Hydraulic line repair data

Caterpillar CAT®212B Boom Assembly Hose List

Coverage details

Hoses: 3 records
Full specifications: 3 records
Systems: 1 systems
Length range: 960–1,201 mm

Current system

Find a hose in this system

Use 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

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. 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

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-5084

Installation route: 铲斗油缸(前段)(特长臂)

Length: 1,796 mm
Specification: DN19;4SP-12;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. 6

8U-6186

Installation route: 分节油缸

Length: 803 mm
Specification: DN16;2SN-10;25Mpa
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

View full repair specifications

Diagram Pipe No. 25

8U-6203

Installation route: 小臂油缸(分节油缸规格)

Length: 1,400 mm
Specification: DN19;4SP-12;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. 14

5W-9862

Installation route: Arm cylinder — leftOriginal Chinese: 小臂油缸左

Length: 2,300 mm
Specification: DN19;4SP-12;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. 2

8U-4934

Installation route: 铲斗油缸(后段)(加长臂)

Length: 1,150 mm
Specification: DN19;4SP-12;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. 11

8U-4920

Installation route: Arm cylinder — rightOriginal Chinese: 小臂油缸右

Length: 1,000 mm
Specification: DN19;4SP-12;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. 1

8U-4938

Installation route: 铲斗油缸(前段)(加长臂)

Length: 648 mm
Specification: DN19;4SP-12;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. 4

8U-6183

Installation route: 分节油缸

Length: 818 mm
Specification: DN19;4SP-12;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. 24

8U-9233

Installation route: 小臂油缸(分节油缸规格2)

Length: 2,710 mm
Specification: DN19;4SP-12;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. 1

8U-4934

Installation route: 铲斗油缸(规格1)

Length: 1,150 mm
Specification: DN19;4SP-12;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

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®212B Boom Assembly?

There are 3 published records. 3 include a length, both end fittings, and a part number or diagram pipe number.

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

Based on published records with valid lengths, the range is 960–1,201 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 Boom Assembly?

The most frequent raw specifications in the current published records are: DN10;2SN-6;33Mpa (2 records), DN19;4SP-12;35Mpa (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®212B Boom Assembly?

Each record keeps the left and right fitting descriptions separate. Current examples: 8U-7521: left American female thread, flat-face seal; right American female thread, flat-face seal; 8U-6190: left American female thread, flat-face seal; right American female thread, flat-face seal; 8U-6204: 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®212B Boom Assembly hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 11 (8U-7521), Pipe No. 11 (8U-6190), Pipe No. 1 (8U-6204). Open a record to compare its installation position with the linked manual page.