The trains were ordered by Transport for New South Wales (TFNSW) in December 2016.

The new trains will be progressively introduced into service, with the entire fleet due for delivery by early 2019, joining the existing Waratah fleet.

The Waratah Series 2 features air conditioning, more than 90 internal and external CCTV cameras and two customer help points per car, improved accessibility with priority seating, wheelchair spaces and hearing aid loops, customer information screens to provide journey and safety information and interior LED lighting.