Hydraulic line repair data

Caterpillar CAT®313D2 LGP Hose Repair Data

Coverage details
Hoses
26 records
Full specifications
26 records
Systems
9 systems
Length range
370–2,650 mm

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Showing 36 representative records. Return to the finder for a more specific search.

Diagram Pipe No. 3

178-5955

Installation route: 液压泵~液压油过滤器

Length
610 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
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 4

4I-5933

Installation route: 中转接头~分配阀下左

Length
1,600 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
View full repair specifications

Diagram Pipe No. 17

104-8973

Installation route: 中转接头~分配阀上左

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
View full repair specifications

Diagram Pipe No. 2

124-0838

Installation route: 铲斗油缸左(2.5M)

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
View full repair specifications

Diagram Pipe No. 13

7I-8252

Installation route: 行走踏板~分配阀

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
View full repair specifications

Diagram Pipe No. 4

269-9714

Installation route: 液压油箱~液压油过滤器

Length
420 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
View full repair specifications

Diagram Pipe No. 10

187-7173

Installation route: 大臂油缸

Length
780 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
View full repair specifications

Diagram Pipe No. 15

7Y-4199

Installation route: 中转接头~分配阀下右

Length
1,800 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
View full repair specifications

Diagram Pipe No. 2

203-7400

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
View full repair specifications

Diagram Pipe No. 41

307-4969

Installation route: 分配阀下左~过渡阀块(分配阀后下)

Length
380 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
View full repair specifications

Diagram Pipe No. 18

108-7360

Installation route: 中转接头~分配阀上左

Length
2,050 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
View full repair specifications

Diagram Pipe No. 31

199-1914

Installation route: 分配阀下左~过渡阀块(分配阀下)

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
View full repair specifications

Diagram Pipe No. 17

104-8973

Installation route: 回转马达~蓄能器电磁阀(液压泵后下)

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
View full repair specifications

Diagram Pipe No. 4

4I-5900

Installation route: 分配阀下右~减压阀(分配阀下)

Length
900 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
View full repair specifications

Diagram Pipe No. 16

4I-1037

Installation route: 中转接头~分配阀下右

Length
1,400 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
View full repair specifications

Diagram Pipe No. 3

4I-3988

Installation route: 行走踏板~分配阀

Length
2,250 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
View full repair specifications

Diagram Pipe No. 3

4I-3994

Installation route: 分配阀前左~蓄能器电磁阀(液压泵后下)

Length
2,300 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
View full repair specifications

Diagram Pipe No. 6

123-2636

Installation route: 大臂油缸

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
View full repair specifications

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
View full repair specifications

Diagram Pipe No. 5

248-9428

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length
2,000 mm
Specification
DN13;1SN-8;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
View full repair specifications

Diagram Pipe No. 4

187-5915

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length
2,400 mm
Specification
DN6;1SN-4;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
View full repair specifications

Diagram Pipe No. 16

104-8950

Installation route: 分配阀上右~减压阀(分配阀下)

Length
1,200 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
View full repair specifications

Diagram Pipe No. 2

123-2729

Installation route: 铲斗油缸左(3M)

Length
1,660 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
View full repair specifications

Diagram Pipe No. 4

121-8662

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

Length
2,650 mm
Specification
DN6;-4;10.3Mpa
Left fitting
美制锥形外螺纹
Right fitting
美制锥形外螺纹30°内锥
View full repair specifications

Diagram Pipe No. 7

203-7401

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

Length
2,100 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
View full repair specifications

Diagram Pipe No. 3

4I-3988

Installation route: 中转接头~分配阀上右

Length
2,250 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
View full repair specifications

Diagram Pipe No. 22

292-7424

Installation route: 右手柄~中转接头

Length
1,280 mm
Specification
DN10;1SN-6;10.4Mpa
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
View full repair specifications

Diagram Pipe No. 2

4I-1671

Installation route: 减压阀(分配阀下)~过渡阀块(分配阀下)

Length
370 mm
Specification
DN10;1SN-6;10.4Mpa
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
View full repair specifications

Diagram Pipe No. 29

187-5741

Installation route: 分配阀上左~过渡阀块(分配阀后下)

Length
890 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
45°美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 3

255-1929

Installation route: 液压油箱~液压油过滤器

Length
490 mm
Specification
DN13;1SN-8;10.4Mpa
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
View full repair specifications

Diagram Pipe No. 10

087-4402

Installation route: 左手柄~进回油阀

Length
480 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
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 9

248-9692

Installation route: 先导泵~液压油过滤器

Length
470 mm
Specification
DN13;-8;10.3Mpa
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
View full repair specifications

Diagram Pipe No. 7

392-1965

Installation route: 分配阀后右~铁管(液压油散热器)

Length
490 mm
Specification
DN32;1SN-20;4.3Mpa
Left fitting
Light-series flangeOriginal Chinese: 法兰-轻型
Right fitting
90° light-series flangeOriginal Chinese: 90°法兰-轻型
View full repair specifications

Diagram Pipe No. 15

087-5777

Installation route: 分配阀上右~分配阀下右

Length
1,600 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
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 5

245-5093

Installation route: 先导泵~吸油铁管

Length
425 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
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 1

319-9966

Installation route: 回转接头~分配阀前

Length
870 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
45°美制内螺纹平面密封
View full repair specifications

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®313D2 LGP?

The current published data covers 9 systems and 26 hose records. Systems with more listed records include: Control Lever (6 hoses), Control Valve (5 hoses), Boom Assembly (4 hoses), Grease Lines (4 hoses), Swivel Joint (2 hoses), Pedal (2 hoses).

What is the hose length range for Caterpillar CAT®313D2 LGP?

Based on published records with valid lengths, the range is 370–2,650 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®313D2 LGP?

The most frequent raw specifications in the current published records are: DN10;1SN-6;10.4Mpa (8 records), DN10;-6;10.3Mpa (6 records), DN16;6SH-10;42Mpa (4 records), DN6;-4;10.3Mpa (4 records), DN19;1SN-12;8.7Mpa (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®313D2 LGP?

Each record keeps the left and right fitting descriptions separate. Current examples: 178-5955: left American female thread, flat-face seal; right 90° elbow, American female thread, flat-face seal; 4I-5933: left American female thread, flat-face seal; right American female thread, flat-face seal; 104-8973: 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®313D2 LGP hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 3 (178-5955), Pipe No. 4 (4I-5933), Pipe No. 17 (104-8973), Pipe No. 2 (124-0838). 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®313D2 LGP 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-174-313d2-lgp--43415426233137343b3331334432204c4750/

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.
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