Hydraulic line repair data

Caterpillar CAT®M312 Control Valve Hose List

Coverage details
Hoses
1 records
Full specifications
1 records
Systems
1 systems
Length range
670–670 mm

Current system

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

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 15

177-2177

Installation route: 分配阀下左~回转马达

Length
670 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. 4

149-6247

Installation route: 分配阀下左~接头(分配阀下右)

Length
300 mm
Specification
DN10;1SN-6;15.7Mpa
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

142-4863

Installation route: 分配阀下左~回转马达

Length
500 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
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

144-4078

Installation route: 分配阀前左~过渡阀块(回油滤芯)

Length
1,400 mm
Specification
DN25;1SN-16;7Mpa
Left fitting
90° light-series flangeOriginal Chinese: 90°法兰-轻型
Right fitting
90° light-series flangeOriginal Chinese: 90°法兰-轻型
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Diagram Pipe No. 13

150-7618

Installation route: 分配阀前~过渡阀块(大臂油缸)

Length
2,220 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
45° heavy-series flangeOriginal Chinese: 45°法兰-重型
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Diagram Pipe No. 7

148-9487

Installation route: 分配阀前~过渡阀块(大臂油缸)

Length
2,380 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
45° heavy-series flangeOriginal Chinese: 45°法兰-重型
View full repair specifications

Diagram Pipe No. 1

5I-8858

Installation route: 分配阀前左~

Length
700 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
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.

How many hoses are currently listed for Caterpillar CAT®M312 Control Valve?

There are 1 published records. 1 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Caterpillar CAT®M312 Control Valve?

Based on published records with valid lengths, the range is 670 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®M312 Control Valve?

The most frequent raw specifications in the current published records are: DN10;1SN-6;15.7Mpa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Caterpillar CAT®M312 Control Valve?

Each record keeps the left and right fitting descriptions separate. Current examples: 177-2177: 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®M312 Control Valve hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 15 (177-2177). Open a record to compare its installation position with the linked manual page.

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