Individual hose record

277-1251 Hose Repair Specifications

Excavator · Caterpillar · CAT®312E · Attachments – Quick Coupler

Finished length1,400 mm

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Installation diagram — Pipe No. 2

Locate Pipe No. 2 in the diagram, then confirm part number 277-1251 before removing the hose.

Part number: 277-1251
Diagram pipe number: 2
Installation route: 大臂(快换)~小臂(快换)
Hose specification: DN13;6SH-8;42Mpa
Finished length: 1,400 mm
Working pressure: 42 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: 2

Same system

Diagram Pipe No. 20

Installation route: 大臂(快换)~电磁阀(液压泵上)

Length: 2,160 mm
Specification: DN10;6SH-6;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

Diagram Pipe No. 10

Installation route: 分配阀前右~铁管(大臂)

Length: 860 mm
Specification: DN19;6SH-12;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

Diagram Pipe No. 4

Installation route: 大臂(快换)~小臂(快换)

Length: 1,800 mm
Specification: DN13;6SH-8;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

Diagram Pipe No. 16

Installation route: 大臂(快换)~电磁阀(液压泵上)

Length: 2,320 mm
Specification: DN6;2SN-4;40Mpa
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

Diagram Pipe No. 19

Installation route: 大臂(快换)~电磁阀(液压泵上)

Length: 2,140 mm
Specification: DN10;6SH-6;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

For reference only. Confirm the actual hose before fabrication.