The NSW TrainLink H sets, also referred to as the OSCAR (Outer Suburban CAR) trains, are a class of electric multiple units currently operated by NSW TrainLink. Built by UGL Rail in Broadmeadow, the H sets first entered service under the CityRail brand in December 2006, with the last in December 2012. Their introduction allowed for the retirement of some V set carriages (DCM and DCT). As long-distance trains, the H sets share a similar overall layout and design to the previous G sets. Currently operating as 55 four-carriage sets, the H sets now operate between Sydney and Newcastle and between Sydney and the South Coast.