Create a new logo for our new business division

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This customer received 118 logo designs from 34 designers. They chose this logo design from BNdesigner as the winning design.
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I want to modify our current logo (01.png) that includes a new division to our business.
We are a mining contractor working underground.
Our new business division is digging/scaling tunnel walls underground with an excavator (machinery) and a drumcutter (attachment/tool)
I would like a drawing effect of the excavator with the drum cutter. and still see our current logo.
Our current logo represents a tunnel with a yellow dented wheel on top, which represents a part of the drum cutter.
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