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THE MODEL EVIDENCE FILE

QY50K5D_2

1 evidence record explicitly names this label.

In plain language: Use these records to prepare questions about a machine. A catalogue listing is not proof of stock or local approval. Price and finance records are dated references, not current offers.

This is the exact label stated in the evidence. No exact match was found in the supplied October 2026 model catalogue. A missing match does not establish that the model never existed or is unavailable. Specifications and related variants are not inferred. Evidence-record counts are not unique-document or independent-source counts.

China · Incident & operating records

通州市政垡头场站设备采购项目“4·29”一般生产安全事故调查报告

Read record, response & limits

Crane used in lift; external slings failed · Tongzhou District Government, Beijing · Event date: 2026-04-29

Official incident: external rigging and site controls

The report identifies product code QY50K5D_2 and vehicle code XZJ5411JQZ50K for one crane, with a passed inspection. A fatal load fall followed sling failure; findings concern unmarked slings, absent sharp-edge protection, signalling and workers beneath the load.

Outcome and response
Official investigation finding

Reading limits

The two codes describe one crane and must not become two defective-model counts. No crane manufacturing defect is found.

Original PDF identification, forensic discussion and direct causes

PDF pages 3, 7–10

Read source documentSource register · S115

All reviewed model evidence · Manufacturer catalogue