I have heard a few claims about problems with the UFO chassis, but don't know if any truth in them. We have an '08 38J with the 8.1 W24, and no problems pulling our 2010 Ranger, so I'd think you will be OK. Hope some UFO owners will chime in here.
Maybe post another thread "UFO are you happy?"
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Happy Glamping, Norman & Elna. 2008 Winnebago Adventurer 38J, W24, dozens of small thirsty ponies. Retired after 40 years wrenching on trucks! 2010 Ford Ranger toad with bicycles or KLR 650 in the back.
Easy to spot an RVer, they always walk around with a screwdriver or wrench in one hand!