Started building the PC1800 with a plywood profile the same way that I started the D11 and 777 build. I will be using the original tracks I had on the dozer but will need to add 10 more links and pads, keep in mind I'm not building a true scale model of the shovel but will try to keep it much the same as full scale.
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I have made some progress already with this build and will upload more pics and info in time.