I’m not a full timer, but we camp 80+ days a year atleast, and work from the road as often as we can. Our rig is 44feet and I’m pulling with my F450. I have plenty of truck to run 80, but I do not. I-95 is garbage and so my speed varies but is all about my comfort. I find driving to be zen time for me while my crew sleeps or works from the truck, so I am comfortable doing 600-800 miles a day. Comfort is the biggest factor for me on speed. Sure I would like to get to my destination in FL faster, see my kids, etc… however, I don’t want the stress of worrying about a situation that speed was the factor that caused an error or hurt someone .
when I’m pulling my 40 foot horse trailer I do go a little faster, it’s long but nearly as tall as my momentum 381. I am more comfortable going a little faster but does not mean I always do, the road quality and traffic again play a role here.
lastly… I had to go from NC to flagstaff AZ last may to help my son move his wife and life back from Camp Pendleton to OH. They need a car taken and “stuff”. I pulled my 24foot ATC car hauler there and back in 5 days solo because I had a time constraint. So I ran about 75mph the whole way, burned a ton of diesel doing it, but never felt unsafe or worried. In the mountains I slowed down, and when it stormed of course.
bottom line, I pull a lot, have tons and tons of miles doing it, but have very different ways and speeds depending on the situation. As stated by others it is all about how you feel. I get passed plenty on the road and it’s so much less stressful for me to not worry about speed traps or can I save 5 min going just a little faster.
just sharing my journey and practices. Pulling at 60 if you are comfortable, keep doing it so you remain happy and safe and don’t create stress you don’t need

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happy pulling to all the the people on the forum!!!
I’m prepping for my Orlando pull in 5 days from now
best
jason