Not sure about the kind of toy hauler you have, but you may be able to fit it next to the slide, if you've got 77" of width there. Keep in mind only the tires are 77" wide the body isn't:
2021 Speed UTV 4 Seater is 77″ wide by 161″ long, 74″ tall with 32″ fully inflated tires.
2021 Speed UTT...