Hydraulic line repair data

Caterpillar CAT®318C Attachments – Quick Coupler Hose List

Coverage details

Hoses: 13 records
Full specifications: 13 records
Systems: 1 systems
Length range: 370–5,800 mm

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 13

194-4303

Installation route: 大臂前段(快换)~大臂后段(快换)

Length: 1,435 mm
Specification: DN6;2SN-4;40Mpa
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

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Diagram Pipe No. 14

173-3789

Installation route: 小臂(快换)~小臂接头(快换)

Length: 2,250 mm
Specification: DN6;2SN-4;40Mpa
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

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Diagram Pipe No. 12

188-6098

Installation route: 大臂前段快换管

Length: 2,160 mm
Specification: DN6;2SN-4;40Mpa
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

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Diagram Pipe No. 7

153-0283

Installation route: 大臂(快换)~小臂(快换)

Length: 5,800 mm
Specification: DN10;2SN-6;33Mpa
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

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Diagram Pipe No. 7

199-1914

Installation route: 控制阀(快换)~控制阀(快换)

Length: 370 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

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Diagram Pipe No. 1

211-7050

Installation route: 小臂(快换)~小臂接头(快换)

Length: 1,380 mm
Specification: DN6;2SN-4;40Mpa
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

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Diagram Pipe No. 6

239-5713

Installation route: 小臂接头(快换)~快换装置

Length: 5,700 mm
Specification: DN6;2SN-4;40Mpa
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

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Diagram Pipe No. 8

211-7046

Installation route: 小臂(快换)~小臂接头(快换)

Length: 700 mm
Specification: DN6;2SN-4;40Mpa
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

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Diagram Pipe No. 1

211-7042

Installation route: 小臂(快换)~小臂接头(快换)

Length: 1,000 mm
Specification: DN6;2SN-4;40Mpa
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

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Diagram Pipe No. 20

104-8777

Installation route: 快速联轴阀~分配阀下

Length: 2,030 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

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Diagram Pipe No. 12

236-2119

Installation route: 大臂快换(前段)~大臂快换(后段)

Length: 2,145 mm
Specification: DN10;2SN-6;33Mpa
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

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Diagram Pipe No. 13

236-2421

Installation route: 大臂快换(前段)~大臂快换(后段)

Length: 1,430 mm
Specification: DN10;2SN-6;33Mpa
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

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Diagram Pipe No. 30

262-1322

Installation route: 大臂(快换)~快换

Length: 1,000 mm
Specification: DN6;2SN-4;40Mpa
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

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Diagram Pipe No. 14

270-1242

Installation route: 快速联轴阀~液压泵

Length: 2,810 mm
Specification: DN10;6SH-6;42Mpa
Left fitting: 45°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

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Diagram Pipe No. 3

108-7372

Installation route: 大臂(快换)~快速联轴阀

Length: 2,950 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: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封

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Diagram Pipe No. 1

239-5716

Installation route: 大臂(快换)~小臂(快换)

Length: 950 mm
Specification: DN6;2SN-4;40Mpa
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

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Diagram Pipe No. 4

174-1726

Installation route: 快换装置管

Length: 915 mm
Specification: DN6;2SN-4;40Mpa
Left fitting: 45°美制内螺纹平面密封
Right fitting: 45°美制内螺纹平面密封

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Diagram Pipe No. 1

239-5728

Installation route: 大臂(快换)~小臂(快换)

Length: 1,070 mm
Specification: DN6;2SN-4;40Mpa
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

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Diagram Pipe No. 5

174-1725

Installation route: 快换装置管

Length: 915 mm
Specification: DN6;2SN-4;40Mpa
Left fitting: 45°美制内螺纹平面密封
Right fitting: 45°美制内螺纹平面密封

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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®318C Attachments – Quick Coupler?

There are 13 published records. 13 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Caterpillar CAT®318C Attachments – Quick Coupler?

Based on published records with valid lengths, the range is 370–5,800 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®318C Attachments – Quick Coupler?

The most frequent raw specifications in the current published records are: DN6;2SN-4;40Mpa (8 records), DN10;2SN-6;33Mpa (3 records), DN10;1SN-6;10.4Mpa (2 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Caterpillar CAT®318C Attachments – Quick Coupler?

Each record keeps the left and right fitting descriptions separate. Current examples: 194-4303: left American female thread, flat-face seal; right American female thread, flat-face seal; 173-3789: left American female thread, flat-face seal; right American female thread, flat-face seal; 188-6098: 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®318C Attachments – Quick Coupler hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 13 (194-4303), Pipe No. 14 (173-3789), Pipe No. 12 (188-6098), Pipe No. 7 (153-0283). Open a record to compare its installation position with the linked manual page.