Dubbo hosted more than 300 people from across Australia, New Zealand and Hong Kong for the Australasian Rescue Challenge.

Fire and Rescue NSW, the NSW State Emergency Service and the Australasian Road Rescue Organisation spent two years planning challenges for the teams to take part in, from victims crashed in sideways cars to someone who had cut themselves with an angle grinder.

But while the results are all scored and prizes are awarded, ARRO governance and compliance officer Tim Fox said the challenge was about more than that.

"The whole idea of the event is to get all of the teams to practice the best techniques for rescuing people from motor vehicle crashes. We share ideas and all of the teams watch each other in the events," he said.

"The whole thing is about learning and swapping ideas. It's about looking at what innovations teams have come up with. All of the good ideas then get spread around."

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Eighty vehicles were crushed for use during the three day challenge.

There were 21 teams taking part in the road rescues, trauma challenges and CPR event.

Mr Fox said traditionally, the strongest teams were from the west coast of Australia and New Zealand. Of the six NSW teams, only two have taken part in the challenge before.

All of the teams also get to spend three hours in workshops with experts from around the world.