Hydraulic line repair data

Caterpillar CAT®225 Hose Repair Data

Coverage details
Hoses
13 records
Full specifications
13 records
Systems
8 systems
Length range
279–1,700 mm

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 35

2V-0664

Installation route: 液压油箱过滤器~液压油箱

Length
465 mm
Specification
DN25;1SN-16;7Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 4

8K-0800

Installation route: 铲斗油缸~先导阀

Length
894 mm
Specification
DN13;1SN-8;14Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 12

8K-4174

Installation route: 燃油泵~燃油箱

Length
279 mm
Specification
DN6;1SN-4;19.2Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 7

8K-0800

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length
894 mm
Specification
DN13;1SN-8;14Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 28

8K-3219

Installation route: 分配阀~分配阀

Length
1,310 mm
Specification
DN25;4SP-16;35Mpa
Left fitting
Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting
Heavy-series flangeOriginal Chinese: 法兰-重型
View full repair specifications

Diagram Pipe No. 2

8K-1691

Installation route: 液压泵(左)~液压泵(右)

Length
774 mm
Specification
DN6;-4;19.2Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 20

8K-3504

Installation route: Left boom-cylinder lock valve → right boom-cylinder lock valveOriginal Chinese: 左大臂油缸锁止阀~右大臂油缸锁止阀

Length
1,455 mm
Specification
DN10;4SP-6;28Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 37

2V-0665

Installation route: 液压油箱过滤器~液压油箱

Length
400 mm
Specification
DN25;1SN-16;7Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 27

8K-3220

Installation route: 分配阀~分配阀

Length
1,330 mm
Specification
DN32;4SP-20;35Mpa
Left fitting
Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting
Heavy-series flangeOriginal Chinese: 法兰-重型
View full repair specifications

Diagram Pipe No. 1

8K-3077

Installation route: Bucket cylinderOriginal Chinese: 铲斗油缸

Length
1,475 mm
Specification
DN25;4SP-16;35Mpa
Left fitting
Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting
Heavy-series flangeOriginal Chinese: 法兰-重型
View full repair specifications

Diagram Pipe No. 18

8K-4809

Installation route: 行走马达~壳体排放过滤器

Length
1,375 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
View full repair specifications

Diagram Pipe No. 10

8K-0973

Installation route: 液压泵~液压泵

Length
362 mm
Specification
DN13;1SN-8;14Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 9

8K-3202

Installation route: 分配阀~过渡阀块

Length
1,575 mm
Specification
DN32;4SP-20;35Mpa
Left fitting
Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting
90° heavy-series flangeOriginal Chinese: 90°法兰-重型
View full repair specifications

Diagram Pipe No. 8

8K-4003

Installation route: 行走马达~壳体排放过滤器

Length
901 mm
Specification
DN25;4SP-16;35Mpa
Left fitting
90° heavy-series flangeOriginal Chinese: 90°法兰-重型
Right fitting
Heavy-series flangeOriginal Chinese: 法兰-重型
View full repair specifications

Diagram Pipe No. 20

2V-0592

Installation route: 液压泵~液压油箱

Length
940 mm
Specification
DN64;2层纤维+螺旋钢丝-40;0.4Mpa
Left fitting
60°法兰-轻型
Right fitting
Light-series flangeOriginal Chinese: 法兰-轻型
View full repair specifications

Diagram Pipe No. 3

8K-3218

Installation route: 液压油箱过滤器~过渡接头

Length
518 mm
Specification
DN32;4SP-20;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
View full repair specifications

Diagram Pipe No. 7

2V-0598

Installation route: 液压泵~分配阀

Length
2,248 mm
Specification
DN32;4SP-20;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
View full repair specifications

Diagram Pipe No. 29

8K-3205

Installation route: 分配阀~减压阀

Length
1,065 mm
Specification
DN32;4SP-20;35Mpa
Left fitting
45° heavy-series flangeOriginal Chinese: 45°法兰-重型
Right fitting
90° heavy-series flangeOriginal Chinese: 90°法兰-重型
View full repair specifications

Diagram Pipe No. 3

8K-0768

Installation route: 液压油箱过滤器~

Length
864 mm
Specification
DN51;1SN-32;2.6Mpa
Left fitting
Light-series flangeOriginal Chinese: 法兰-轻型
Right fitting
90° light-series flangeOriginal Chinese: 90°法兰-轻型
View full repair specifications

Diagram Pipe No. 9

2V-1922

Installation route: 分配阀~回转马达

Length
524 mm
Specification
DN25;4SP-16;35Mpa
Left fitting
45° heavy-series flangeOriginal Chinese: 45°法兰-重型
Right fitting
90° heavy-series flangeOriginal Chinese: 90°法兰-重型
View full repair specifications

Diagram Pipe No. 26

8K-1759

Installation route: 大臂油缸锁止阀~过渡接头(驾驶室)

Length
350 mm
Specification
DN10;4SP-6;28Mpa
Left fitting
45°美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 13

8K-4291

Installation route: 分配阀~过渡接头(分配阀前)

Length
915 mm
Specification
DN32;4SP-20;35Mpa
Left fitting
90° heavy-series flangeOriginal Chinese: 90°法兰-重型
Right fitting
45° heavy-series flangeOriginal Chinese: 45°法兰-重型
View full repair specifications

Diagram Pipe No. 7

8K-0767

Installation route: 分配阀~过渡接头

Length
530 mm
Specification
DN38;1SN-24;3.5Mpa
Left fitting
Light-series flangeOriginal Chinese: 法兰-轻型
Right fitting
90° light-series flangeOriginal Chinese: 90°法兰-轻型
View full repair specifications

Diagram Pipe No. 29

2V-0995

Installation route: 回油铁管~过渡阀块

Length
715 mm
Specification
DN25;2层纤维+螺旋钢丝-16;1.7Mpa
Left fitting
90°美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 1

8K-3208

Installation route: 铲斗油缸(前段)

Length
650 mm
Specification
DN25;4SP-16;35Mpa
Left fitting
90° heavy-series flangeOriginal Chinese: 90°法兰-重型
Right fitting
Heavy-series flangeOriginal Chinese: 法兰-重型
View full repair specifications

Diagram Pipe No. 9

8K-3211

Installation route: 大臂油缸

Length
1,435 mm
Specification
DN25;4SP-16;35Mpa
Left fitting
90° heavy-series flangeOriginal Chinese: 90°法兰-重型
Right fitting
Heavy-series flangeOriginal Chinese: 法兰-重型
View full repair specifications

Diagram Pipe No. 5

8K-3214

Installation route: 液压泵~过渡阀块

Length
1,420 mm
Specification
DN32;4SP-20;35Mpa
Left fitting
90° heavy-series flangeOriginal Chinese: 90°法兰-重型
Right fitting
45° heavy-series flangeOriginal Chinese: 45°法兰-重型
View full repair specifications

Diagram Pipe No. 30

2V-1155

Installation route: 先导泵~液压油箱

Length
1,092 mm
Specification
DN51;2层纤维+螺旋钢丝-32;0.7Mpa
Left fitting
67°法兰-轻型
Right fitting
Light-series flangeOriginal Chinese: 法兰-轻型
View full repair specifications

Diagram Pipe No. 10

2V-1921

Installation route: 分配阀~回转马达

Length
580 mm
Specification
DN25;4SP-16;35Mpa
Left fitting
60°法兰-重型
Right fitting
90° heavy-series flangeOriginal Chinese: 90°法兰-重型
View full repair specifications

Diagram Pipe No. 6

8K-3210

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length
1,280 mm
Specification
DN25;4SP-16;35Mpa
Left fitting
45° heavy-series flangeOriginal Chinese: 45°法兰-重型
Right fitting
90° heavy-series flangeOriginal Chinese: 90°法兰-重型
View full repair specifications

Diagram Pipe No. 9

8K-3215

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length
1,590 mm
Specification
DN25;4SP-16;35Mpa
Left fitting
90° heavy-series flangeOriginal Chinese: 90°法兰-重型
Right fitting
45° heavy-series flangeOriginal Chinese: 45°法兰-重型
View full repair specifications

Diagram Pipe No. 13

8K-3217

Installation route: 液压泵~过渡阀块

Length
1,245 mm
Specification
DN32;4SP-20;35Mpa
Left fitting
45° heavy-series flangeOriginal Chinese: 45°法兰-重型
Right fitting
90° heavy-series flangeOriginal Chinese: 90°法兰-重型
View full repair specifications

Diagram Pipe No. 20

8K-3206

Installation route: 液压泵~分配阀

Length
960 mm
Specification
DN32;4SP-20;35Mpa
Left fitting
45° heavy-series flangeOriginal Chinese: 45°法兰-重型
Right fitting
90° heavy-series flangeOriginal Chinese: 90°法兰-重型
View full repair specifications

Diagram Pipe No. 16

8K-3204

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length
1,280 mm
Specification
DN25;4SP-16;35Mpa
Left fitting
90° heavy-series flangeOriginal Chinese: 90°法兰-重型
Right fitting
45° heavy-series flangeOriginal Chinese: 45°法兰-重型
View full repair specifications

Based on current published data

Common Repair Questions

Questions appear only when a published record or linked PDF page provides the answer.

Which systems and hoses are currently listed for Caterpillar CAT®225?

The current published data covers 8 systems and 13 hose records. Systems with more listed records include: Hydraulic Tank (3 hoses), Control Valve (2 hoses), Hydraulic Pump (2 hoses), Attachments (2 hoses).

What is the hose length range for Caterpillar CAT®225?

Based on published records with valid lengths, the range is 279–1,700 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®225?

The most frequent raw specifications in the current published records are: DN13;1SN-8;14Mpa (3 records), DN19;1SN-12;8.7Mpa (2 records), DN25;1SN-16;7Mpa (2 records), DN25;4SP-16;35Mpa (2 records), DN10;4SP-6;28Mpa (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®225?

Each record keeps the left and right fitting descriptions separate. Current examples: 2V-0664: left 美制内螺纹37°锥; right 美制内螺纹37°锥; 8K-0800: left 美制内螺纹37°锥; right 美制内螺纹37°锥; 8K-4174: left 美制内螺纹37°锥; right 美制内螺纹37°锥. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Caterpillar CAT®225 hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 35 (2V-0664), Pipe No. 4 (8K-0800), Pipe No. 12 (8K-4174), Pipe No. 7 (8K-0800). Open a record to compare its installation position with the linked manual page.

Optional cross-check

Ask an AI search tool to check this repair data

The question is already written for this machine or hose. Use a tool with web search enabled; treat its answer as a starting point and verify on the machine.

See the exact question being sent
I am checking hydraulic hose repair information for "Caterpillar CAT®225 Hose Repair Data". Use web search and cite a source for every factual point. Compare this HoseSeek page with manufacturer manuals and reliable parts documentation: https://www.hoseseek.com/machines/caterpillar/cat-174-225--43415426233137343b323235/

Verify, where applicable:
1. Exact machine model and any serial-number range.
2. Hydraulic system and installation route.
3. Hose part number and diagram pipe number.
4. Finished length, hose specification, and pressure rating.
5. Both end fittings, including thread, sealing seat, size, and angle.
6. Installation-diagram position and routing.

State explicitly what you could not verify. Do not infer a missing dimension or fitting. End with a short on-machine checklist for a hose repair technician.
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