Hydraulic line repair data

Caterpillar CAT®225D Hydraulic Pump Hose List

Coverage details

Hoses: 4 records
Full specifications: 4 records
Systems: 1 systems
Length range: 794–1,450 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. 8

6W-4640

Installation route: 液压泵~液压油过滤器

Length: 794 mm
Specification: DN19;1SN-12;8.7Mpa
Left fitting: 美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 5

5S-9368

Installation route: 先导泵~法兰板(液压油箱左)

Length: 1,335 mm
Specification: DN25;4SP-16;28Mpa
Left fitting: Light-series flangeOriginal Chinese: 法兰-轻型
Right fitting: Light-series flangeOriginal Chinese: 法兰-轻型

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Diagram Pipe No. 14

6W-6303

Installation route: 先导泵~液压油箱

Length: 1,450 mm
Specification: DN25;4SP-16;28Mpa
Left fitting: Light-series flangeOriginal Chinese: 法兰-轻型
Right fitting: Light-series flangeOriginal Chinese: 法兰-轻型

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Diagram Pipe No. 5

5S-9348

Installation route: 先导泵~法兰板(液压油箱左)

Length: 1,385 mm
Specification: DN25;4SP-16;28Mpa
Left fitting: Light-series flangeOriginal Chinese: 法兰-轻型
Right fitting: Light-series flangeOriginal Chinese: 法兰-轻型

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Diagram Pipe No. 27

6W-4642

Installation route: 液压泵~组合阀(液压油箱左下)

Length: 1,400 mm
Specification: DN32;4SP-20;35Mpa
Left fitting: 45° heavy-series flangeOriginal Chinese: 45°法兰-重型
Right fitting: 45° heavy-series flangeOriginal Chinese: 45°法兰-重型

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Diagram Pipe No. 28

6W-4643

Installation route: 液压泵~组合阀(液压油箱左下)

Length: 1,022 mm
Specification: DN32;4SP-20;35Mpa
Left fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型
Right fitting: 60°法兰-重型

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Diagram Pipe No. 5

6W-6300

Installation route: 先导泵~液压油箱

Length: 1,460 mm
Specification: DN38;2层纤维+螺旋钢丝-24;1Mpa
Left fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型
Right fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型

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Diagram Pipe No. 3

6W-4641

Installation route: 液压泵~液压油箱

Length: 1,470 mm
Specification: DN32;4SP-20;24.1Mpa
Left fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型
Right fitting: 67°法兰-轻型

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Diagram Pipe No. 4

6W-6302

Installation route: 先导泵~液压油箱

Length: 1,400 mm
Specification: DN32;2层纤维+螺旋钢丝-20;1.4Mpa
Left fitting: 67°法兰-轻型
Right fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型

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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®225D 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®225D Hydraulic Pump?

Based on published records with valid lengths, the range is 794–1,450 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®225D Hydraulic Pump?

The most frequent raw specifications in the current published records are: DN25;4SP-16;28Mpa (3 records), DN19;1SN-12;8.7Mpa (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®225D Hydraulic Pump?

Each record keeps the left and right fitting descriptions separate. Current examples: 6W-4640: left 美制内螺纹37°锥; right 美制内螺纹37°锥; 5S-9368: left Light-series flange; right Light-series flange; 6W-6303: left Light-series flange; right Light-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®225D Hydraulic Pump hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 8 (6W-4640), Pipe No. 5 (5S-9368), Pipe No. 14 (6W-6303), Pipe No. 5 (5S-9348). Open a record to compare its installation position with the linked manual page.