Hydraulic line repair data

Caterpillar CAT®312C Hose Length & Fitting Data

Caterpillar CAT®312C has published hose-length and fitting references plus independent handwritten part-number/length matches. Handwritten evidence is corroboration only; verify the route, both fittings, and every repair dimension before fabrication.

Published hoses
0 records
Complete repair data
0 records

Automatically matched corroboration

Independent handwritten source

Automatically matched handwritten observations and related source pages can help cross-check a model, part number, or length. Image-only pages indicate related material, not a confirmed manufacturing specification.

Published handwritten observations
SourceMatch basisObserved part numberObserved lengthConfidencePublication status
Handwritten field sheet 3 of 6Part number length exact176-45571,170 mmHighPublished
Handwritten field sheet 1 of 6Part number length exact187-7173780 mmHighPublished
Handwritten field sheet 3 of 6Part number length exact7Y-41932,500 mmHighPublished
Handwritten field sheet 4 of 6Part number length exact087-65832,530 mmHighPublished
Handwritten field sheet 3 of 6Part number length exact4I-07692,850 mmHighPublished
Handwritten field sheet 3 of 6Part number length exact176-45611,170 mmHighPublished
Handwritten field sheet 4 of 6Part number length exact4I-07723,550 mmHighPublished
Handwritten field sheet 1 of 6Part number length exact199-1689960 mmHighPublished
Handwritten field sheet 2 of 6Part number length exact128-9166540 mmHighPublished
Handwritten field sheet 1 of 6Part number length exact173-4739980 mmHighPublished
Handwritten field sheet 3 of 6Part number length exact176-45581,230 mmHighPublished
Handwritten field sheet 5 of 6Part number length exact087-4411450 mmHighPublished
Handwritten field sheet 5 of 6Part number length exact194-0325340 mmHighPublished
Handwritten field sheet 3 of 6Part number length exact176-45611,170 mmHighPublished
Handwritten field sheet 3 of 6Part number length exact4I-08001,300 mmHighPublished
Handwritten field sheet 1 of 6Part number length exact179-74611,200 mmHighPublished
View sanitized source page — Handwritten field sheet 3 of 6Sanitized handwritten source page
View sanitized source page — Handwritten field sheet 1 of 6Sanitized handwritten source page
View sanitized source page — Handwritten field sheet 4 of 6Sanitized handwritten source page
View sanitized source page — Handwritten field sheet 2 of 6Sanitized handwritten source page
View sanitized source page — Handwritten field sheet 5 of 6Sanitized handwritten source page
View sanitized source page — Handwritten field sheet 6 of 6Sanitized handwritten source page

Shareable individual records

Hose Length and Fitting List

Diagram Pipe No. 15

4I-0800

Installation route: 快速联轴阀~分配阀下

Length
1,300 mm
Specification
DN10;1SN-6;10.4Mpa
Left fitting
American female thread, flat-face sealChinese source: 美制内螺纹平面密封
Right fitting
90° elbow, American female thread, flat-face sealChinese source: 90°美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 93

087-4411

Installation route: 减压阀(分配阀下)~梭阀(分配阀下)

Length
450 mm
Specification
DN10;1SN-6;10.4Mpa
Left fitting
American female thread, flat-face sealChinese source: 美制内螺纹平面密封
Right fitting
90° elbow, American female thread, flat-face sealChinese source: 90°美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 25

194-0325

Installation route: 分配阀下~梭阀(分配阀下)

Length
340 mm
Specification
DN10;1SN-6;15.7Mpa
Left fitting
American female thread, flat-face sealChinese source: 美制内螺纹平面密封
Right fitting
American female thread, flat-face sealChinese source: 美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 27

087-6583

Installation route: 分配阀前~

Length
2,530 mm
Specification
DN10;-6;10.3Mpa
Left fitting
American female thread, flat-face sealChinese source: 美制内螺纹平面密封
Right fitting
American female thread, flat-face sealChinese source: 美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 29

4I-0769

Installation route: 行走踏板~分配阀

Length
2,850 mm
Specification
DN10;1SN-6;10.4Mpa
Left fitting
American female thread, flat-face sealChinese source: 美制内螺纹平面密封
Right fitting
American female thread, flat-face sealChinese source: 美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 42

128-9166

Installation route: 液压油箱~液压油过滤器

Length
540 mm
Specification
DN19;1SN-12;8.7Mpa
Left fitting
American female thread, flat-face sealChinese source: 美制内螺纹平面密封
Right fitting
American female thread, flat-face sealChinese source: 美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 9

199-1689

Installation route: 大臂左1/左2/左4

Length
960 mm
Specification
DN19;6SH-12;42Mpa
Left fitting
American female thread, flat-face sealChinese source: 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. 19

173-4739

Installation route: 液压油散热器~回油阀块(分配阀后)

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

Diagram Pipe No. 30

7Y-4193

Installation route: 行走踏板~分配阀

Length
2,500 mm
Specification
DN10;1SN-6;10.4Mpa
Left fitting
American female thread, flat-face sealChinese source: 美制内螺纹平面密封
Right fitting
American female thread, flat-face sealChinese source: 美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 6

187-7173

Installation route: 大臂油缸

Length
780 mm
Specification
DN16;6SH-10;42Mpa
Left fitting
American female thread, flat-face sealChinese source: 美制内螺纹平面密封
Right fitting
American female thread, flat-face sealChinese source: 美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 27

176-4561

Installation route: 右手柄~中转接头

Length
1,170 mm
Specification
DN10;-6;10.3Mpa
Left fitting
American female thread, flat-face sealChinese source: 美制内螺纹平面密封
Right fitting
80°美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 28

4I-0772

Installation route: 分配阀上~

Length
3,550 mm
Specification
DN10;1SN-6;10.4Mpa
Left fitting
American female thread, flat-face sealChinese source: 美制内螺纹平面密封
Right fitting
American female thread, flat-face sealChinese source: 美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 25

176-4558

Installation route: 右手柄~中转接头

Length
1,230 mm
Specification
DN10;-6;10.3Mpa
Left fitting
45°美制内螺纹平面密封
Right fitting
American female thread, flat-face sealChinese source: 美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 24

176-4557

Installation route: 中转接头~进回油阀

Length
1,170 mm
Specification
DN10;-6;10.3Mpa
Left fitting
65°美制内螺纹平面密封
Right fitting
American female thread, flat-face sealChinese source: 美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 6

179-7461

Installation route: 分配阀前~回转马达

Length
1,200 mm
Specification
DN16;4SP-10;28Mpa
Left fitting
American female thread, flat-face sealChinese source: 美制内螺纹平面密封
Right fitting
90° elbow, American female thread, flat-face sealChinese source: 90°美制内螺纹平面密封
View full repair specifications
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