Following our conversation yesterday, I was having a rummage around and found this:

Tamiya 1/35 US army maintenance set

We know where to get the oil drums and step ladders from, and I have a bunch of tool boxes from various 1/18 scale sets, so that just leaves the crane, the welding gear, the compressor and the table to do.

Made a start on the crane:

Crane

Test Prints to follow...