Class XO and XOA wood chip hoppers
In 1976 a batch of thirty-three XO class hoppers was built for the controversial wood-chip traffic by COMENG. They were numbered 25301-25333. A second batch of eleven (25334-25344) followed from the same builder in 1980. All are still in traffic.
In more recent times the six XOs used on the woodchip trains to Albany have been converted by the addition of an extension to the top of the hopper. The first examples ran for a while as class XO (see 25342 below) but these wagons have been reclassified as XOA, one (XOA25339) without a repaint from the original yellow. The wagons converted are 25339 - 25344. They run in a block train with the two XGH class wagons.