Going to call this one just about done, and start playing with it!  Got the last of the wiring bundled up and out of the way so the cab  would go on, and set up the radio. Just need a lot more practise to  train myself which lever does what in which direction.  Here is a video  of the first digging run, using a mortar mixing tub and some 'scale  gravel' (AKA kitty litter - NEW, assuming the shop elves didnt do  anything nasty in it).
https://youtu.be/oimbHLx2Kkk
And a couple photos of where it stands:
Elfric at the controls: