Hydraulic line repair data

Caterpillar CAT®318D2 L Boom Assembly Hose List

Coverage details

Hoses: 3 records
Full specifications: 3 records
Systems: 1 systems
Length range: 690–1,200 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.

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 15

266-1210

Installation route: Arm cylinder — leftOriginal Chinese: 小臂油缸左

Length: 850 mm
Specification: DN25;6SH-16;42Mpa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: Heavy-series flangeOriginal Chinese: 法兰-重型

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Diagram Pipe No. 2

269-9577

Installation route: 大臂左3

Length: 1,200 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

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Diagram Pipe No. 5

184-9543

Installation route: 大臂油缸

Length: 690 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

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Diagram Pipe No. 6

260-8316

Installation route: Arm cylinder — rightOriginal Chinese: 小臂油缸右

Length: 840 mm
Specification: DN25;6SH-16;42Mpa
Left fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型
Right fitting: Heavy-series flangeOriginal Chinese: 法兰-重型

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Diagram Pipe No. 4

269-9589

Installation route: 大臂左1

Length: 1,190 mm
Specification: DN25;6SH-16;42Mpa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: 45°美制内螺纹平面密封

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Diagram Pipe No. 5

269-9593

Installation route: 大臂左2

Length: 1,130 mm
Specification: DN25;6SH-16;42Mpa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: 45°美制内螺纹平面密封

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Diagram Pipe No. 1

4I-8785

Installation route: Bucket cylinderOriginal Chinese: 铲斗油缸

Length: 1,400 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: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型

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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®318D2 L Boom Assembly?

There are 3 published records. 3 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Caterpillar CAT®318D2 L Boom Assembly?

Based on published records with valid lengths, the range is 690–1,200 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®318D2 L Boom Assembly?

The most frequent raw specifications in the current published records are: DN16;6SH-10;42Mpa (1 records), DN19;6SH-12;42Mpa (1 records), DN25;6SH-16;42Mpa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Caterpillar CAT®318D2 L Boom Assembly?

Each record keeps the left and right fitting descriptions separate. Current examples: 266-1210: left Heavy-series flange; right Heavy-series flange; 269-9577: left American female thread, flat-face seal; right American female thread, flat-face seal; 184-9543: 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®318D2 L Boom Assembly hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 15 (266-1210), Pipe No. 2 (269-9577), Pipe No. 5 (184-9543). Open a record to compare its installation position with the linked manual page.