Hydraulic line repair data

Caterpillar CAT®224B Hydraulic Pump Hose List

Coverage details

Hoses: 4 records
Full specifications: 4 records
Systems: 1 systems
Length range: 402–1,386 mm

Current system

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 18

8U-0348

Installation route: 液压泵后~液压油过滤器

Length: 847 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. 15

8U-2993

Installation route: 液压泵~(连接液压泵)

Length: 541 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. 9

8U-3052

Installation route: 液压泵前~液压油箱

Length: 402 mm
Specification: DN19;2SN-12;21.5Mpa
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. 4

8U-0109

Installation route: 转向泵~过渡接头(连接制动泵)

Length: 1,386 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. 35

8U-1058

Installation route: 液压泵后~电磁阀

Length: 908 mm
Specification: DN13;2SN-8;27.5Mpa
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-0293

Installation route: 转向泵~液压油箱

Length: 539 mm
Specification: DN19;2SN-12;21.5Mpa
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. 15

8U-3042

Installation route: 制动泵~液压油箱

Length: 1,743 mm
Specification: DN16;2SN-10;25Mpa
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. 10

8U-2992

Installation route: 液压泵~(连接液压泵)

Length: 738 mm
Specification: DN16;2SN-10;25Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 45°美制内螺纹平面密封

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Diagram Pipe No. 25

8U-1060

Installation route: 液压泵前~过渡阀块(连接液压油箱)

Length: 1,017 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. 11

8U-3053

Installation route: 液压泵前~分配阀左

Length: 1,094 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. 27

8U-3051

Installation route: 液压泵前~液压泵左

Length: 799 mm
Specification: DN13;2SN-8;27.5Mpa
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®224B Hydraulic Pump?

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®224B Hydraulic Pump?

Based on published records with valid lengths, the range is 402–1,386 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 Hydraulic Pump?

The most frequent raw specifications in the current published records are: DN10;2SN-6;33Mpa (2 records), DN19;2SN-12;21.5Mpa (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®224B Hydraulic Pump?

Each record keeps the left and right fitting descriptions separate. Current examples: 8U-0348: left American female thread, flat-face seal; right American female thread, flat-face seal; 8U-2993: left American female thread, flat-face seal; right American female thread, flat-face seal; 8U-3052: 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®224B Hydraulic Pump hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 18 (8U-0348), Pipe No. 15 (8U-2993), Pipe No. 9 (8U-3052), Pipe No. 4 (8U-0109). Open a record to compare its installation position with the linked manual page.