Hydraulic line repair data

Caterpillar CAT®213B Hose Repair Data

Coverage details

Hoses: 35 records
Full specifications: 35 records
Systems: 11 systems
Length range: 316–10,396 mm

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AttachmentsBoom AssemblyControl LeverAttachments – Lock ValveControl ValveAttachments – Breaker

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Hose repair details

Hose Length and Fitting List

Showing 36 representative records. Return to the finder for a more specific search.

Diagram Pipe No. 2

8W-3109

Installation route: 发动机~燃油喷油泵

Length: 980 mm
Specification: DN8;-5;10.3Mpa
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. 14

8U-1332

Installation route: 分配阀前~过渡阀块(大臂座销下)

Length: 580 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-0663

Installation route: 铲斗油缸锁止阀~过渡阀块(油缸锁止阀)

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. 10

8U-2653

Installation route: 过渡阀块(大臂座销下)~

Length: 10,396 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 22

8U-0347

Installation route: 液压油箱~进回油阀

Length: 896 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. 6

8U-0350

Installation route: 过渡接头(回转接头左)~过渡接头(分配阀左前)

Length: 495 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. 1

8U-0682

Installation route: 大臂铁管~小臂阀块

Length: 1,350 mm
Specification: DN13;6SH-8;42Mpa
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. 2

8U-1882

Installation route: 大臂~过渡阀块(小臂侧)

Length: 1,400 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. 8

8U-2679

Installation route: 铲斗倾斜油缸管路

Length: 708 mm
Specification: DN10;6SH-6;42Mpa
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. 1

8U-1887

Installation route: 大臂铁管~快速断开连接器(小臂)

Length: 2,200 mm
Specification: DN13;6SH-8;42Mpa
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. 1

8U-5741

Installation route: 小臂油缸锁止阀~接头总成(驾驶室)

Length: 316 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. 5

8U-0895

Installation route: 小臂支撑块~阀块(小臂)

Length: 1,196 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. 7

8U-7321

Installation route: 大臂油缸锁止阀~过渡阀块(大臂油缸锁止阀)

Length: 2,015 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. 1

8U-0682

Installation route: 大臂铁管~快速断开连接器(小臂)

Length: 1,350 mm
Specification: DN13;6SH-8;42Mpa
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. 19

8U-0348

Installation route: 液压泵~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. 2

8U-2658

Installation route: 小臂油缸(分节油缸规格4)

Length: 6,296 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. 5

8U-0346

Installation route: 右手柄~中转接头

Length: 1,506 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. 10

8U-1059

Installation route: 分配阀左~电磁阀

Length: 1,655 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: 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-0325

Installation route: 过渡阀块(连接分配阀后)~

Length: 645 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. 2

8U-1885

Installation route: 快速断开连接器(小臂)~小臂阀块

Length: 2,400 mm
Specification: DN13;6SH-8;42Mpa
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-2130

Installation route: 大臂(破碎器)~破碎器

Length: 2,350 mm
Specification: DN25;4SP-16;28Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
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. 3

8U-0899

Installation route: 大臂铁管~阀块(小臂)

Length: 1,091 mm
Specification: DN32;2SN-20;12.5Mpa
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. 6

8U-0348

Installation route: 右手柄~进回油阀

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. 20

8U-0493

Installation route: 小臂油缸(分节油缸规格1)

Length: 4,350 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. 11

8U-1354

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: 461 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 8

8U-4700

Installation route: 行走踏板~分配阀前

Length: 2,306 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. 9

8U-0325

Installation route: 中转接头~分配阀上

Length: 645 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. 11

8U-1889

Installation route: 进回油阀~过渡阀块(驾驶室)

Length: 396 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. 6

8U-0348

Installation route: 左手柄~进回油阀

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. 2

8U-2664

Installation route: 小臂油缸(分节油缸规格3)

Length: 6,146 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. 8

8U-1071

Installation route: 大臂油缸

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. 5

8U-0211

Installation route: 左手柄~中转接头

Length: 2,000 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. 5

8U-0504

Installation route: 小臂油缸

Length: 4,500 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. 8

8U-2131

Installation route: 大臂(破碎器)~破碎器

Length: 2,347 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 11

8U-1342

Installation route: 过渡阀块(大臂座销下)~

Length: 867 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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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®213B?

The current published data covers 11 systems and 35 hose records. Systems with more listed records include: Attachments (11 hoses), Boom Assembly (6 hoses), Control Lever (5 hoses), Attachments – Lock Valve (4 hoses), Control Valve (2 hoses), Attachments – Breaker (2 hoses).

What is the hose length range for Caterpillar CAT®213B?

Based on published records with valid lengths, the range is 316–10,396 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®213B?

The most frequent raw specifications in the current published records are: DN8;-5;17.5Mpa (14 records), DN19;4SP-12;35Mpa (6 records), DN13;6SH-8;42Mpa (4 records), DN25;4SP-16;28Mpa (3 records), DN6;2SN-4;40Mpa (3 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Caterpillar CAT®213B?

Each record keeps the left and right fitting descriptions separate. Current examples: 8W-3109: left American female thread, flat-face seal; right American female thread, flat-face seal; 8U-1332: 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®213B hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 2 (8W-3109), Pipe No. 14 (8U-1332), Pipe No. 4 (8U-0663), Pipe No. 10 (8U-2653). Open a record to compare its installation position with the linked manual page.

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I am checking hydraulic hose repair information for "Caterpillar CAT®213B 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-174-213b--43415426233137343b32313342/

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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Hose Length and Fitting List

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