Hydraulic line repair data

Caterpillar CAT®219 Attachments – Lock Valve Hose List

Coverage details

Hoses: 5 records
Full specifications: 5 records
Systems: 1 systems
Length range: 402–5,240 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. 1

6W-7641

Installation route: 小臂油缸锁止阀

Length: 4,680 mm
Specification: DN19;4SP-12;28Mpa
Left fitting: 美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 9

6W-7642

Installation route: 小臂油缸锁止阀

Length: 4,680 mm
Specification: DN10;4SP-6;28Mpa
Left fitting: 美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 35

7V-7377

Installation route: 大臂油缸锁止阀

Length: 402 mm
Specification: DN10;2SN-6;33Mpa
Left fitting: 美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 9

6W-7664

Installation route: 小臂油缸锁止阀

Length: 5,240 mm
Specification: DN10;4SP-6;28Mpa
Left fitting: 美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 1

6W-7665

Installation route: 小臂油缸锁止阀

Length: 5,180 mm
Specification: DN19;4SP-12;28Mpa
Left fitting: 美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 12

8V-7776

Installation route: 大臂油缸锁止阀

Length: 356 mm
Specification: DN10;1SN-6;15.7Mpa
Left fitting: 美制内螺纹37°锥
Right fitting: 45°美制内螺纹37°锥

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Diagram Pipe No. 7

6W-7644

Installation route: 过渡接头(锁止阀)~回油铁管

Length: 1,730 mm
Specification: DN10;4SP-6;28Mpa
Left fitting: 美制内螺纹37°锥
Right fitting: 90°美制内螺纹37°锥

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Diagram Pipe No. 30

8V-8098

Installation route: 大臂油缸锁止阀管路

Length: 702 mm
Specification: DN10;1SN-6;15.7Mpa
Left fitting: 美制内螺纹37°锥
Right fitting: 90°美制内螺纹37°锥

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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®219 Attachments – Lock Valve?

There are 5 published records. 5 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Caterpillar CAT®219 Attachments – Lock Valve?

Based on published records with valid lengths, the range is 402–5,240 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®219 Attachments – Lock Valve?

The most frequent raw specifications in the current published records are: DN10;4SP-6;28Mpa (2 records), DN19;4SP-12;28Mpa (2 records), DN10;2SN-6;33Mpa (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®219 Attachments – Lock Valve?

Each record keeps the left and right fitting descriptions separate. Current examples: 6W-7641: left 美制内螺纹37°锥; right 美制内螺纹37°锥; 6W-7642: left 美制内螺纹37°锥; right 美制内螺纹37°锥; 7V-7377: 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®219 Attachments – Lock Valve hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 1 (6W-7641), Pipe No. 9 (6W-7642), Pipe No. 35 (7V-7377), Pipe No. 9 (6W-7664). Open a record to compare its installation position with the linked manual page.