Individual hose record

142-4845 Hose Repair Specifications

Excavator · Caterpillar · CAT®M312 · Boom Assembly

Finished length1,045 mm

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Installation diagram — Pipe No. 6

Locate Pipe No. 6 in the diagram, then confirm part number 142-4845 before removing the hose.

Caterpillar CAT®M312 installation diagram showing hydraulic hose 142-4845 at Pipe No. 6 — **Caterpillar CAT®M312**Part 142-4845 · Pipe No. 6Open full-size diagram

Repair specifications

Part number: 142-4845
Diagram pipe number: 6
Installation route: Arm cylinder — leftOriginal Chinese: 小臂油缸左
Hose specification: DN19;4SP-12;35Mpa
Finished length: 1,045 mm
Working pressure: 35 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: 1

Same system

Related Hoses

Diagram Pipe No. 8

145-4968

Installation route: 铲斗油缸~分流阀(小臂)

Length: 1,020 mm
Specification: DN19;4SP-12;35Mpa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 9

142-7439

Installation route: 分节油缸右(前段)

Length: 680 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 26

148-7094

Installation route: 大臂(中段)~大臂(后段)

Length: 5,000 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 23

150-7619

Installation route: 大臂左2(分节油缸规格)

Length: 4,920 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

View full repair specifications

Diagram Pipe No. 15

147-0014

Installation route: 大臂左1/左4(分节油缸规格)

Length: 3,950 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

View full repair specifications

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HoseSeek currently shows: part number: 142-4845; diagram pipe number: 6; installation route: Arm cylinder — left; hose specification: DN19;4SP-12;35Mpa; finished length in millimetres: 1045; left fitting: American female thread, flat-face seal; right fitting: American female thread, flat-face seal.

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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.

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