The 5020 class are a class of diesel locomotive built by UGL Rail, Chullora for Aurizon in 2010-2024.

In November 2010 ordered 25 Locomotives As 5020 class haul coal trains in the Hunter Valley.

They are a heavy haul variant of the UGL Rail C44aci, with C44aci models being a medium weight, power improved version of the heavy haul UGL-GE C40aci Aurizon 5000 class.

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