Man...$3000 to purchase a rig and fully equip it. I bet that doesn't even buy the comms gear or the lighting for a new rig now.
Ooh, a nice use of a Kettenkraftrad! That would be fun to use a Tamiya or Italieri 1/35th scale model to do up and scratchbuild the pump trailer to go with it.
Striking resemblance to the 153c.i.d. Chevy II 4-banger. No wonder. It's an Opel mill: http://www.feuerwehren-gersfeld.de/?page_id=406
Those creatures were often the reasons why fire trucks chalked up milage. Matches seemed to be the first and often most interesting books those creatures could understand.