Individual hose record

4278855 Hose Repair Specifications

Excavator · Hitachi · EX700 · Boom Assembly

Finished length2,550 mm

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Installation diagram — Pipe No. 0

Locate Pipe No. 0 in the diagram, then confirm part number 4278855 before removing the hose.

Hitachi EX700 installation diagram showing hydraulic hose 4278855 at Pipe No. 0 — Hitachi EX700Part 4278855 · Pipe No. 0Open full-size diagram

Repair specifications

Part number: 4278855
Diagram pipe number: 0
Installation route: 大臂左1/2/3/4/7/8/9/10
Hose specification: DN32;6SP-20;31MPa
Finished length: 2,550 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: 8

Same system

Related Hoses

Diagram Pipe No. 10

4250823

Installation route: 大臂(前段)~小臂

Length: 2,500 mm
Specification: DN32;6SP-20;31MPa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: Heavy-series flangeOriginal Chinese: 法兰-重型

View full repair specifications

Diagram Pipe No. 1

4278854

Installation route: 大臂左5/左6

Length: 2,550 mm
Specification: DN25;4SP-16;31MPa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: Heavy-series flangeOriginal Chinese: 法兰-重型

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Diagram Pipe No. 38

4219322

Installation route: 小臂油缸

Length: 1,400 mm
Specification: DN38;6SP-24;31MPa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: Heavy-series flangeOriginal Chinese: 法兰-重型

View full repair specifications

Diagram Pipe No. 10

4250823

Installation route: 大臂(前段)~小臂

Length: 2,500 mm
Specification: DN32;6SP-20;31MPa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: Heavy-series flangeOriginal Chinese: 法兰-重型

View full repair specifications