Hydraulic line repair data

Caterpillar CAT®212 Attachments Hose List

Coverage details

Hoses: 11 records
Full specifications: 11 records
Systems: 1 systems
Length range: 350–6,148 mm

Current system

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 25

5W-8100

Installation route: 右支腿油缸~手动阀(连接回转接头)

Length: 397 mm
Specification: DN10;2SN-6;33Mpa
Left fitting: 公制内螺纹24°锥带O形圈-重型
Right fitting: 公制内螺纹24°锥带O形圈-重型

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Diagram Pipe No. 8

5W-4939

Installation route: 大臂(附加装置)~堵头

Length: 1,900 mm
Specification: DN16;6SH-10;42Mpa
Left fitting: 公制内螺纹24°锥带O形圈-重型
Right fitting: 公制内螺纹24°锥带O形圈-重型

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Diagram Pipe No. 2

5W-4887

Installation route: 过渡接头(推土铲)~推土铲油缸

Length: 800 mm
Specification: DN13;6SH-8;42Mpa
Left fitting: 公制内螺纹24°锥带O形圈-重型
Right fitting: 公制内螺纹24°锥带O形圈-重型

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Diagram Pipe No. 18

5W-8100

Installation route: 支腿油缸~手动阀(连接回转接头)

Length: 397 mm
Specification: DN10;2SN-6;33Mpa
Left fitting: 公制内螺纹24°锥带O形圈-重型
Right fitting: 公制内螺纹24°锥带O形圈-重型

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Diagram Pipe No. 1

5W-7138

Installation route: 大臂(附加装置)~小臂(附加装置)

Length: 6,148 mm
Specification: DN19;4SP-12;35Mpa
Left fitting: 公制内螺纹24°锥带O形圈-重型
Right fitting: 公制内螺纹24°锥带O形圈-重型

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Diagram Pipe No. 3

5W-6859

Installation route: 齿轮泵~过渡接头(连接制动踏板)

Length: 1,300 mm
Specification: DN6;2SN-4;40Mpa
Left fitting: 公制内螺纹24°锥带O形圈-重型
Right fitting: 公制内螺纹24°锥带O形圈-重型

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Diagram Pipe No. 11

5W-4888

Installation route: 方向盘~过渡接头(驾驶室)

Length: 350 mm
Specification: DN10;1SN-6;15.7Mpa
Left fitting: 公制内螺纹24°锥带O形圈-重型
Right fitting: 公制内螺纹24°锥带O形圈-重型

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Diagram Pipe No. 3

5W-4940

Installation route: 大臂(附加装置)~堵头

Length: 1,901 mm
Specification: DN13;6SH-8;42Mpa
Left fitting: 公制内螺纹24°锥带O形圈-重型
Right fitting: 公制内螺纹24°锥带O形圈-重型

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Diagram Pipe No. 7

5W-4941

Installation route: 变速箱~手动阀(液压油箱旁)

Length: 1,401 mm
Specification: DN6;2SN-4;40Mpa
Left fitting: 公制内螺纹24°锥带O形圈-重型
Right fitting: 公制内螺纹24°锥带O形圈-重型

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Diagram Pipe No. 7

5W-6847

Installation route: 大臂(附加装置)~小臂(附加装置)

Length: 1,200 mm
Specification: DN19;4SP-12;35Mpa
Left fitting: 公制内螺纹24°锥带O形圈-重型
Right fitting: 公制内螺纹24°锥带O形圈-重型

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Diagram Pipe No. 28

5W-8100

Installation route: 左支腿油缸~手动阀(连接回转接头)

Length: 397 mm
Specification: DN10;2SN-6;33Mpa
Left fitting: 公制内螺纹24°锥带O形圈-重型
Right fitting: 公制内螺纹24°锥带O形圈-重型

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Diagram Pipe No. 18

5W-4934

Installation route: 控制阀(液压油箱左)~过渡接头(大臂座销后)

Length: 1,380 mm
Specification: DN13;6SH-8;42Mpa
Left fitting: 公制内螺纹24°锥带O形圈-重型
Right fitting: 90°公制内螺纹24°锥带O形圈-重型

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Diagram Pipe No. 14

8U-7236

Installation route: 大臂(附加装置)~手动阀(小臂侧)

Length: 1,000 mm
Specification: DN19;4SP-12;35Mpa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型

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Diagram Pipe No. 5

8U-7237

Installation route: 大臂(附加装置)~堵头

Length: 900 mm
Specification: DN13;6SH-8;42Mpa
Left fitting: 公制内螺纹24°锥带O形圈-重型
Right fitting: 90°公制内螺纹24°锥带O形圈-重型

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Diagram Pipe No. 14

8U-7235

Installation route: 大臂(附加装置)~手动阀(小臂侧)

Length: 1,250 mm
Specification: DN19;4SP-12;35Mpa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型

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Diagram Pipe No. 3

8U-3935

Installation route: 过渡接头(右分配阀后)~检查阀(右分配阀前)

Length: 750 mm
Specification: DN13;6SH-8;42Mpa
Left fitting: 公制内螺纹24°锥带O形圈-重型
Right fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型

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Diagram Pipe No. 14

5W-6853

Installation route: 控制阀(液压油箱左)~过渡接头(大臂座销后)

Length: 1,134 mm
Specification: DN13;6SH-8;42Mpa
Left fitting: 公制内螺纹24°锥带O形圈-重型
Right fitting: 90°公制内螺纹24°锥带O形圈-重型

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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®212 Attachments?

There are 11 published records. 11 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Caterpillar CAT®212 Attachments?

Based on published records with valid lengths, the range is 350–6,148 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®212 Attachments?

The most frequent raw specifications in the current published records are: DN10;2SN-6;33Mpa (3 records), DN13;6SH-8;42Mpa (2 records), DN19;4SP-12;35Mpa (2 records), DN6;2SN-4;40Mpa (2 records), 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®212 Attachments?

Each record keeps the left and right fitting descriptions separate. Current examples: 5W-8100: left 公制内螺纹24°锥带O形圈-重型; right 公制内螺纹24°锥带O形圈-重型; 5W-4939: left 公制内螺纹24°锥带O形圈-重型; right 公制内螺纹24°锥带O形圈-重型; 5W-4887: left 公制内螺纹24°锥带O形圈-重型; right 公制内螺纹24°锥带O形圈-重型. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Caterpillar CAT®212 Attachments hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 25 (5W-8100), Pipe No. 8 (5W-4939), Pipe No. 2 (5W-4887), Pipe No. 18 (5W-8100). Open a record to compare its installation position with the linked manual page.