The No 21 dredger was built by Lubecker Maschinenbau Gesellschaft, Lubeck, Germany for the State Electricity Commission of Victoria. It is Heritage Listed and is located at the PowerWorks museum in Morwell, Victoria.
The dredger was ordered in 1950, and commenced operations October 1955. It is a bucket wheel excavator fitted with a slewable superstructure,
a bucket wheel with crowd (thrust), mounted on crawlers, and has a service weight of 725 tons.
It was used for excavating overburden and brown coal from the Morwell open cut mine until August 1992 when it was retired.
It was placed on display at the Powerworks Visitors Centre in 1995 and allows close inspection and easy viewing access by visitors.
It is the oldest surviving bucket wheel excavator in the Latrobe Valley, and the oldest in Australia.

PowerWorks Museum
Morwell, Victoria.