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Amphibious Excavator Undercarriage

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Why Can We Always Ensure Excellent Quality

Quality Control

Raw Material Inspection

Steel – Hardenability test by end quenching (Jominy Test)

Heat Treatment & Standard

The effect and inspection standards of track pins, track bushings, and track shoes after undergoing YUTANI’s unique heat-treatment process.

Yutani technology development (Tianjin ) Inc

Finished Product Inspection & Report

In addition to Yutani’s own inspections before leaving the factory, customers and third-party organizations are also entrusted to inspect finished products to ensure stable track chain quality.

Sumitomo SH210-5 Chain Test Results After Use

Excavator Model: SUMITOMO SH210-5 Exchange Time: 327 hours

Usage Status: Sewerage Drilling work site Record Time: 861 hours

Part Measurement Point	Reference Value	Front/Back	Result
Track Link Height	106　+0.2　－0	106	OK
Track Bush O.D	58.72　±0.1	With Pattern (OK)	OK
Linking Growth	P=190　 Meaure with 5 links	951	OK

Yutani technology development (Tianjin ) Inc

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