Ruston Bucyrus RB10 excavator
Face Shovel boom for Ruston Bucyrus excavator
Gauge one (1/32)
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more info about Ruston Bucyrus here
https://en.wikipedia.org/wiki/Ruston-Bucyrus
more 3d printed models from Recreation21 here
http://www.rue-d-etropal.com/3D-printing/3d_printed_designs.htm
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