When I bought my boat it was sitting on a 10,500# galvanized roller trailer with drum brakes... everything I didn't want, so I sold it.
I wet slip mine so no trailer now, but if I bought one today it would be a 10,500# aluminum with bunks (including keel bunks), all stainless hardware, disc brakes on both axles (electric over hydraulic possibly), and all LED lighting with ground wires that run all the way back to the coupler plug (no chassis grounds).
Be very careful putting a 2520 on an 8,000# trailer. These boats are heavier than you think.