Individual hose record

194-0323 Hose Repair Specifications

Excavator · Caterpillar · CAT®312C L · Supply and Return Valve

Finished length3,550 mm

Repair specifications

Part number
194-0323
Diagram pipe number
33
Installation route
进回油阀~
Hose specification
DN13;1SN-8;10.4Mpa
Finished length
3,550 mm
Working pressure
10.4 MPa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
Quantity
1

Same system

Related Hoses

Diagram Pipe No. 6

129-5940

Installation route: 进回油阀~电磁阀(回转马达右)

Length
2,800 mm
Specification
DN13;1SN-8;10.4Mpa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
View full repair specifications

Workshop guide

Finding the correct hydraulic hose for Caterpillar CAT®312C L Supply and Return Valve

Start with the machine and route

For Caterpillar CAT®312C L Supply and Return Valve, identify the exact model and hydraulic system on the machine first. A part number or diagram pipe number is the fastest way to narrow a replacement hose; if neither is visible, compare the installation route and the existing hose.

See all Caterpillar CAT®312C L systems

Read the dimensions before cutting

Check whether a listed dimension is finished assembly length, hose-only length, or cut length. These are not interchangeable. Confirm hose specification and pressure rating, then compare both ends separately: thread, sealing seat, size, angle, and orientation.

Records to compare

  • 194-03233,550 mm · DN13;1SN-8;10.4Mpa · 进回油阀~

Use the drawing as a location check

Where an installation drawing or manual figure is available, match its callout to the part number and physical route. A hydraulic circuit diagram explains connections but does not show the exact routing of a hose on the machine. Take the old hose or clear end-fitting photographs to the workshop if any dimension is missing.

For reference only. Confirm the actual hose before fabrication.

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