The VHCX class was recoded from JCX_ in the 1979 recoding.
Thirty wagons were originally built as JCX and JCF_. These were numbered 101 - 130.
VHCX 131 - 135 are conversions from VHSY sand traffic hoppers of similar design.
The traffic was cement powder transport from the cement plant at Fyansford, near Geelong. Traffic included locations interstate.