B Boom Assembly?

The most frequent raw specifications in the current published records are: DN25;4SP-16;28Mpa (5 records), DN19;4SP-12;35Mpa (2 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Caterpillar CAT®224B Boom Assembly?

Each record keeps the left and right fitting descriptions separate. Current examples: 8U-3409: left Heavy-series flange; right Heavy-series flange; 8U-3423: left Heavy-series flange; right Heavy-series flange; 8U-0663: 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®224B Boom Assembly hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 2 (8U-3409), Pipe No. 6 (8U-3423), Pipe No. 3 (8U-0663), Pipe No. 20 (8U-3431). Open a record to compare its installation position with the linked manual page.