- Length
- 480 mm
- Specification
- DN10;1SN-6;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
Hydraulic line repair data
Caterpillar CAT®312D Supply and Return Valve Hose List
Coverage details
- Hoses
- 4 records
- Full specifications
- 4 records
- Systems
- 1 systems
- Length range
- 480–3,620 mm
Current system
Find a hose in this system
Use the number on the diagram, a part number, connection point, length, hose size, or fitting.
Hose repair details
Hose Length and Fitting List
- Length
- 550 mm
- Specification
- DN10;1SN-6;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
- Length
- 3,620 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
- Length
- 3,000 mm
- Specification
- DN13;1SN-8;10.4Mpa
- Left fitting
- 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°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
No hose in this list matches those words. Clear the box or search another machine.
Workshop guide
Finding the correct hydraulic hose for Caterpillar CAT®312D Supply and Return Valve
Start with the machine and route
For Caterpillar CAT®312D 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.
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
- 292-7555480 mm · DN10;1SN-6;10.4Mpa · 进回油阀~模式转换阀
- 207-6418550 mm · DN10;1SN-6;10.4Mpa · 进回油阀~模式转换阀
- 317-48463,620 mm · DN13;1SN-8;10.4Mpa · 进回油阀~蓄能器电磁阀(液压泵后下)
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.
Based on current published data
Common Repair Questions
Questions appear only when a published record or linked PDF page provides the answer.
How many hoses are currently listed for Caterpillar CAT®312D Supply and Return Valve?
What is the hose length range for Caterpillar CAT®312D Supply and Return Valve?
Which hose specifications are common for Caterpillar CAT®312D Supply and Return Valve?
How can I identify the left and right hose fittings for Caterpillar CAT®312D Supply and Return Valve?
Each record keeps the left and right fitting descriptions separate. Current examples: 292-7555: left American female thread, flat-face seal; right 90° elbow, American female thread, flat-face seal; 207-6418: left American female thread, flat-face seal; right 90° elbow, American female thread, flat-face seal; 317-4846: left American female thread, flat-face seal; right 90° elbow, American female thread, flat-face seal. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.
Can I locate a Caterpillar CAT®312D Supply and Return Valve hose by diagram pipe number?
Yes. Current examples with a diagram pipe number are: Pipe No. 12 (292-7555), Pipe No. 9 (207-6418), Pipe No. 60 (317-4846), Pipe No. 26 (129-5959). Open a record to compare its installation position with the linked manual page.