Individual hose record

137-6451 Hose Repair Specifications

Excavator · Caterpillar · CAT®312-A · Attachments – Lock Valve

Finished length2,100 mm

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Installation diagram — Pipe No. 4

Locate Pipe No. 4 in the diagram, then confirm part number 137-6451 before removing the hose.

Caterpillar CAT®312-A installation diagram showing hydraulic hose 137-6451 at Pipe No. 4 — **Caterpillar CAT®312-A**Part 137-6451 · Pipe No. 4Open full-size diagram

Repair specifications

Part number: 137-6451
Diagram pipe number: 4
Installation route: 小臂油缸锁止阀~分配阀上
Hose specification: DN10;1SN-6;15.7Mpa
Finished length: 2,100 mm
Working pressure: 15.7 MPa
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
Quantity: 1

Same system

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

Length: 620 mm
Specification: DN10;1SN-6;15.7Mpa
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

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Installation route: 小臂油缸锁止阀~分配阀前

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Specification: DN19;1SN-12;8.7Mpa
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. 8

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Installation route: 右大臂油缸锁止阀~过渡接头(大臂油缸锁止阀)

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Specification: DN10;1SN-6;15.7Mpa
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. 4

7T-6625

Installation route: 过渡接头(大臂油缸锁止阀)~分配阀下

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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. 33

123-2636

Installation route: 过渡接头(大臂油缸锁止阀)~过渡阀块(大臂油缸锁止阀)

Length: 760 mm
Specification: DN16;6SH-10;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

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Diagram Pipe No. 1

124-0868

Installation route: 大臂油缸锁止阀~过渡接头(回转接头前)

Length: 722 mm
Specification: DN16;1SN-10;10.5Mpa
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

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Diagram Pipe No. 3

137-4680

Installation route: 小臂油缸锁止阀

Length: 3,200 mm
Specification: DN19;1SN-12;8.7Mpa
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. 10

141-6247

Installation route: 左大臂油缸锁止阀~过渡接头(大臂油缸锁止阀)

Length: 910 mm
Specification: DN10;1SN-6;15.7Mpa
Left fitting: 美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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For reference only. Confirm the actual hose before fabrication.