[1] After entering service with the WAGR they were assigned to works as shunters on the jetty's and wharfs at Busselton, Bunbury and other ports.

[3] The second member of the class, Z1152, would be sold to the Hotham Valley Railway (HVR) and was used by them on work trains during the rehabilitation of the Dwellingup - Etmilyn section of track throughout 1985–86.

In June 2003 a request was made to the HVR by Works Infrastructure (E.D.I) to allow the for the use of Z1152 to assist in the construction of the new Urban Rail Car Depot at Nowergup on the new extension of the Northern Suburbs Railway and was transferred by road to Nowergup which was not connected by rail at time of movement.

[9] Furthermore, the class uses a mechanical transmission, with the power being transmitted to the six driving wheels via external coupling rods.

The class' maximum speed is 28 km/h (17 mph) and is capable of producing a tractive effort of 38.21 kN when starting.