Bachmann ON30 2-4-4-2 mechanism, ON30 mogul boiler, Kitbash Brothers cab and cab base.
Steam dome moved and replaced with another mogul sand dome.
Stack from a 2-6-6-2.
Side tanks from the BVLC Backshop Shapeways store. https://www.shapeways.com/product/YEYUJPYJE/on30-2-4-4-2-2-6-6-2-side-tank-addition-kit?optionId=67218205&li=shops
It is a work in progress but I am very happy with it so far.
Steam dome moved and replaced with another mogul sand dome.
Stack from a 2-6-6-2.
Side tanks from the BVLC Backshop Shapeways store. https://www.shapeways.com/product/YEYUJPYJE/on30-2-4-4-2-2-6-6-2-side-tank-addition-kit?optionId=67218205&li=shops
It is a work in progress but I am very happy with it so far.