Individual hose record

4454670 Hose Repair Specifications

Excavator · Hitachi · EX1200-7 · Boom Assembly

Finished length2,700 mm

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Installation diagram — Pipe No. 21

Locate Pipe No. 21 in the diagram, then confirm part number 4454670 before removing the hose.

Hitachi EX1200-7 installation diagram showing hydraulic hose 4454670 at Pipe No. 21
Hitachi EX1200-7Part 4454670 · Pipe No. 21Open full-size diagram

Repair specifications

Part number
4454670
Diagram pipe number
21
Installation route
Bucket cylinderOriginal Chinese: 铲斗油缸
Hose specification
DN32;6SP-20;34.5MPa
Finished length
2,700 mm
Working pressure
34.5 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

Related Hoses

Diagram Pipe No. 27

4347824

Installation route: Bucket cylinderOriginal Chinese: 铲斗油缸

Length
2,700 mm
Specification
DN38;6SP-24;34.5MPa
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. 8

4454680

Installation route: 小臂(背部)~过渡阀块(装载斗)

Length
2,015 mm
Specification
DN32;6SP-20;34.5MPa
Left fitting
Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting
Heavy-series flangeOriginal Chinese: 法兰-重型
View full repair specifications

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I am checking hydraulic hose repair information for "4454670 Hose Repair Specifications". Use web search and cite a source for every factual point. Compare this HoseSeek page with manufacturer manuals and reliable parts documentation: https://www.hoseseek.com/hoses/hose_d8c29809815ae3a3c59cbe33/
HoseSeek currently shows: part number: 4454670; diagram pipe number: 21; installation route: Bucket cylinder; hose specification: DN32;6SP-20;34.5MPa; finished length in millimetres: 2700; left fitting: Heavy-series flange; right fitting: Heavy-series flange.

Verify, where applicable:
1. Exact machine model and any serial-number range.
2. Hydraulic system and installation route.
3. Hose part number and diagram pipe number.
4. Finished length, hose specification, and pressure rating.
5. Both end fittings, including thread, sealing seat, size, and angle.
6. Installation-diagram position and routing.

State explicitly what you could not verify. Do not infer a missing dimension or fitting. End with a short on-machine checklist for a hose repair technician.

For reference only. Confirm the actual hose before fabrication.

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