Hydraulic line repair data

Caterpillar CAT®318E L Grease Lines Hose List

Coverage details

Hoses: 7 records
Full specifications: 7 records
Systems: 1 systems
Length range: 650–2,970 mm

Current system

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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. 5

252-3030

Installation route: Right boom-cylinder grease lineOriginal Chinese: 右大臂油缸黄油管

Length: 2,250 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

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Diagram Pipe No. 5

294-3851

Installation route: 大臂油缸黄油管

Length: 1,340 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

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Diagram Pipe No. 6

364-4992

Installation route: 分节油缸黄油管

Length: 650 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

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Diagram Pipe No. 4

7Y-2920

Installation route: 铲斗油缸黄油管

Length: 1,100 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

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Diagram Pipe No. 2

141-3538

Installation route: Arm-cylinder grease lineOriginal Chinese: 小臂油缸黄油管

Length: 2,970 mm
Specification: DN6;1SN-04;22.5MPa
Left fitting: 英制内螺纹60°内锥
Right fitting: 英制锥形外螺纹

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Diagram Pipe No. 4

216-6682

Installation route: Left boom-cylinder grease lineOriginal Chinese: 左大臂油缸黄油管

Length: 2,350 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

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Diagram Pipe No. 5

251-2627

Installation route: Arm-cylinder grease lineOriginal Chinese: 小臂油缸黄油管

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

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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®318E L Grease Lines?

There are 7 published records. 7 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Caterpillar CAT®318E L Grease Lines?

Based on published records with valid lengths, the range is 650–2,970 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®318E L Grease Lines?

The most frequent raw specifications in the current published records are: DN6;-4;10.3Mpa (5 records), DN6;-4;19.2Mpa (1 records), DN6;1SN-04;22.5MPa (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®318E L Grease Lines?

Each record keeps the left and right fitting descriptions separate. Current examples: 252-3030: left 美制锥形外螺纹30°内锥; right 美制锥形外螺纹; 294-3851: left 美制锥形外螺纹30°内锥; right 美制锥形外螺纹; 364-4992: left 美制锥形外螺纹30°内锥; right 美制锥形外螺纹. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Caterpillar CAT®318E L Grease Lines hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 5 (252-3030), Pipe No. 5 (294-3851), Pipe No. 6 (364-4992), Pipe No. 4 (7Y-2920). Open a record to compare its installation position with the linked manual page.