We bought a 2001 DP in 2011. It had 45 hours on genset. We have added 120 hours to it,and it has performed perfectly. That said, it doesn't hurt to run it for 20-30 minutes with some load on it several times a year if it is sitting.Starting the main ...
I agree, you can likely DIY. Just replaced air bags, shocks and 8 springs on HWH levelers on my KADP. Air tools are mandatory, unless you are an ox. I do my own tires as well. Count on being a little stiff after the experience. Of course I'm 76, mayb...