As I began the track modules I found that they would be the same size as the one for the OrKV-2 grot tanks I'm building, so rather than double up on the work I modified the gun wagon chassis so those tracks would fit.
In the interest of maintaining my short attention span, I decided I need gunwagons. Now being a lazy git, I figured it would be easiest to build a master and cast up what wanted. This has the added benefit of be a product that I can offer later. Here's the progress so far:
I'm really hung up on building some stompy bits for my orks, so I figured a Dread Mob Army ought to scratch that itch. I want them to be more big TinBoyz than walking cans, so I took a DeffDread body and converted it up to be a master cast, detaching the hips so I can have more articulation: