Hydraulic line repair data

Caterpillar CAT®312-A Grease Lines Hose List

Coverage details

Hoses: 3 records
Full specifications: 3 records
Systems: 1 systems
Length range: 730–2,650 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

087-5857

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

Length: 2,650 mm
Specification: DN6;-4;19.2Mpa
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

101-2170

Installation route: 小臂销黄油管

Length: 730 mm
Specification: DN6;-4;19.2Mpa
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. 4

7I-6898

Installation route: 大臂油缸黄油管

Length: 2,100 mm
Specification: DN6;-4;19.2Mpa
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

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®312-A Grease Lines?

There are 3 published records. 3 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Caterpillar CAT®312-A Grease Lines?

Based on published records with valid lengths, the range is 730–2,650 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®312-A Grease Lines?

The most frequent raw specifications in the current published records are: DN6;-4;19.2Mpa (3 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Caterpillar CAT®312-A Grease Lines?

Each record keeps the left and right fitting descriptions separate. Current examples: 087-5857: left 美制锥形外螺纹30°内锥; right 美制锥形外螺纹; 101-2170: left 美制锥形外螺纹30°内锥; right 美制锥形外螺纹; 7I-6898: left 美制锥形外螺纹30°内锥; right 美制锥形外螺纹. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Caterpillar CAT®312-A Grease Lines hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 3 (087-5857), Pipe No. 2 (101-2170), Pipe No. 4 (7I-6898). Open a record to compare its installation position with the linked manual page.