Hydraulic line repair data

Caterpillar CAT®307-A Control Lever Hose List

Coverage details
Hoses
10 records
Full specifications
10 records
Systems
1 systems
Length range
970–1,950 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. 52

7I-0921

Installation route: 中转接头~分配阀下

Length
1,200 mm
Specification
DN6;-4;10.3Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 54

108-7228

Installation route: 中转接头~分配阀上

Length
1,850 mm
Specification
DN6;-4;10.3Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 55

108-7139

Installation route: 中转接头~分配阀下

Length
1,030 mm
Specification
DN6;-4;10.3Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 76

108-7291

Installation route: 中转接头~分配阀后

Length
1,500 mm
Specification
DN6;-4;10.3Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 57

108-7237

Installation route: 中转接头~分配阀上

Length
1,950 mm
Specification
DN6;-4;10.3Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 56

108-7234

Installation route: 中转接头~分配阀下

Length
1,400 mm
Specification
DN6;-4;10.3Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 21

108-7213

Installation route: 左手柄~进回油阀

Length
700 mm
Specification
DN6;-4;10.3Mpa
Left fitting
90°美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 25

108-7195

Installation route: 右手柄~进回油阀

Length
1,050 mm
Specification
DN6;-4;10.3Mpa
Left fitting
90°美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 53

7I-0942

Installation route: 中转接头~阀块(连接分配阀)

Length
1,000 mm
Specification
DN6;-4;10.3Mpa
Left fitting
90°美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
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®307-A Control Lever?

There are 10 published records. 10 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Caterpillar CAT®307-A Control Lever?

Based on published records with valid lengths, the range is 970–1,950 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®307-A Control Lever?

The most frequent raw specifications in the current published records are: DN6;-4;10.3Mpa (8 records), DN6;-4;19.2Mpa (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®307-A Control Lever?

Each record keeps the left and right fitting descriptions separate. Current examples: 108-7210: left 美制内螺纹37°锥; right 美制内螺纹37°锥; 7I-0921: left 美制内螺纹37°锥; right 美制内螺纹37°锥; 108-7228: left 美制内螺纹37°锥; right 美制内螺纹37°锥. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Caterpillar CAT®307-A Control Lever hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 26 (108-7210), Pipe No. 52 (7I-0921), Pipe No. 54 (108-7228), Pipe No. 55 (108-7139). Open a record to compare its installation position with the linked manual page.

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