Welcome to the forum.
Here is the Owner's Manual for that 460DA.
https://bbg1.my.salesforce.com/sfc/p/#E0000000Z21E/a/44000000PjJA/r0p1n0XVPuu1MdAiU48PCvIg5C9LXkgQywgvARiQqnk
On page 13 of 92 Item G references a swim platform capacity label defining 650 lbs / 295 kg maximum.
