Hydraulic line repair data

Caterpillar CAT®312D2 GC Control Valve Hose List

Coverage details

Hoses: 5 records
Full specifications: 5 records
Systems: 1 systems
Length range: 370–2,300 mm

Current system

Find a hose in this system

Use the number on the diagram, a part number, connection point, length, hose size, or fitting.

Pipe number, part number, route, length, or fittingSearch another machine

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 3

4I-3994

Installation route: 分配阀前~蓄能器电磁阀(液压泵旁左)

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. 31

199-1914

Installation route: 分配阀下~电磁阀(分配阀后下)

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. 16

104-8950

Installation route: 分配阀上~减压阀(分配阀右后)

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. 39

307-4969

Installation route: 分配阀下~过渡接头(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. 4

4I-5900

Installation route: 分配阀下~减压阀(分配阀右后)

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. 9

419-0619

Installation route: 分配阀右~回转马达(回油)

Length: 500 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: 45°美制内螺纹平面密封

View full repair specifications

Diagram Pipe No. 1

4I-0800

Installation route: 分配阀上~减压阀(分配阀右后)

Length: 1,300 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: 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. 18

108-7375

Installation route: 分配阀上~减压阀(分配阀右后)

Length: 1,800 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: 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. 14

087-5767

Installation route: 分配阀前~分配阀下

Length: 700 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. 13

5I-8853

Installation route: 分配阀上~蓄能器电磁阀(液压泵旁左)

Length: 2,750 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. 29

187-5741

Installation route: 分配阀上~减压阀(分配阀右后)

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. 34

218-1335

Installation route: 分配阀上~分配阀下

Length: 1,630 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. 30

503-3866

Installation route: 分配阀~电磁阀(液压泵旁右)

Length: 1,680 mm
Specification: DN10;6SH-6;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

View full repair specifications

Diagram Pipe No. 38

292-7523

Installation route: 分配阀下~减压阀(分配阀右后)

Length: 350 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. 29

503-3863

Installation route: 分配阀~电磁阀(液压泵旁右)

Length: 1,730 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: 45°美制内螺纹平面密封

View full repair specifications

Diagram Pipe No. 32

207-6418

Installation route: 分配阀~过渡接头(分配阀后下)

Length: 550 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. 35

257-3023

Installation route: 分配阀上~蓄能器电磁阀(液压泵旁左)

Length: 2,960 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. 11

437-0468

Installation route: 分配阀前~回转马达

Length: 790 mm
Specification: DN16;4SP-10;28Mpa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°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. 46

358-7523

Installation route: 分配阀上~减压阀(分配阀右后)

Length: 1,220 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. 19

296-6928

Installation route: 分配阀上~电磁阀(分配阀后)

Length: 490 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. 43

320-0007

Installation route: 分配阀上~蓄能器电磁阀(液压泵旁左)

Length: 2,870 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 sealOriginal Chinese: 美制内螺纹平面密封

View full repair specifications

Diagram Pipe No. 28

184-9420

Installation route: 分配阀上~分配阀上

Length: 320 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. 42

317-4846

Installation route: 分配阀~进回油阀

Length: 3,620 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: 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. 15

087-5777

Installation route: 分配阀上~分配阀下

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. 10

437-0465

Installation route: 分配阀前~回转马达

Length: 950 mm
Specification: DN16;4SP-10;28Mpa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°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. 47

363-2302

Installation route: 分配阀上~减压阀(分配阀右后)

Length: 1,120 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 sealOriginal Chinese: 美制内螺纹平面密封

View full repair specifications

Diagram Pipe No. 13

207-6418

Installation route: 分配阀下~

Length: 550 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

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®312D2 GC Control Valve?

There are 5 published records. 5 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Caterpillar CAT®312D2 GC Control Valve?

Based on published records with valid lengths, the range is 370–2,300 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®312D2 GC Control Valve?

The most frequent raw specifications in the current published records are: DN10;-6;10.3Mpa (3 records), DN10;1SN-6;10.4Mpa (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®312D2 GC Control Valve?

Each record keeps the left and right fitting descriptions separate. Current examples: 4I-3994: left American female thread, flat-face seal; right American female thread, flat-face seal; 199-1914: left American female thread, flat-face seal; right American female thread, flat-face seal; 104-8950: 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®312D2 GC Control Valve hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 3 (4I-3994), Pipe No. 31 (199-1914), Pipe No. 16 (104-8950), Pipe No. 39 (307-4969). Open a record to compare its installation position with the linked manual page.