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The PX-520 ultra-large crawler excavator with mining bucket and heavy-duty undercarriage handles open-pit mine loading and stripping.
The PX-520 is an ultra-large crawler excavator built for high-production work in large open-pit mines, major quarries and heavy-duty earthwork and rockwork projects. With an operating class of 42–52 t and a mining bucket, the machine is engineered to support large mine loading and stripping operations with sustained availability. Its heavy-duty undercarriage and robust working structure deliver the stability and strength required for continuous, demanding duty.
The PX-520 is designed around a heavy-duty undercarriage and a rugged working structure that manage the forces of large-scale loading and stripping. The mining bucket handles overburden and blasted material efficiently, while the matched hydraulic system provides consistent performance in hard digging conditions. Components are selected for long service life in abrasive mining environments.
A diesel power configuration supplies the output and reliability required for continuous mine duty, with controls arranged for smooth, stable operation during truck loading and stripping cycles. Cooling, filtration and guarding packages are prepared for dusty sites, supporting long operating hours. The machine can be configured to match the specific production workflow of each operation.
| Parameter | Value |
|---|---|
| Model | PX-520 |
| Category | Large Crawler Excavators |
| Operating class | 42–52 t |
| Bucket capacity | Mining bucket |
| Power configuration | Diesel power |
| Key dimensions | Heavy-duty undercarriage |
| Working capability | Large mine loading and stripping operations |
| Applications | Large open-pit mines, quarries, heavy-duty earthwork/rockwork |
| Optional attachments | Subject to configuration |
| Standards & compliance | Subject to configuration |
The PX-520 is applied in large open-pit mines, major quarries and heavy earthwork and rockwork sites requiring high-capacity production equipment. It supports mine loading, stripping, overburden removal and mass excavation cycles with predictable performance. Machine configurations can be adapted to haul truck sizes, bench layouts and material conditions, helping operators maintain throughput as work phases change.
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The company is a provider of complete solutions for mine rail transportation dispatching systems and intelligent mine signal control and safety dispatching.
