- Length
- 730 mm
- Specification
- DN6;-4;19.2Mpa
- Left fitting
- 美制锥形外螺纹30°内锥
- Right fitting
- 美制锥形外螺纹
Hydraulic line repair data
Caterpillar CAT®312E Hose Repair Data
Coverage details
- Hoses
- 55 records
- Full specifications
- 55 records
- Systems
- 13 systems
- Length range
- 280–6,260 mm
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Use a system name, the number on the diagram, a part number, connection point, length, hose size, or fitting.
Hose repair details
Hose Length and Fitting List
Showing 36 representative records. Return to the finder for a more specific search.
- Length
- 920 mm
- Specification
- DN25;1SN-16;7Mpa
- 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
- Length
- 1,550 mm
- Specification
- DN19;6SH-12;42Mpa
- 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
- Length
- 4,350 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
- American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
- Length
- 1,550 mm
- Specification
- DN6;-4;10.3Mpa
- Left fitting
- 美制锥形外螺纹30°内锥
- Right fitting
- 美制锥形外螺纹
- Length
- 1,300 mm
- Specification
- DN16;6SH-10;42Mpa
- 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
- Length
- 625 mm
- Specification
- DN6;-4;19.2Mpa
- Left fitting
- 美制锥形外螺纹30°内锥
- Right fitting
- 美制锥形外螺纹
- Length
- 2,160 mm
- Specification
- DN10;6SH-6;42Mpa
- 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
Diagram Pipe No. 3
121-8659
Installation route: Right boom-cylinder grease lineOriginal Chinese: 右大臂油缸黄油管
- Length
- 2,000 mm
- Specification
- DN6;-4;10.3Mpa
- Left fitting
- 美制锥形外螺纹30°内锥
- Right fitting
- 美制锥形外螺纹
- Length
- 2,000 mm
- Specification
- DN6;-4;10.3Mpa
- Left fitting
- 美制锥形外螺纹30°内锥
- Right fitting
- 美制锥形外螺纹
- Length
- 2,100 mm
- Specification
- DN10;-6;10.3Mpa
- 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
- Length
- 760 mm
- Specification
- DN16;6SH-10;42Mpa
- 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
- Length
- 500 mm
- Specification
- DN10;-6;10.3Mpa
- 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
- Length
- 1,900 mm
- Specification
- DN6;-4;10.3Mpa
- Left fitting
- 美制锥形外螺纹30°内锥
- Right fitting
- 美制锥形外螺纹30°内锥
- Length
- 2,530 mm
- Specification
- DN10;-6;10.3Mpa
- 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
- Length
- 1,024 mm
- Specification
- DN19;1SN-12;8.7Mpa
- 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
- Length
- 2,670 mm
- Specification
- DN10;-6;10.3Mpa
- 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
- Length
- 1,700 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
- American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
- Length
- 510 mm
- Specification
- DN25;1SN-16;7Mpa
- 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
- Length
- 920 mm
- Specification
- DN19;2SN-12;13.8Mpa
- 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
- 2,350 mm
- Specification
- DN10;-6;10.3Mpa
- 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
- Length
- 630 mm
- Specification
- DN10;-6;10.3Mpa
- 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
- Length
- 1,850 mm
- Specification
- DN13;4SP-8;28Mpa
- 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
- Length
- 1,900 mm
- Specification
- DN6;-4;10.3Mpa
- Left fitting
- 美制锥形外螺纹30°内锥
- Right fitting
- 美制锥形外螺纹
- Length
- 640 mm
- Specification
- DN25;1SN-16;7Mpa
- 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
- Length
- 2,950 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
- American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
- Length
- 920 mm
- Specification
- DN25;1SN-16;7Mpa
- 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
- Length
- 1,520 mm
- Specification
- DN6;-4;10.3Mpa
- Left fitting
- 美制锥形外螺纹30°内锥
- Right fitting
- 美制锥形外螺纹
- Length
- 1,860 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
- American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
- Length
- 280 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
- American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
- Length
- 1,250 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
- American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
- Length
- 850 mm
- Specification
- DN10;-6;10.3Mpa
- 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
- Length
- 1,400 mm
- Specification
- DN13;6SH-8;42Mpa
- 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
- Length
- 1,450 mm
- Specification
- DN13;4SP-8;28Mpa
- 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
- Length
- 2,500 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
- American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
- Length
- 4,918 mm
- Specification
- DN13;1SN-8;14Mpa
- 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
No hose in this list matches those words. Clear the box or search another machine.
Based on current published data
Common Repair Questions
Questions appear only when a published record or linked PDF page provides the answer.
Which systems and hoses are currently listed for Caterpillar CAT®312E?
The current published data covers 13 systems and 55 hose records. Systems with more listed records include: Grease Lines (11 hoses), Attachments – Breaker (7 hoses), Attachments (6 hoses), Attachments – Quick Coupler (6 hoses), Control Lever (5 hoses), Control Valve (4 hoses).
What is the hose length range for Caterpillar CAT®312E?
Which hose specifications are common for Caterpillar CAT®312E?
The most frequent raw specifications in the current published records are: DN10;-6;10.3Mpa (10 records), DN10;1SN-6;10.4Mpa (9 records), DN6;-4;10.3Mpa (9 records), DN19;6SH-12;42Mpa (4 records), DN25;1SN-16;7Mpa (4 records). Verify the specification together with length, pressure, and fitting details.
How can I identify the left and right hose fittings for Caterpillar CAT®312E?
Each record keeps the left and right fitting descriptions separate. Current examples: 101-2170: left 美制锥形外螺纹30°内锥; right 美制锥形外螺纹; 356-9242: left American female thread, flat-face seal; right American female thread, flat-face seal; 374-0129: left American female thread, flat-face seal; right 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®312E hose by diagram pipe number?
Yes. Current examples with a diagram pipe number are: Pipe No. 3 (101-2170), Pipe No. 10 (356-9242), Pipe No. 2 (374-0129), Pipe No. 5 (455-3506). Open a record to compare its installation position with the linked manual page.
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I am checking hydraulic hose repair information for "Caterpillar CAT®312E Hose Repair Data". 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/machines/caterpillar/cat-174-312e--43415426233137343b33313245/ 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.