I've pulled a couple yards of bark mulch behind our cars locally, up and down hills, many times. Other than the fact that the reverse gears are tall for backing up, it shouldn't be a problem to haul a Duc and some goodies long distance.
Although, I'd recommend a good trailer to do the business. I like our Habor Freight fold-up (the tiny wheel variety), but I wouldn't trust it to haul something out of the area.
If you're doing long hills, keep and eye on your water temp gauge if you have one. Maybe stop after the first hour to look things over (the car, trailer, and bike). Also, keep the speed reasonable. Small trailers get death wobbles just like motorcycles. It's one thing with a covered load of crap in the back, but an SC is something you don't want wagging around.
Have a good one.