If I had to guess, that Peterbilt is most likely a tandem drive with the closest axel to the cab being a lazy/lift axel. The reason I say this is because that's the most common configuration for these triple rear axel trucks in the U.S. Now ofcourse this is here in N.Z, so it may have been converted to a tri-drive configuration.

@@dallasfrost1996 Correct Ullenberg Haulage run a few Peterbilts with that pusher axle setup .

@@derrickwilkie5611 Thanks for the info. I've seen some of their other green Peterbilt's, however those were just standard tandem drive versions without the lift axel.

Just hand held but I do use a tripod at truck shows when convoys pass so I can photograph as well

We were there just after new years I grabbed the camera and sat up there for a couple of hours