Hydraulic line repair data

Caterpillar CAT®245 Attachments – Lock Valve Hose List

Coverage details

Hoses: 4 records
Full specifications: 4 records
Systems: 1 systems
Length range: 900–2,210 mm

Current system

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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. 21

8V-8124

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: 900 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. 20

8V-8129

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: 1,100 mm
Specification: DN13;1SN-8;14Mpa
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. 8

8V-8128

Installation route: 大臂油缸锁止阀~接线板(大臂下)

Length: 1,290 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. 13

8V-8233

Installation route: 过渡阀块(分配阀前下)~过渡阀块(大臂下)

Length: 2,210 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. 6

9V-9277

Installation route: 分配阀~过渡阀块(分配阀右)

Length: 886 mm
Specification: DN51;4SP-32;17.5Mpa
Left fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型
Right fitting: Light-series flangeOriginal Chinese: 法兰-轻型

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Diagram Pipe No. 32

8V-8237

Installation route: 过渡阀块(分配阀前左)~接线板(大臂下)

Length: 2,200 mm
Specification: DN10;1SN-6;15.7Mpa
Left fitting: 45°美制内螺纹37°锥
Right fitting: 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®245 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®245 Attachments – Lock Valve?

Based on published records with valid lengths, the range is 900–2,210 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®245 Attachments – Lock Valve?

The most frequent raw specifications in the current published records are: DN10;2SN-6;33Mpa (3 records), DN13;1SN-8;14Mpa (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®245 Attachments – Lock Valve?

Each record keeps the left and right fitting descriptions separate. Current examples: 8V-8124: left 美制内螺纹37°锥; right 美制内螺纹37°锥; 8V-8129: left 美制内螺纹37°锥; right 美制内螺纹37°锥; 8V-8128: 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®245 Attachments – Lock Valve hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 21 (8V-8124), Pipe No. 20 (8V-8129), Pipe No. 8 (8V-8128), Pipe No. 13 (8V-8233). Open a record to compare its installation position with the linked manual page.