Hydraulic line repair data

Caterpillar CAT®212 Attachments – Lock Valve Hose List

Coverage details

Hoses: 4 records
Full specifications: 4 records
Systems: 1 systems
Length range: 2,495–5,408 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.

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 14

5W-7857

Installation route: 小臂油缸锁止阀(后段)

Length: 5,408 mm
Specification: DN13;2SN-8;27.5Mpa
Left fitting: 公制内螺纹24°锥带O形圈-轻型
Right fitting: 公制内螺纹24°锥带O形圈-轻型

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Diagram Pipe No. 7

8U-4395

Installation route: 小臂油缸锁止阀(后段)

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

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Diagram Pipe No. 43

5W-8008

Installation route: 小臂油缸锁止阀

Length: 5,190 mm
Specification: DN13;2SN-8;27.5Mpa
Left fitting: 公制内螺纹24°锥带O形圈-轻型
Right fitting: 公制内螺纹24°锥带O形圈-轻型

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Diagram Pipe No. 6

8U-4335

Installation route: 小臂油缸锁止阀(后段)

Length: 3,195 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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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®212 Attachments – Lock Valve?

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®212 Attachments – Lock Valve?

Based on published records with valid lengths, the range is 2,495–5,408 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®212 Attachments – Lock Valve?

The most frequent raw specifications in the current published records are: DN13;2SN-8;27.5Mpa (2 records), DN10;2SN-6;33Mpa (1 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®212 Attachments – Lock Valve?

Each record keeps the left and right fitting descriptions separate. Current examples: 5W-7857: left 公制内螺纹24°锥带O形圈-轻型; right 公制内螺纹24°锥带O形圈-轻型; 8U-4395: left American female thread, flat-face seal; right American female thread, flat-face seal; 5W-8008: left 公制内螺纹24°锥带O形圈-轻型; right 公制内螺纹24°锥带O形圈-轻型. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Caterpillar CAT®212 Attachments – Lock Valve hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 14 (5W-7857), Pipe No. 7 (8U-4395), Pipe No. 43 (5W-8008), Pipe No. 6 (8U-4335). Open a record to compare its installation position with the linked manual page.