How deep can the excavators dig?

Question

How deep can the excavators dig?

Accepted Answer

The maximum digging depth varies from model to model:

Hitachi ZX48U-6 mini excavator: 3.63 m
Hitachi ZX170W-6 wheeled excavator: 5.83 m
Hitachi ZX210-6 crawler excavator: 6.67 m
Hitachi ZX250LC-7 crawler excavator: 6.96 m

Indicative recommendations:

house foundation without a basement (1–1.5 m) — the mini excavator is sufficient;
house with a basement (2.5–3.5 m) — the 19 t excavator;
tanks, deep pits, industrial building foundations or retaining walls — the 24–31 t crawler excavators.

The values given are the maximum depths from the manufacturer’s documentation, with the arm fully extended. In practice, for deep excavation the working radius, the slope of the excavation (pit walls are not dug vertically) and the location of spoil storage also matter. Full specifications are available on each machine page.

💡 It depends on the model: the ZX48U-6 mini excavator digs up to 3.63 m, the ZX170W-6 wheeled excavator up to 5.83 m, and the crawler excavators up to 6.67 m (ZX210-6) and 6.96 m (ZX250LC-7).

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How deep can the excavators dig?

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