Hydraulic line repair data

Caterpillar CAT®212B Hose Repair Data

Coverage details

Hoses: 39 records
Full specifications: 39 records
Systems: 6 systems
Length range: 457–5,997 mm

Narrow the selection

Attachments – BreakerAttachmentsSwivel JointBoom AssemblyAttachments – Lock Valve

Current machine

Find a hose on this machine

Use a system name, the number on the diagram, a part number, connection point, length, hose size, or fitting.

Pipe number, part number, route, length, or fittingSearch another machine

Hose repair details

Hose Length and Fitting List

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

Diagram Pipe No. 10

8U-3100

Installation route: 回转接头~前传动轴

Length: 1,295 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

View full repair specifications

Diagram Pipe No. 1

8U-6223

Installation route: 大臂(破碎器)~过渡阀块(小臂)

Length: 1,895 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

View full repair specifications

Diagram Pipe No. 1

8U-6490

Installation route: 大臂(破碎器)~破碎器

Length: 4,247 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

View full repair specifications

Diagram Pipe No. 17

8U-5837

Installation route: 回转接头~手动阀(连接回转接头)

Length: 2,200 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

View full repair specifications

Diagram Pipe No. 10

8U-9186

Installation route: 大臂(破碎器)~破碎器

Length: 2,350 mm
Specification: DN32;2SN-20;12.5Mpa
Left fitting: Light-series flangeOriginal Chinese: 法兰-轻型
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

View full repair specifications

Diagram Pipe No. 1

8U-4336

Installation route: 大臂(破碎器)~过渡阀块(小臂)

Length: 1,700 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

View full repair specifications

Diagram Pipe No. 2

8U-6404

Installation route: 小臂油缸锁止阀~分配阀前左上

Length: 5,997 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

View full repair specifications

Diagram Pipe No. 34

8U-7090

Installation route: 过渡阀块~油缸总成

Length: 1,397 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

View full repair specifications

Diagram Pipe No. 5

8U-6492

Installation route: 大臂(破碎器)~破碎器

Length: 2,350 mm
Specification: DN19;4SP-12;35Mpa
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

View full repair specifications

Diagram Pipe No. 1

8U-1882

Installation route: 大臂(破碎器)~过渡阀块(小臂)

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

View full repair specifications

Diagram Pipe No. 18

8U-6521

Installation route: 分配阀前~回油阀块

Length: 1,697 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

View full repair specifications

Diagram Pipe No. 9

8U-4534

Installation route: 回转接头~过渡接头(推土铲)

Length: 820 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

View full repair specifications

Diagram Pipe No. 3

8U-6472

Installation route: 大臂(前段)~大臂(后段)

Length: 918 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

View full repair specifications

Diagram Pipe No. 5

8U-9187

Installation route: 大臂(破碎器)~破碎器

Length: 2,350 mm
Specification: DN32;2SN-20;12.5Mpa
Left fitting: 公制内螺纹24°锥带O形圈-轻型
Right fitting: Light-series flangeOriginal Chinese: 法兰-轻型

View full repair specifications

Diagram Pipe No. 15

8U-5383

Installation route: 手动阀(大臂油缸右)~大臂铁管

Length: 985 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

View full repair specifications

Diagram Pipe No. 1

8U-4150

Installation route: 大臂铁管~过渡阀块(小臂)

Length: 1,500 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

View full repair specifications

Diagram Pipe No. 1

8U-6231

Installation route: 过渡阀块(大臂后段上)~过渡阀块(大臂前段上)

Length: 5,050 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

View full repair specifications

Diagram Pipe No. 2

5W-4940

Installation route: 小臂(附加装置)~工作装置

Length: 1,901 mm
Specification: DN13;6SH-8;42Mpa
Left fitting: 公制内螺纹24°锥带O形圈-重型
Right fitting: 公制内螺纹24°锥带O形圈-重型

View full repair specifications

Diagram Pipe No. 1

8U-6483

Installation route: 大臂破碎器管

Length: 5,443 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

View full repair specifications

Diagram Pipe No. 5

8U-6492

Installation route: 大臂(破碎器)~破碎器

Length: 2,350 mm
Specification: DN19;4SP-12;35Mpa
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

View full repair specifications

Diagram Pipe No. 11

8U-7521

Installation route: 分节油缸(后段)

Length: 1,201 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

View full repair specifications

Diagram Pipe No. 5

8U-1659

Installation route: 回转接头~后传动轴

Length: 1,705 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

View full repair specifications

Diagram Pipe No. 1

8U-1882

Installation route: 大臂(破碎器)~过渡阀块(小臂)

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

View full repair specifications

Diagram Pipe No. 1

8U-4336

Installation route: 大臂(破碎器)~过渡阀块(小臂)

Length: 1,700 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

View full repair specifications

Diagram Pipe No. 5

8U-5399

Installation route: 过渡接头(大臂油缸锁止阀)~液压油箱

Length: 1,652 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

View full repair specifications

Diagram Pipe No. 4

8U-7538

Installation route: 大臂(破碎器)~破碎器

Length: 2,349 mm
Specification: DN25;4SP-16;28Mpa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: 公制内螺纹24°锥带O形圈-重型

View full repair specifications

Diagram Pipe No. 1

8U-4501

Installation route: 回转接头~前传动轴

Length: 2,495 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

View full repair specifications

Diagram Pipe No. 11

8U-6190

Installation route: 分节油缸(后段)

Length: 1,201 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

View full repair specifications

Diagram Pipe No. 1

5W-4939

Installation route: 小臂(附加装置)~工作装置

Length: 1,900 mm
Specification: DN16;6SH-10;42Mpa
Left fitting: 公制内螺纹24°锥带O形圈-重型
Right fitting: 公制内螺纹24°锥带O形圈-重型

View full repair specifications

Diagram Pipe No. 18

8U-4506

Installation route: 回转接头~变速箱

Length: 590 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

View full repair specifications

Diagram Pipe No. 14

8U-5875

Installation route: 推土铲手柄~分配阀后左下

Length: 2,156 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

View full repair specifications

Diagram Pipe No. 3

8U-4953

Installation route: 快速断开连接阀~分流器阀

Length: 800 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

View full repair specifications

Diagram Pipe No. 1

8U-6488

Installation route: 大臂(破碎器)~破碎器

Length: 3,546 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

View full repair specifications

Diagram Pipe No. 1

8U-6204

Installation route: 大臂(前段)~大臂(后段)

Length: 960 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

View full repair specifications

Diagram Pipe No. 1

8U-5396

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: 457 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

View full repair specifications

Diagram Pipe No. 1

8U-6223

Installation route: 大臂(破碎器)~过渡阀块(小臂)

Length: 1,895 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

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®212B?

The current published data covers 6 systems and 39 hose records. Systems with more listed records include: Attachments – Breaker (17 hoses), Attachments (8 hoses), Swivel Joint (7 hoses), Boom Assembly (3 hoses), Attachments – Lock Valve (3 hoses).

What is the hose length range for Caterpillar CAT®212B?

Based on published records with valid lengths, the range is 457–5,997 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®212B?

The most frequent raw specifications in the current published records are: DN19;4SP-12;35Mpa (14 records), DN10;2SN-6;33Mpa (6 records), DN6;2SN-4;40Mpa (4 records), DN8;-5;17.5Mpa (4 records), DN13;6SH-8;42Mpa (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®212B?

Each record keeps the left and right fitting descriptions separate. Current examples: 8U-3100: left American female thread, flat-face seal; right American female thread, flat-face seal; 8U-6223: left Heavy-series flange; right Heavy-series flange; 8U-6490: 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®212B hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 10 (8U-3100), Pipe No. 1 (8U-6223), Pipe No. 1 (8U-6490), Pipe No. 17 (8U-5837). 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.

ChatGPT Perplexity Claude Google AI Mode

See the exact question being sent

I am checking hydraulic hose repair information for "Caterpillar CAT®212B 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-174-212b--43415426233137343b32313242/

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.

Choose a system

Find a hose on this machine

Hose Length and Fitting List

Common Repair Questions

Ask an AI search tool to check this repair data