The Aust Army used jeeps for just about everything in the islands north of Australia later in ww2, so maybe not entirely relevant to your part of the world these Aust War Memorial photos may be of interest.
The jeep with lathe, I don't know the power source but they did mount big generators in jeeps using a PTO off the trans. case.
The 2nd photo is of a battery slave charger, note the big generator behind the front seats. Another photo shows two generators running of a pto.
If you search the AWM photo archive look for the following numbers as examples: 018106,078870,078871,079172,109659,112537, all jeep photos with LAD type stuff mounted.
I'll attach a couple.
regards Andrew B
Para trabajar con estilo!