After leaving Hartly, NSW, the Super Duty pulled our caravan up the short but steep mountain (6.75% gradient) to Lithgow without any problems, with more than sufficient power, even though I’d started loading it up. The Super Duty came standard with the steel tray, to which I added an Aussie Tonneaus Wildback canvas canopy incorporating ladder racks on which I mounted 2 x 250w solar panels. Under the canopy, I installed : I decided not to install the alternator charging kit and am still of two minds as to whether I’m going to, seeing that the Super Duty does have a trickle charge set up already, meant for the trailer/caravan…