Yes, you can claim the interest on your Fifth Wheel RV that is being used as your second home.
You can deduct the interest on your Fifth Wheel RV if you itemize your deductions on Schedule A.
If you take the standard deductions in place of itemizing your deductions you can not deduct the interest.
The 2019 standard deductions are $12,200 if you are single or use married filing separate status $24,400 if you are married filing a joint return and $18,350 if you file as head of household.
[Edited 03/09/2020 | 3:25 PM PDT]
