You probably know US company Caterpillar or "Cat" as a maker of heavy-duty gear from bulldozers to work boots.

But it's also branched out into smartphones with its Cat S61, which overseas reviewers have rated the best "tough phone" around.

Could it live up to its billing?

The short answer: yes.

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The Herald put it through a series of rough-and-tumble tests including waterboarding, a drop from 1.8m on to concrete, and being run over by a Lime scooter - a clear-and-present danger for any gadget that falls out of your pocket in Auckland.

Then came the ultimate: being driven over