This guide show a quick and easy path to reaching all the needed logs.
Obtaining Rarest Crane Operator II Achievement
Follow the green marked path in the following order (the pumpkins are just behind the starting area):
Section A: pickup small logs and attach trailer:
Section B: pickup medium logs and put them into trailer (easier to detach trailer to do so):
Section C: pickup small logs and medium log:
There is just enough fuel for completion with "All Wheels" on but only without any mistakes or backtracking.