Individual hose record

4311057 Hose Repair Specifications

Excavator · Hitachi · EX400LC-3 · Boom Assembly

Finished length1,000 mm

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Installation diagram — Pipe No. 30

Locate Pipe No. 30 in the diagram, then confirm part number 4311057 before removing the hose.

Hitachi EX400LC-3 installation diagram showing hydraulic hose 4311057 at Pipe No. 30 — Hitachi EX400LC-3Part 4311057 · Pipe No. 30Open full-size diagram

Repair specifications

Part number: 4311057
Diagram pipe number: 30
Installation route: 小臂油缸
Hose specification: DN32;6SP-20;31MPa
Finished length: 1,000 mm
Working pressure: 31 MPa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Quantity: 2

Same system

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Diagram Pipe No. 8

4345675

Installation route: 铲斗油缸左

Length: 900 mm
Specification: DN25;4SH-16;38.8MPa
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. 16

4316272

Installation route: 大臂左3

Length: 1,720 mm
Specification: DN25;4SH-16;34.5Mpa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型

View full repair specifications