Individual hose record

187-7173 Hose Repair Specifications

Excavator · Caterpillar · CAT®312D2 L · Boom Assembly

Finished length780 mm

Locate this hose

Installation diagram — Pipe No. 7

Locate Pipe No. 7 in the diagram, then confirm part number 187-7173 before removing the hose.

Caterpillar CAT®312D2 L installation diagram showing hydraulic hose 187-7173 at Pipe No. 7
Caterpillar CAT®312D2 LPart 187-7173 · Pipe No. 7Open full-size diagram

Repair specifications

Part number
187-7173
Diagram pipe number
7
Installation route
Boom cylinder — left 2 / left 3Original Chinese: 大臂油缸左2/左3
Hose specification
DN16;6SH-10;42Mpa
Finished length
780 mm
Working pressure
42 MPa
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
Quantity
2

Same system

Related Hoses

Diagram Pipe No. 1

4I-1095

Installation route: 小臂油缸

Length
775 mm
Specification
DN19;6SH-12;42Mpa
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. 2

123-2729

Installation route: 铲斗油缸左(3M)

Length
1,660 mm
Specification
DN16;6SH-10;42Mpa
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. 2

124-0838

Installation route: 铲斗油缸左(2.5M)

Length
1,300 mm
Specification
DN16;6SH-10;42Mpa
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. 5

123-2636

Installation route: 大臂油缸左1/左4

Length
760 mm
Specification
DN16;6SH-10;42Mpa
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

Optional cross-check

Ask an AI search tool to check this repair data

The question is already written for this machine or hose. Use a tool with web search enabled; treat its answer as a starting point and verify on the machine.

See the exact question being sent
I am checking hydraulic hose repair information for "187-7173 Hose Repair Specifications". Use web search and cite a source for every factual point. Compare this HoseSeek page with manufacturer manuals and reliable parts documentation: https://www.hoseseek.com/hoses/hose_7a075e9284a0b3e60b54deb4/
HoseSeek currently shows: part number: 187-7173; diagram pipe number: 7; installation route: Boom cylinder — left 2 / left 3; hose specification: DN16;6SH-10;42Mpa; finished length in millimetres: 780; left fitting: American female thread, flat-face seal; right fitting: American female thread, flat-face seal.

Verify, where applicable:
1. Exact machine model and any serial-number range.
2. Hydraulic system and installation route.
3. Hose part number and diagram pipe number.
4. Finished length, hose specification, and pressure rating.
5. Both end fittings, including thread, sealing seat, size, and angle.
6. Installation-diagram position and routing.

State explicitly what you could not verify. Do not infer a missing dimension or fitting. End with a short on-machine checklist for a hose repair technician.

For reference only. Confirm the actual hose before fabrication.

Scroll to Top