Individual hose record

137-4678 Hose Repair Specifications

Excavator · Caterpillar · CAT®317B LN · Attachments – Lock Valve

Finished length3,600 mm

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Installation diagram — Pipe No. 13

Locate Pipe No. 13 in the diagram, then confirm part number 137-4678 before removing the hose.

Caterpillar CAT®317B LN installation diagram showing hydraulic hose 137-4678 at Pipe No. 13 — **Caterpillar CAT®317B LN**Part 137-4678 · Pipe No. 13Open full-size diagram

Repair specifications

Part number: 137-4678
Diagram pipe number: 13
Installation route: 过渡接头(大臂油缸锁止阀)
Hose specification: DN10;1SN-6;15.7Mpa
Finished length: 3,600 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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Diagram Pipe No. 10

138-3408

Installation route: 过渡接头(大臂油缸锁止阀)

Length: 2,500 mm
Specification: DN10;1SN-6;15.7Mpa
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. 6

207-2627

Installation route: 小臂油缸锁止阀

Length: 2,180 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. 1

160-4094

Installation route: 小臂油缸锁止阀

Length: 3,350 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. 2

137-6451

Installation route: 大臂(锁止阀)~分配阀上

Length: 2,100 mm
Specification: DN10;1SN-6;15.7Mpa
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. 9

137-4678

Installation route: 大臂(锁止阀)~电磁阀(液压泵)

Length: 3,600 mm
Specification: DN10;1SN-6;15.7Mpa
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. 7

207-2626

Installation route: 小臂油缸锁止阀

Length: 1,795 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. 15

207-2627

Installation route: 大臂快换(前段)~

Length: 2,180 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. 2

128-3129

Installation route: 小臂油缸锁止阀

Length: 3,400 mm
Specification: DN10;1SN-6;15.7Mpa
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

View full repair specifications

For reference only. Confirm the actual hose before fabrication.