Hydraulic line repair data

Caterpillar CAT®317B LN Attachments Hose List

Coverage details

Hoses: 14 records
Full specifications: 14 records
Systems: 1 systems
Length range: 370–3,250 mm

Current system

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 16

6Y-3290

Installation route: 阀块(右大臂油缸下部座销旁)

Length: 1,800 mm
Specification: DN10;4SP-6;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

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Diagram Pipe No. 1

7I-7117

Installation route: 踏板~分配阀上

Length: 3,250 mm
Specification: DN10;-6;10.3Mpa
Left fitting: 美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 9

206-6301

Installation route: 过渡阀块(回转马达左)~过渡阀块(大臂右侧)

Length: 1,780 mm
Specification: DN10;1SN-6;15.7Mpa
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

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Diagram Pipe No. 2

172-5927

Installation route: 左小臂手动阀~

Length: 1,000 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: Heavy-series flangeOriginal Chinese: 法兰-重型

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Diagram Pipe No. 5

142-1113

Installation route: 先导阀~手动阀

Length: 370 mm
Specification: DN10;-6;10.3Mpa
Left fitting: 美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 9

205-9859

Installation route: 分流器阀(大臂上)

Length: 1,115 mm
Specification: DN19;4SP-12;35Mpa
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

206-6299

Installation route: 过渡阀块(回转马达左)~过渡阀块(大臂左侧)

Length: 1,225 mm
Specification: DN10;1SN-6;15.7Mpa
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

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Diagram Pipe No. 20

108-7602

Installation route: 过渡阀块(大臂座销下)~回油铁管

Length: 479 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

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Diagram Pipe No. 6

205-9859

Installation route: 大臂(附加装置)~过渡阀块

Length: 1,115 mm
Specification: DN19;4SP-12;35Mpa
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

172-5926

Installation route: 右小臂手动阀~

Length: 1,050 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: Heavy-series flangeOriginal Chinese: 法兰-重型

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Diagram Pipe No. 17

206-6297

Installation route: 分流器阀(大臂上)

Length: 1,135 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

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Diagram Pipe No. 9

4I-6233

Installation route: 左踏板~分配阀上

Length: 2,650 mm
Specification: DN10;-6;10.3Mpa
Left fitting: 美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 3

117-9097

Installation route: 大臂油缸~过渡阀块(大臂座销下)

Length: 628 mm
Specification: DN19;1SN-12;8.7Mpa
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

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Diagram Pipe No. 2

4I-6233

Installation route: 踏板~分配阀上

Length: 2,650 mm
Specification: DN10;-6;10.3Mpa
Left fitting: 美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 18

206-8952

Installation route: 大臂(前段)~大臂(后段)

Length: 1,310 mm
Specification: DN25;6SH-16;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. 15

206-6295

Installation route: 分流器阀(大臂上)~过渡阀块(大臂上)

Length: 1,165 mm
Specification: DN25;4SP-16;35Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 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. 16

206-6296

Installation route: 过渡阀块(大臂上)~

Length: 1,000 mm
Specification: DN19;4SP-12;35Mpa
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. 13

4I-7769

Installation route: 踏板~电磁阀(驾驶室)

Length: 700 mm
Specification: DN10;-6;10.3Mpa
Left fitting: 90°美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 8

142-1116

Installation route: 手动阀~三通接头

Length: 500 mm
Specification: DN10;-6;10.3Mpa
Left fitting: 美制内螺纹37°锥
Right fitting: 90°美制内螺纹37°锥

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Diagram Pipe No. 1

139-6001

Installation route: 大臂(附加装置)~小臂(附加装置)

Length: 1,100 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: 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. 13

102-1130

Installation route: 过渡阀块(大臂座销下)~单向阀总成

Length: 458 mm
Specification: DN16;1SN-10;10.5Mpa
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. 24

4I-7769

Installation route: 左踏板~进回油阀

Length: 700 mm
Specification: DN10;-6;10.3Mpa
Left fitting: 90°美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 6

5I-3103

Installation route: 左踏板~进回油阀

Length: 500 mm
Specification: DN10;-6;10.3Mpa
Left fitting: 90°美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 14

5I-3103

Installation route: 踏板~电磁阀(驾驶室)

Length: 500 mm
Specification: DN10;-6;10.3Mpa
Left fitting: 90°美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 4

4I-7675

Installation route: 左踏板~梭阀(驾驶室)

Length: 800 mm
Specification: DN10;-6;10.3Mpa
Left fitting: 90°美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 7

9W-3655

Installation route: 大臂(附加装置)~控制阀

Length: 1,480 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: 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. 43

151-0851

Installation route: 过渡阀块(液压油箱后)~铁管(回转马达右)

Length: 705 mm
Specification: DN25;1SN-16;7Mpa
Left fitting: Light-series flangeOriginal Chinese: 法兰-轻型
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. 14

206-6294

Installation route: 分流器阀(大臂上)~过渡阀块(大臂上)

Length: 1,145 mm
Specification: DN19;4SP-12;35Mpa
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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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®317B LN Attachments?

There are 14 published records. 14 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Caterpillar CAT®317B LN Attachments?

Based on published records with valid lengths, the range is 370–3,250 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®317B LN Attachments?

The most frequent raw specifications in the current published records are: DN10;-6;10.3Mpa (4 records), DN10;1SN-6;15.7Mpa (2 records), DN19;4SP-12;35Mpa (2 records), DN19;6SH-12;42Mpa (2 records), DN25;1SN-16;7Mpa (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®317B LN Attachments?

Each record keeps the left and right fitting descriptions separate. Current examples: 6Y-3290: left American female thread, flat-face seal; right American female thread, flat-face seal; 7I-7117: left 美制内螺纹37°锥; right 美制内螺纹37°锥; 206-6301: 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®317B LN Attachments hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 16 (6Y-3290), Pipe No. 1 (7I-7117), Pipe No. 9 (206-6301), Pipe No. 2 (172-5927). Open a record to compare its installation position with the linked manual page.