Hydraulic line repair data

Caterpillar CAT®314D LCR Hose Repair Data

Coverage details
Hoses
77 records
Full specifications
77 records
Systems
14 systems
Length range
280–4,300 mm

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Hose repair details

Hose Length and Fitting List

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

Diagram Pipe No. 32

319-9940

Installation route: 电磁阀(分配阀右下)~液压油箱

Length
2,050 mm
Specification
DN10;6SH-6;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. 5

290-9044

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

Length
1,550 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. 18

307-5000

Installation route: 中转接头~模式转换阀

Length
360 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
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. 2

124-0838

Installation route: 铲斗油缸左(规格2)

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. 4

342-4068

Installation route: 大臂(附加装置)~控制阀

Length
3,180 mm
Specification
DN13;2SN-8;27.5Mpa
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. 41

289-5709

Installation route: 电磁阀(分配阀右)~电磁阀(分配阀右下)

Length
340 mm
Specification
DN10;6SH-6;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. 1

4I-6391

Installation route: 电磁阀(行走踏板右)~模式转换阀

Length
650 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

286-6664

Installation route: 小臂油缸锁止阀

Length
4,300 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

223-8596

Installation route: 大臂摆动油缸锁止阀

Length
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. 2

108-9097

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

Length
1,520 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. 6

307-5103

Installation route: 右踏板~电磁阀(驾驶室)

Length
470 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

104-8976

Installation route: 分配阀下~

Length
1,900 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-6391

Installation route: 过渡接头(回转马达前)~

Length
650 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. 9

342-4042

Installation route: 大臂(附加装置)~过渡接头(分配阀左下)

Length
2,320 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
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 38

286-6815

Installation route: 电磁阀(分配阀左下)~电磁阀(分配阀右下)

Length
450 mm
Specification
DN10;6SH-6;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. 2

277-0917

Installation route: 小臂破碎器截止阀左

Length
1,900 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
View full repair specifications

Diagram Pipe No. 3

315-0921

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

Length
2,320 mm
Specification
DN6;-4;10.3Mpa
Left fitting
美制锥形外螺纹
Right fitting
美制锥形外螺纹
View full repair specifications

Diagram Pipe No. 2

302-2890

Installation route: 小臂油缸锁止阀

Length
2,070 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. 42

307-4966

Installation route: 电磁阀(行走踏板右)~模式转换阀

Length
280 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

419-0255

Installation route: 回转马达~回油铁管

Length
1,120 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. 8

288-7709

Installation route: 大臂(附加装置)~小臂(附加装置)

Length
1,850 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
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 12

5I-4076

Installation route: 中转接头~模式转换阀

Length
1,350 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

104-8950

Installation route: 电磁阀(驾驶室右)~模式转换阀

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. 1

221-4723

Installation route: 铲斗油缸(规格3)

Length
1,520 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. 5

179-7778

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

Length
1,900 mm
Specification
DN13;-8;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

121-8659

Installation route: 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. 16

087-5761

Installation route: 中转接头~模式转换阀

Length
1,250 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. 2

102-1279

Installation route: 小臂破碎器截止阀左

Length
1,730 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
View full repair specifications

Diagram Pipe No. 2

223-8595

Installation route: 大臂摆动油缸锁止阀

Length
400 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

282-5755

Installation route: 大臂(附加装置)~小臂(附加装置)

Length
1,650 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
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 2

302-9635

Installation route: 小臂油缸锁止阀

Length
2,200 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. 35

221-4807

Installation route: 回转马达~蓄能器电磁阀(分配阀右)

Length
1,750 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

166-3152

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

Length
2,430 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. 45

307-4979

Installation route: 电磁阀(行走踏板右前)~模式转换阀

Length
430 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

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®314D LCR?

The current published data covers 14 systems and 77 hose records. Systems with more listed records include: Grease Lines (13 hoses), Solenoid Valve (11 hoses), Attachments (10 hoses), Control Lever (9 hoses), Attachments – Lock Valve (8 hoses), Control Valve (6 hoses).

What is the hose length range for Caterpillar CAT®314D LCR?

Based on published records with valid lengths, the range is 280–4,300 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®314D LCR?

The most frequent raw specifications in the current published records are: DN10;1SN-6;10.4Mpa (20 records), DN10;-6;10.3Mpa (13 records), DN6;-4;10.3Mpa (11 records), DN10;6SH-6;42Mpa (6 records), DN13;4SP-8;28Mpa (5 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Caterpillar CAT®314D LCR?

Each record keeps the left and right fitting descriptions separate. Current examples: 319-9940: left American female thread, flat-face seal; right American female thread, flat-face seal; 290-9044: left 美制锥形外螺纹30°内锥; right 美制锥形外螺纹; 307-5000: 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®314D LCR hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 32 (319-9940), Pipe No. 5 (290-9044), Pipe No. 18 (307-5000), Pipe No. 2 (203-7400). Open a record to compare its installation position with the linked manual page.

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The question is already written for this machine or hose. Use a tool with web search enabled; treat its answer as a starting point and verify on the machine.

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I am checking hydraulic hose repair information for "Caterpillar CAT®314D LCR 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-174-314d-lcr--43415426233137343b33313444204c4352/

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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