First introduced in 2007 for coal usage across the Hunter Valley. By 2023 over 1000 hoppers had been constructed and are used by various companies.

The 120T coal hoppers are in a 4 pack set, although the PN "Prototype" NHHH hopper was only built as a 2 pack before being converted to 'NHIH' Coding.

Included in this pack are the following operators, and classes of wagon:

PN - NHHH, NHIH, NHYH, NHEH

GWA - AHAH, PHEH, PHYH

ORA - AHAH, PHYH

Glencore - PHYH, PHEH

Xstrata - PHEH, PHYH

Whitehaven - PHWH