The Silver City Comet was a train service that operated from September 1937 until November 1989 between Parkes and Broken Hill in western New South Wales.

Two "National" 22 kW (30 hp) diesel generator sets producing DC power for train lighting and air conditioning.

A Standard Waygood GM 120 volt, 50 kW (67 hp), generator set for power requirements including train lighting, cooking and air conditioning.

When the rolling stock was ordered, it was planned that they would be utilised on both the Parkes to Broken Hill and Dubbo to Bourke services.

In September 1937, the Silver City Comet commenced operating three times a week between Parkes and Broken Hill connecting with the Western Mail from Sydney.

This released some stock for transfer to Sydney to operate Federal City Express services to Canberra from October 1939 until November 1945.

[3] From January 1957, Silver City Comet stock operated a three times per week service from Parkes to Orange and Dubbo.

Following the introduction of the Central West XPT service to Dubbo, in April 1982 this was cut back to Orange, but was extended to start at Forbes.

The New South Wales Government Railways placed orders for five diesel power vans[4] with Eveleigh Carriage Workshops and 12 trailer cars with Ritchie Brothers, Auburn in the mid-1930s.

[6] In its twilight years, the Silver City Comet became a popular train for enthusiast tours including operating to Melbourne (Vic.)

[7][8] In September 1987, to celebrate the 50th anniversary of their entry into service, a set operated tours from Sydney to Canberra and Kiama.

All cars featured a full-length side skirt below the floor level, partially covering the bogies and underfloor equipment.